anyone wanna do my chem test for 500 points? my insta is niqsariot_1 hmu if your interested and for everyone else FREE 100 POINTS

Answers

Answer 1

Answer:

I would be if I do it your no learning anything but I would but I don't have insta yet

Explanation:

sorry

Answer 2

Answer:

k

Explanation:


Related Questions

URGENT HELP


Which of the following experimental plans will test the effects of pressure on a reaction with gases and what is
the expected result?
A Keep temperature constant and increase the pressure of the reaction; reaction rate will increase.
B Keep pressure constant and increase the temperature of the reaction; reaction rate will decrease.
C Keep temperature constant and decrease the pressure of the reaction; reaction rate will increase.
D Keep pressure constant and decrease the temperature of the reaction; reaction rate will increase.

Answers

Keep temperature constant and increase the pressure of the reaction; reaction rate will increase.

option A.

What is Boyle's law?

Boyle's law states that pressure of a given mass of a gas is directly proportional to its volume provided, temperature of the gas is kept constant.

Le Chatelier's Principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium.

So the experimental plans that will test the effects of pressure on a reaction with gases and its expected result is keep temperature constant and increase the pressure of the reaction; reaction rate will increase.

Thus, option A is the correct answer.

Learn more about pressure of reaction here: https://brainly.com/question/30917518

#SPJ1

If matter is left in the same environment ( no heat added), will it change states? explain.

Answers

If matter is left in the same environment  and no heat is  added,  it  will not change states.

Matter in chemistry, is defined as any kind of substance that has mass and occupies space that means it has volume .Matter is composed up of atoms which may or not be of same type.

Atoms are further made up of sub atomic particles which are the protons ,neutrons and the electrons .The matter can exist in various states such as solids, liquids and gases depending on the conditions of temperature and pressure.

The states of matter are inter convertible into each other by changing the parameters of temperature and pressure.

Learn more about matter,here:

https://brainly.com/question/9477180

#SPJ1

True or False Polyunsaturated fatty acids are precursors of other molecules.

Answers

Dietary fats include polyunsaturated fat. Along with monounsaturated fat, it is one of the good fats. Foods like salmon, vegetable oils, and other plant- and animal-based foods include polyunsaturated fat. They act as precursors of other molecules. The given statement is true.

Precursors of eicosanoids with hormone-like properties including prostaglandins, leukotrienes, and thromboxanes are polyunsaturated fatty acids (PUFA).

Dihomo-linolenic acid (DGLA), arachidonic acid (AA), and eicosapentaenoic acid (EPA) are the three precursors that prostaglandins can be formed from. Depending on the precursor, series 1, 2, or 3 prostanoids is produced.

To know more about Polyunsaturated fatty acids, visit;

https://brainly.com/question/12409149

#SPJ1

3. The XIT Ranch is located in the
Panhandle ecoregion of Texas. After a
very cold winter, the vaqueros of the XIT
Ranch found that several new cracks had
opened in the landscape. What type of
weathering occurred at the XIT Ranch?
O
O
CLEAR ALL
frost wedging
ADD NOT
thigmotropism
oxidation
acid rain

Answers

The type of weathering that occurred at the XIT Ranch after a very cold winter causing new cracks in the landscape is frost wedging. From 1885 to 1912, the Texas Panhandle's XIT Ranch served as a cattle ranch.

The ranch was one of the largest in the world at the time, with an original area of ​​over 3 million acres. It was established as a joint venture between the state of Texas and Capital Syndicate, a group of Chicago-based businessmen. The ranch had a tremendous influence on the history of the American West, and Texas continues to be influenced by it today.

Therefore, the correct option is A.

Learn more about Ranch here:

https://brainly.com/question/30841932

#SPJ1

Your question is incomplete, most probably the complete question is:

The XIT Ranch is located in the Panhandle ecoregion of Texas. After a very cold winter, the vaqueros of the XIT Ranch found that several new cracks had opened in the landscape. What type of weathering occurred at the XIT Ranch?

frost wedgingthigmotropismoxidationacid rain

Changes in which measurement shift the equilibrium in the forward direction?
increase time
O increase concentration of products
increase concentration of reactants
O decrease pressure

Answers

Answer:

increase concentration of reactants

Explanation:

I took the test

Please if you know the answer put it thanks

Answers

The diagram shows a picture of a compound.

What is a compound?

A compound is a substance that is made up of two or more different elements that are chemically bonded together in a specific ratio.

This means that the elements are combined in a way that creates a new substance with different physical and chemical properties than the individual elements.

Compounds can be formed through a variety of chemical reactions, such as combining elements through a chemical bond or through a reaction between an acid and a base.

So for the given diagram, we can see that it represents two or more elements chemically combined.

Learn more about a compound here: https://brainly.com/question/29108029

#SPJ1

Please help for brainliest

Curious Carl's chemistry teacher asked him to make a sugar solution. Carl dissolved 400 grams of sucrose (C12H22O11 , molar mass 342.3mol) in 1.00 L of water.

If molarity = moles/liter, what is the molarity of Carl's sugar solution?

Question 31 options:

1.2 M


0.86 M


0.40 M


1.0 M

Answers

Answer:

The molarity of Carl's sugar solution can be calculated using the formula:

Molarity = moles of solute / liters of solution

First, we need to determine the number of moles of sucrose in the solution. We can do this using the formula:

moles = mass / molar mass

The mass of sucrose is 400 grams, and the molar mass is 342.3 g/mol:

moles = 400 g / 342.3 g/mol

moles = 1.167 mol

Now we can calculate the molarity by dividing the moles by the liters of solution (which is 1.00 L):

Molarity = 1.167 mol / 1.00 L

Molarity = 1.2 M

Therefore, the molarity of Carl's sugar solution is 1.2 M. Answer: 1.2 M.

Explanation:

Compare and contrast the use of fossil fuels and wind energy. (1 point) Both fossil fuels and wind energy can be used to produce electricity. However, burning fossil fuels does not pollute the atmosphere, while using Earth's wind does. O Both fossil fuels and wind energy contribute negatively to climate change. However, mining for fossil fuels is much more damaging to the environment than using wind power. Both fossil fuels and wind energy can be used to produce electricity. However, wind energy does not pollute the atmosphere, while burning fossil fuels does. Both fossil fuels and wind energy contribute negatively to climate change. However, using Earth's wind for energy is much more damaging to the environment than using fossil fuels.​

Answers

Answer:

The Answer will be provided below, please pay attention in class next time so that you don't have to be in a hurry like you are in now.

Explanation: The correct option is:

Both fossil fuels and wind energy can be used to produce electricity. However, burning fossil fuels does pollute the atmosphere, while using Earth's wind does not. Both fossil fuels and wind energy contribute to climate change, but the use of fossil fuels is much more damaging to the environment than the use of wind power.

Fossil fuels are non-renewable sources of energy that are formed over millions of years by the decomposition of organic matter. They release harmful greenhouse gases when burned, contributing to climate change. In contrast, wind energy is a renewable source of energy that uses turbines to harvest the power of wind. Wind energy does not produce any emissions, making it an environmentally friendly alternative to fossil fuels. While wind turbines can have some impacts on wildlife and habitats, the impact is much less severe than the effects of fossil fuel extraction and burning.

Added Part: Fossil fuels are non-renewable sources of energy that are derived from the remains of plants and animals that died millions of years ago. These sources include coal, oil, and natural gas. Wind energy, on the other hand, is a renewable source of energy that is generated by the kinetic energy of wind.

Here are some comparisons between fossil fuels and wind energy:

Environmental Impact: Fossil fuels have a significant negative impact on the environment. Burning fossil fuels produces greenhouse gases that contribute to climate change. The extraction of fossil fuels also has negative impacts on the air, water, and soil. Wind energy, however, has a very small environmental footprint. Wind turbines do not produce any emissions and do not require any water to generate electricity.

Energy Availability: Fossil fuels are abundant and have been the primary source of energy for decades. On the other hand, wind energy is a relatively new source of energy and the technology is still developing. However, the availability of wind energy is significant, as wind is a renewable source that is constantly available.

Sustainability: Fossil fuels are non-renewable, which means they will eventually run out. As the demand for energy continues to increase, the availability of fossil fuels will decrease. Wind energy is a renewable source of energy that will never run out.

Here are some pros and cons of both fossil fuels and wind energy:

Fossil Fuels:

Pros:

Reliable source of energy

High energy density

Large global infrastructure

Cons:

Non-renewable source of energy

Significant environmental impact

Price instability

Wind Energy:

Pros:

Renewable source of energy

Small environmental footprint

Low operating costs

Cons:

High initial costs for building wind turbines

Wind is an inconsistent source of energy

Can create noise pollution for surrounding communities

what is the hardest part of the periodic table?

Answers

Answer:

carbon

Explanation:

I hope this helps :)

Answer:

carbon

Explanation:

YOU CAN MARK ME AS BRAINIEST IF YOU WANT

20/ The IUPAC name of (CH3)3 CCH₂COOH is:- A/ 3, 3-dimethyl butanoic acid B/ 3-methyl pentanoic acid C/ Hexanoic acid D/2, 3-dimethyl butanoic acid​

Answers

Answer:

I guess correct option is A.

What are the concentration of aluminium and sulfate in a 3.0M solution of aluminum sulfate

Answers

The concentration of aluminum in the solution is 6.0M, and the concentration of sulfate is 9.0M.

In a 3.0M solution of aluminum sulfate (Al2(SO4)3), the concentration of aluminum and sulfate can be determined by considering the stoichiometry of the compound.

From the chemical formula, we can see that one molecule of aluminum sulfate contains two aluminum ions (Al3+) and three sulfate ions (SO4^2-).

The concentration of aluminum can be calculated by multiplying the molarity of the solution by the number of moles of aluminum ions in one molecule of aluminum sulfate. The concentration of aluminum would be:

Concentration of aluminum = 2 x 3.0M = 6.0M

Therefore, the concentration of aluminum in the 3.0M solution of aluminum sulfate is 6.0M.

Similarly, the concentration of sulfate can be calculated by multiplying the molarity of the solution by the number of moles of sulfate ions in one molecule of aluminum sulfate. The concentration of sulfate would be:

Concentration of sulfate = 3 x 3.0M = 9.0M

Therefore, the concentration of sulfate in the 3.0M solution of aluminum sulfate is 9.0M.

In summary, the concentration of aluminum in the solution is 6.0M, and the concentration of sulfate is 9.0M.

for more questions on concentration

https://brainly.com/question/28564792

#SPJ11

The volume of a sample of gas is 2.00 L when the temperature is 111C. While
the pressure remains constant the temperature is changed to a new value
which causes the volume to become 3.00L What was the temperature changed
to?

Answers

Answer:

Explanation:

Charles Law

V1/T1 = V2/T2

T2= T1V2/V1  = 384.15 X 3/2=576.23K or 303.08 Celsius

WHAT IS THE PERCENT OF HYDROGEN IN CU(C2H3O2)2?
WITH SOLUTION

Answers

Answer:

Hydrogen H 3.330% Carbon C 26.450% Oxygen O 35.234%

Explanation:

even though the glass apparatus are broken, but we still use them in the laboratory why? explain by 3 points​

Answers

The majority of laboratory equipment is constructed of glass, since it is an easy-to-clean material and allows for good vision. The majority of the chemicals used in studies don't react with it.

The fact that glass equipment is transparent, which enables researchers to easily monitor the chemical reactions and physical changes occurring within, is one of its main advantages.

This is especially crucial in investigations when the reaction's color or appearance is crucial to comprehending the underlying chemistry. The majority of the chemicals used in studies don't react with it.

Learn more about laboratory, here:

https://brainly.com/question/27748008

#SPJ1

6 Give five is appliedays in which these heat transfer in our everyday life​

Answers

Heat transfer plays a crucial role in various aspects of our everyday lives. Here are five examples of how heat transfer occurs in our daily activities:

Cooking; Cooling; Central Heating; Ironing; Showering

Cooking: Heat is transferred from a stove or an oven to the cooking utensils and food. Conduction occurs when the heat is transferred through direct contact between the heat source and the cooking pan. Convection takes place when hot air circulates around the food, evenly cooking it. Radiation is also involved when heat is emitted by the heating elements and absorbed by the food.

Cooling: Heat transfer is essential in cooling processes, such as using refrigerators or air conditioning systems. In refrigeration, heat is transferred from the interior of the refrigerator to the outside environment through the process of convection and radiation. In air conditioning, heat is absorbed from the indoor air and released outside, again utilizing convection and radiation.

Central Heating: Many homes and buildings use central heating systems to warm up indoor spaces. Heat is produced by a furnace or boiler and then distributed through convection and radiation. Radiators or air vents release the heated air, raising the temperature in the rooms.

Ironing: Ironing clothes involves the transfer of heat to remove wrinkles. The iron's heating element conducts heat to the metal plate, which comes into direct contact with the fabric. Conduction transfers heat from the iron to the clothes, causing the fibers to relax and remove the wrinkles.

Showering: When taking a hot shower, heat transfer is involved in multiple ways. Firstly, conduction occurs as the hot water comes into contact with your skin, transferring heat. Secondly, convection takes place as the warm water surrounds your body, creating a warm sensation. Lastly, radiation occurs as the hot water radiates heat, making the shower enclosure feel warm.

These are just a few examples, but heat transfer is involved in numerous other activities, from using hairdryers to heating water for tea. Understanding heat transfer is crucial for designing efficient systems and ensuring our comfort and safety in everyday life.

For more question on Heat click on

https://brainly.com/question/30738335

#SPJ11

how do stars produce and release energy?

Answers

Answer:As hydrogen atoms collide to create helium, enormous quantities of energy are released, heating the gas. This process, known as nuclear fusion, is what causes stars to shine. The pull of gravity inward is resisted by the heated gas as it pushes outward.

Explanation:

Draw a pie chart to illustrate the relative proportions of protein, carbohydrates fats and fiber of this 100 g of cereal​

Answers

According to the information, we can infer that the pie chart shows 1/8 of its surface corresponding to protein and fat, 1/2 would be carbohydrates and 1/4 would be fibers.

How to draw a pie chart with the information from the nutritional table?

To draw a pie chart with the information from the nutritional table, we must take into account that the portions in grams are given with respect to a quantity of 100g of food. Therefore, if it says that it has 12.5g, it is equal to 12.5% of its content. Then we can infer that each grammage is equal to the percentage of that compound in the food.

Learn more about the pie chart in: https://brainly.com/question/1109099

#SPJ1

Calculate the pOH if the [OH-] concentration is 5.9 x 10_, M? Is the solution ACIDIC, BASIC, or NEUTRAL?

Answers

If the [OH-] concentration is 5.9 x 10^(-M), the pOH of the solution is approximately -4.77 and the solution is basic.

To calculate the pOH of a solution, we can use the formula:

pOH = -log[OH-]

Given that the [OH-] concentration is 5.9 x 10^(-M), we can substitute this value into the formula:

pOH = -log(5.9 x 10^(-M))

Calculating this expression, we find:

pOH = -log(5.9 x 10^(-M))

pOH ≈ -log(5.9) + (-log(10^(-M)))

Since log(10^(-M)) is equal to -M, the equation simplifies to:

pOH ≈ -log(5.9) - M

Now, we need the value of M (the exponent) to calculate the exact pOH value. It appears that the value of M is missing in the given information. However, assuming M is a positive value, we can continue the calculation.

If we consider M = 6, for instance, the equation becomes:

pOH ≈ -log(5.9) - 6

Now, we can evaluate the expression:

pOH ≈ 1.23 - 6

pOH ≈ -4.77

Therefore, if the [OH-] concentration is 5.9 x 10^(-M), the pOH of the solution is approximately -4.77.

To determine whether the solution is acidic, basic, or neutral, we can use the relationship between pH and pOH. The sum of the pH and pOH of a solution at 25°C is always equal to 14.

Since pOH = -4.77, the pH would be:

pH = 14 - pOH

pH ≈ 14 - (-4.77)

pH ≈ 18.77

A solution with a pH above 7 is considered basic. In this case, the calculated pH is greater than 7. Therefore, the solution is basic.

for more questions on pOH
https://brainly.com/question/1420583
#SPJ11

An isomer of C3H7O undergoes one step oxidation reaction. Answer the following questions due to this reaction.
a) Write a full symbol equation for this reaction.b) Name the proper reagent and catalyst for this reaction.c) Why do you think there is no need to remove the product from the reaction vessel?

Answers

Answer:

C3H7O + O2 → CO2 + H2O

Explanation:

a) The full symbol equation for the oxidation reaction of an isomer of C3H7O can be represented as:

C3H7O + O2 → CO2 + H2O

b) The proper reagent for this oxidation reaction is O2 (oxygen gas). The catalyst required for this reaction depends on the specific conditions. Common catalysts used for oxidation reactions include transition metals such as platinum (Pt), palladium (Pd), or copper (Cu).

c) There is no need to remove the product (CO2 and H2O) from the reaction vessel because they are typically in the gas or liquid phase and do not significantly interfere with the reaction. The product gases can be easily vented out of the vessel, while the liquid water can be left in the reaction mixture. Additionally, the product CO2 is a stable and inert gas, which does not pose any hazards in most cases. Therefore, it is often not necessary to remove the products after the reaction is complete.

What is the pH of a solution that has a [OH-] concentration equal to 1.36 × 10-10 M?
4.13
O 9.89
7.00
O 5.00

Answers

Answer:

Explanation:

pOH = -log1.36 X 10^-10 = 9.87

pH = 14-pOH = 14-8.97 = 5.03

11. The pH values of some solutions are given below pH 14.0 1.0 L 8.0 N 6.5 n P 7.0 Solution M Z (a) Identify the solution with the lowest concentration of hydrogen ion. Give reason for your (1mk) answer​

Answers

Answer: 14.0

Explanation: 14.0 is a base. The more basic, the less hydrogen ion concentration.

When the suns radiant energy for the Earth oceans, it causes water to change state by that rating which form of energy does water vapor have

Answers

Water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid.When the sun's radiant energy hits the Earth's oceans, it causes the water molecules to absorb this energy and become more energized.

This leads to the water molecules breaking apart and transforming into water vapor, which is a gaseous state of water. Water vapor has a specific form of energy known as latent heat. This is the energy required to change the physical state of water from a liquid to a gas or from a gas to a liquid. The process of converting water into water vapor requires energy, and this energy is stored in the water vapor in the form of latent heat.

The amount of latent heat absorbed or released by water vapor is dependent on the temperature and pressure conditions. When the water vapor condenses back into liquid form, this latent heat is released into the atmosphere. This process plays a critical role in weather and climate patterns as it drives the movement of heat and moisture throughout the Earth's atmosphere.

In summary, water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid. This energy plays a vital role in the Earth's weather patterns and is a critical component of the Earth's energy balance.

For more such questions on heat energy

https://brainly.com/question/934320

#SPJ11

A sample of argon has a volume of 1.20 L at STP. If the temperature is increased to 28.0 °C and the pressure is lowered to 0.800 atm, what will the new volume be, in L?

Answers

The new volume of the sample of argon, in L, will be 1.43 L.

At STP (Standard Temperature and Pressure), the temperature is 0 °C (273 K) and the pressure is 1 atm. Therefore, the initial conditions can be expressed as:

T1 = 273 K

P1 = 1 atm

V1 = 1.20 L

To find the new volume, we can use the combined gas law:

(P1V1) / T1 = (P2V2) / T2

We can rearrange this equation to solve for V2:

V2 = (P1V1T2) / (P2T1)

Substituting the given values, we get:

V2 = (1 atm x 1.20 L x 301 K) / (0.800 atm x 273 K)

V2 = 1.43 L

At a temperature of 28.0 °C and a pressure of 0.800 atm, the new volume of the argon sample is 1.43 L.

To know more about the Pressure, here

https://brainly.com/question/18698171

#SPJ1

What is the energy of light with a wavelength of 589 nm? (The speed of light
in a vacuum is 3.00 × 108 m/s, and Planck's constant is 6.626 × 10-34 J.s.)

Answers

The energy of light with a wavelength of 589 nm is approximately 3.36 × 10^(-19) Joules.

To calculate the energy of light, we can use the equation E = hc/λ, where E represents the energy, h is Planck's constant (6.626 × 10^(-34) J·s), c is the speed of light in a vacuum (3.00 × 10^8 m/s), and λ is the wavelength of light.

Given that the wavelength is 589 nm (which is equivalent to 589 × 10^(-9) m), we can substitute the values into the equation:

E = (6.626 × 10^(-34) J·s × 3.00 × 10^8 m/s) / (589 × 10^(-9) m)

Simplifying the equation, we get:

E = (1.9778 × 10^(-25) J·m) / (5.89 × 10^(-7) m)

Dividing these values, we find:

E ≈ 3.36 × 10^(-19) J

For more such questions on energy

https://brainly.com/question/30128198

#SPJ11

Which of the following compounds contain sterogenic centres (stereocentres)?

Answers

The compound that contains sterogenic centre is the 1,3,4-trichloropentane. That is option F.

What are sterogenic centres of a compound?

Sterogenic centers are found in compounds where a carbon atom share four bonds to the carbon atom with each to different elements or functional groups.

From the list of example given above, the carbon atom of which Ch the second chloride is attached to is sharing bonds with carbon, hydrogen, chloride and another carbon.

Learn more about atom here:

https://brainly.com/question/20994647

#SPJ1

3. 7.5 g of hydrochloric acid react with 6.5g of zinc to produce
hydrogen gas and zinc chloride. Write the equation below,
balance it, and then determine the grams of hydrogen gas
produced by each reactant,

Answers

0.4141 grams of hydrogen gas will be produced from the reaction.

The balanced chemical equation for the reaction between hydrochloric acid (HCl) and zinc (Zn) can be written as follows:

2 HCl + Zn → ZnCl2 + H2

To determine the grams of hydrogen gas produced by each reactant, we need to use the concept of stoichiometry. First, we calculate the number of moles of each reactant.

The molar mass of HCl is approximately 36.5 g/mol, and the molar mass of Zn is approximately 65.4 g/mol.

For hydrochloric acid (HCl):

Number of moles = Mass / Molar mass = 7.5 g / 36.5 g/mol = 0.205 moles

For zinc (Zn):

Number of moles = Mass / Molar mass = 6.5 g / 65.4 g/mol = 0.0993 moles

According to the balanced equation, the mole ratio between HCl and H2 is 2:1. Therefore, for 0.205 moles of HCl, the theoretical yield of H2 is 0.205 moles.

The molar mass of hydrogen gas (H2) is approximately 2.02 g/mol.

To determine the mass of hydrogen gas produced:

Mass of H2 = Number of moles of H2 × Molar mass of H2

          = 0.205 moles × 2.02 g/mol

          = 0.4141 g

Therefore, 0.4141 grams of hydrogen gas will be produced from the reaction.

for more questions on hydrogen
https://brainly.com/question/24433860
#SPJ8

Which type of mutation has no effect on protein function?

Answers

A silent mutation is a type of mutation that has no effect on protein function. This is because the mutation does not change the amino acid sequence of the protein.

What is silent mutations ?

Silent mutations can happen when a single base pair in the DNA is altered without changing the amino acid that the codon is meant to encode. For instance, a silent mutation could turn the initial G in the codon for the amino acid alanine from GCG to A, creating the codon GCA. The function of the protein is unaffected since the codon GCA still codes for the amino acid alanine.

The most frequent sort of mutation is a silent mutation, which can be brought on by a number of things, including mistakes in DNA replication, contact with environmental mutagens, and random chance. Silent mutations typically have no detrimental effects on the organism.

Learn more about silent mutations here : brainly.com/question/30280461

#SPJ1

Calculate the pH when 90.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 × 10⁻⁴).

Answers

The pH of the solution is 10.82.

To solve this problem, we need to determine the concentration of the hydronium ion ([tex]H_3O^+[/tex]) in the solution. This can be done using the following steps:

Write the balanced chemical equation for the reaction between HBr and CH₃NH₂.

HBr + CH₃NH₂ → CH₃NH₃⁺ + Br⁻

Write the expression for the base dissociation constant (Kb) for CH₃NH₂.

Kb = [CH₃NH₃⁺][OH⁻]/[CH₃NH₂]

Calculate the concentration of hydroxide ions (OH⁻) in the solution using the Kb value and the concentration of CH₃NH₂.

Kb = [CH₃NH₃⁺][OH⁻]/[CH₃NH₂]

4.4 × 10⁻⁴ = x² / (0.400 M)

x = 6.63 × 10⁻³ M

[OH⁻] = 6.63 × 10⁻³ M

Calculate the concentration of [tex]H_3O^+[/tex] using the equilibrium constant for the reaction between HBr and [tex]H_2O[/tex].

[tex]HBr + H_2O = H_3O^+ + Br^-[/tex]

[tex]Kw = [H_3O^+][OH^-] = 1.0 * 10^{-14}\\[H_3O^+] = Kw/[OH-] = 1.51 * 10^{-11}[/tex]

Calculate the pH using the concentration of [tex]H_3O^+[/tex].

[tex]pH = -log[H_3O^+]\\pH = -log(1.51 * 10^{-11})[/tex]

pH = 10.82

For more question on pH click on

https://brainly.com/question/172153

#SPJ11

Will y’all find this answer real quick for me !!

Answers

The mass (in grams) of sodium carbonate, Na₂CO₃ required to produce 85 grams of barium carbonate, BaCO₃ is 45.7 grams

How do i determine the mass of sodium carbonate, Na₂CO₃ required?

The mass of sodium carbonate, Na₂CO₃ required to produce 85 grams of barium carbonate, BaCO₃ can be obtained as follow:

Na₂CO₃ + BaSO₄ -> BaCO₃ + Na₂SO₄

Molar mass of BaCO₃ = 197 g/molMass of BaCO₃ from the balanced equation = 1 × 197 = 197 g Molar mass of Na₂CO₃ = 106 g/molMass of Na₂CO₃ from the balanced equation = 1 × 106 = 106 g

From the balanced equation above,

197 g of BaCO₃ were obtained from 106 g of Na₂CO₃

Therefore,

85 g of BaCO₃ will be obtain from = (85 × 106) / 197 = 45.7 g of Na₂CO₃

Thus, we can conclude that the mass of sodium carbonate, Na₂CO₃ required is 45.7 grams

Learn more about mass needed:

https://brainly.com/question/29263739

#SPJ1

The engineering process defines the steps engineers take to create
technology. Which of these describes these steps in the correct order?
A. Identifying a need, researching the background of that need,
making a plan to meet the need, doing the work, evaluating the
results, looking for improvements
B. Identifying a problem, making a solution, testing the solution,
mass production, making improvements
C. Identifying a problem, testing various solutions, researching side
effects of each solution, choosing a solution, looking to improve
the solution, planning how to test the solution
OD. Identifying a problem, brainstorming solutions, researching the
background of each solution, testing solutions, choosing a
solution, production, making future improvements

Answers

The steps in the engineering process in order is D. Identifying a problem, brainstorming solutions, researching the background of each solution, testing solutions, choosing a solution, production, making future improvements.

What are the steps of the engineering process ?

The initial step involves recognizing the predicament that requires resolution. One may achieve this through collaborating with fellow engineers, consulting customers, or conducting studies. After recognizing the issue at hand, the subsequent course of action involves generating ideas or solutions to address it. One way to achieve this is to generate a large number of ideas.

The subsequent phase necessitates the experimentation of potential answers. To achieve this, one must take into account both the outcomes of the assessments and the advantages and disadvantages associated with every proposed resolution. The subsequent action entails generating the resolution. One way to accomplish this is to create a prototype, while another is to manufacture the solution in large quantities. The last stage involves enhancing forthcoming developments.

Find out more on the engineering process at https://brainly.com/question/19369851

#SPJ1

Other Questions
What are the four career pathways that most closely align with FCCLA Find the measurement of V. Camila and her children went into a grocery tore and where they ell apple for $0. 50 each and mange for $0. 75 each. Camila ha $7. 75 to pend and mut buy no le than 11 apple and mango altogether. IfCamila decided to buy Rapple. Determine the maximum number of mango that he could buy. If there are no poible olution, hmit an empty amont Which of the following carry energy in the form of electrons or a terminal phosphate?Choose one or more:A. ATPB. ADPC. adenosine triphosphateD. adenosine diphosphateE. FADH2F. NADHG. NADPH two bodies of mass 8 kg and 4 kg move with velocities 11 meter per second and seven meter per second respectively if they Collide and stick together their speed after Collision is initially they move in opposite direction Use what you know about scientific notation to write the number - 8,000 with a power of 10.- 8,000 - 8,000 = 0 Look on page 160 under the section "Hitler's Third Reich"Select all the actions Hitler took in the early years of his leadership. (Four are correct,one is incorrect.)Select 4 correct answer(s)Hitler proclaimed himself fhrer and ignored the Treaty of Versailles.Hitler announced he would pay all reparations owed from WWI.Hitler withdrew Germany from the League of Nations.Hitler chose to rearm Germany and German factories started cranking outammunition.Hitler formed the Third Reich and formed an alliance with Japan and Italy knownas the Axis Powers. Using Table 11.4 as an example, create two alternative access plans. Use the following assumptions:a. There are 8,000 employees.b. There are 4,150 female employees.c. There are 370 employees in area code 615.d. There are 190 female employees in area code 615. What is the slope of Y 10x? Mrs. Wright is planning her best friend's baby shower. She calculates that the food will cost $9 per guest, and she has already spent $43 on decorations. Collect and write anotherhumorous poem of Edward Lear. x = 3xWhat is the solution to the equation above? PLEASE HELP ME1. The unit covers the meaning of similes and metaphors. Lissaint includes the use of similes and metaphors throughout his performance; please list and describe at least one simile and one metaphor Lissaint employs. 2. In the unit, we learned about a variety of poetic elements. Describe several poetic elements you witnessed in Lissaints performance based on what you learned about poetry from the unit. Which graph represents the equation y equals one half times x plus 2? graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1 graph of a line passing through the points negative 2 comma 0 and 0 comma 1 graph of a line passing through the points negative 2 comma negative 3 and 0 comma negative 2 graph of a line passing through the points negative 4 comma 0 and 0 comma 2 After World War I, war might be_________but it would never again be ___________ A zip code for eagar, Arizona is 85925. Which digit is in the "hundreds" place? The Grameen Bank of Bangladesh __________.A.is a vocational training site for women in the developed worldB.has been cited by the United Nations as being discriminatory against womenC.started the practice and concept of microloansD.provides loans to men in female-dominated societies Does air pressure increase or decrease as you go higher? I NEED HELP PLEASE I WILL GIVE BRAINLYIES There are 18 streetlights evenly spaced on a 1.5-mile road. How many streetlights would you expect on a 4-mile road in which are spaced out the same?