When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?
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Answer:

Direct-air capture

Explanation:

To understand the technology I'm about to explain, I'll model it to something familiar. As you know, the process of  photosynthesis is where trees and plants use sunlight, water, and carbon dioxide to create energy for themselves, and release oxygen as a byproduct. Direct- air capture is exactly like this. Its pulls in air and then through a range of similiar chemical reactions, it extracts the carbon dioxide from it while returning the rest of the air to the surrounding environment. Except, the Direct-air capture does this at a much faster rate than nature does. The direct-air capture uses a ginormous fan that pulls air in which then passes over plastic surfaces that have potassium hydroxide solutions covered over them. The potassium hydroxide solution chemically binds with the carbon dioxide molecules, removing them from the air and trapping them in the liquid solution as a carbonate salt. The carbon dioxide is then contained where it is compressed and purified and then stored for later use.

Explanation:

H3PO4 is a weak acid so it partially dissociates in water

Ka1

H3PO4 (aq) + H2O(l) <----> H2PO4-(aq) + H3O+ (aq)

Ka2

H2PO4- (aq) + H2O(l) <----> HPO4 2- (aq) + H3O+ (aq)

Ka3

HPO4 2- (aq) + H2O(l) < ---> PO4 3- (aq) + H3O+ (aq)

Answer:

Tristan wraps some gifts and then brings them to the post office where they are delivered to people in different parts of the country. Which organelle is Tristan most like?

Answer: Tristan is most like the Golgi Body

Explanation:

Answer: The correct answer is black because the product of its side and mass is lower.

Explanation: The density of a substance is defined as the amount of matter that can be stored in a given volume.

Hence, the black cube will be denser because the product of its side and mass is lower.

Answer: it was wrong on my test

Explanation:

literally dont believe them

When the pressure of the equilibrium mixture of SO2, O2, and SO3 is doubled at constant temperature, the Kp is also doubled.

The equation of the reaction is given by; 2SO2 + O2 → 2SO3. The Kp of the reaction is obtained from;

Kp = pSO3^2/pSO2^2 . pO2

Since the Kp depends on the individual partial pressures of each of SO2, O2, and SO3 at equilibrium, if the pressure of the equilibrium mixture is doubled, the Kp is also doubled.

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Answer:

it gives an atom its charge

Answer:

Explanation:

I hope this helps

0.04 moles of iodide is required to precipitate all the lead II ions from  25.0 mL of a 1.6 M Pb(NO3)2 solution.

The reaction equation is;

2KI(aq) + Pb(NO3)2(aq) -------> PbI2(s) + 2KNO3(aq)

The net ionic equation is;

Pb^2+(aq) + 2I^-(aq) ------> PbI2(s)

Number of moles of Pb(NO3)2  = 25/1000 L ×  1.6 M = 0.04 moles

Number of moles of Pb^2+ = 0.04 moles /2 = 0.02 moles

Since 2 moles of iodide reacts with 1 mole of Pb^2+

x moles of iodide reacts with 0.02 moles of Pb^2+

x =  2 moles × 0.02 moles/ 1 mole

x = 0.04 moles of iodide

Hence,  0.04 moles of iodide is required to precipitate all the lead II ions from  25.0 mL of a 1.6 M Pb(NO3)2 solution.

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When the oil is added to the heated copper, the energy in the system is

conserved.

Reasons:

The question parameters are;

Temperature of the oil in the cup = 25.00°C

Final temperature of the oil and copper, T₂ = 27.33 °C

Specific heat of copper, c₂ = 0.387 J/(g·°C)

Specific heat capacity of oil, c₁ = 1.74 J/(g·°C)

Required:

The mass of oil in the cup.

Solution:

The mass of the copper, m₂ = 17.920 g

Temperature of copper after heating, T₂ = 65.17°C

Temperature of the copper after being placed in the cup of oil, T₂ = 27.33°C

Heat lost by copper = Heat gained by the oil

Therefore, we get;

17.920 × 0.387 × (65.17 - 27.33) = m₁ × 1.74 × (27.33 - 25)

262.4219136 = 4.0542·m₁

m₁ ≈ 64.73

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Possible part of the question obtained from a similar question online, are;

The mass of the copper, m₂ = 17.920 g

Temperature of copper after heating = 65.17°C

Explanation:

Carbon dioxide and water

I hope it helps

Answer:

The usual products of combustion reactions are carbon dioxide and water.

Explanation:

Combustion reaction is when a substance reacts with oxygen gas, resulting in a release of energy in the form of light and heat. Combustion reactions must have oxygen (O2) as one of the reactants.

This graph shows a straight line.

Answer:

The graph is a straight line that angles upward.

Answer:

if you drop a water balloon onto the ground, its kinetic energy is converted mostly to thermal energy. If the balloon weighs 1 kilogram and you drop it from about 2 meters, it will heat up by less.

Explanation:

As you say, kinetic energy of large objects can be converted into this thermal energy. For example, if you drop a water balloon onto the ground, its kinetic energy is converted mostly to thermal energy. If the balloon weighs 1 kilogram and you drop it from about 2 meters, it will heat up by less than.

Answer:

D . GOD BLESS .

Explanation:

The reducing agent in the reaction 2Li(s) + Fe(CH₃COO)₂(aq) → 2LiCH₃COO(aq) + Fe(s) is lithium (Li).

The general reaction is:

2Li(s) + Fe(CH₃COO)₂(aq) → 2LiCH₃COO(aq) + Fe(s)   (1)

We can write the above reaction in two reactions, one for oxidation and the other for reduction:

Li⁰(s) → Li⁺(aq) + e⁻   (2)

Fe²⁺(aq) + 2e⁻ → Fe⁰(s)    (3)

We can see that Li⁰ is oxidizing to Li⁺ (by losing one electron) in the lithium acetate (reaction 2) and that Fe²⁺ in iron(II) acetate is reducing to Fe⁰ (by gaining two electrons) (reaction 3).  

We must remember that the reducing agent is the one that will be oxidized by reducing another element and that the oxidizing agent is the one that will be reduced by oxidizing another species.

In reaction (1), the reducing agent is Li (it is oxidizing to Li⁺), and the oxidizing agent is Fe(CH₃COO)₂ (it is reducing to Fe⁰).  

Therefore, the reducing agent in reaction (1) is lithium (Li).  

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I hope it helps you!

Answer:

Aluminium reusable water bottle Purpose of aluminum: Weighs less by volume than most other metals and comes at an affordable price.

Explanation:

Answer:

10

Explanation:

Equation: d = m/v

100/10 = 10

Answer:

18.78%

Hence, the mass percent of lithium in lithium carbonate is 18.78%.

Explanation:

The percent by mass of carbon in this compound,  lithium carbonates  is

16.2%

The compound is lithium carbonates.

The molar mass of the compound will be calculated and the molar mass of carbon in the compound will also be calculated to find the percentage of carbon in it.

Molar mass of  Li₂CO₃ = (7 ×2) + 12 + 48 = 74 g

Molar mass of carbon in the compound = 12g

percentage mass of carbon = 12 / 74 × 100

percentage mass of carbon = 1200 / 74

percentage mass of carbon = 16.2162162162

percentage mass of carbon = 16.2 %

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Answer:

0.86

Explanation:

1mol of Zn has mass of 65.39g.The amount of Zn is 2.5g65.39g/mol=0.038mol.

The amount of H2 produced is the same as the amount of Zn consumed (0.038mol).

1mol of ideal gas will occupy 22.4L at STP.

The H2 will occupy 0.038mol×22.4L/mol=0.86L

.

Answer:

43.93642

Explanation:

Phosphorus P 30.973762 1 86.0061

Hydrogen H 1.00794 5 13.9939

I don't know physics, but I hope this helps :)

(I'm a seventh grader so don't judge if this is wrong please)

Answer:

Explanation:

The required volume can be found by using the formula for Boyle's law

[tex]V_2 = \frac{P_1V_1}{P_2} \\[/tex]

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

From the question we have

[tex]V_2 = \frac{6.5 \times 1.25}{1} = 6.5 \times 1.25 \\ = 8.125[/tex]

We have the final answer as

Hope this helps you

Answer:

Gypsum

Explanation:

Calcium sulphate, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, a white or colourless powder called gypsum.

Answer: yes it is correct

Explanation: the higher it is the cooler.

Answer:

468 g _______________________

The mass of 8 moles of sodium chloride is 468 grams. Therefore, option A is correct.

Molar mass, also known as molecular weight, is the mass of one mole of a substance. It is typically expressed in grams per mole (g/mol). Molar mass is calculated by summing the atomic masses of all the atoms in a molecule.

To calculate the mass of a substance, multiply the number of moles by the molar mass of the substance. The molar mass of sodium chloride (NaCl) is approximately 58.44 grams per mole.

The mass of 8 moles of sodium chloride:

Mass = Number of moles × Molar mass

Mass = 8 moles × 58.44 g/mol

Mass = 467.52 grams

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Answer:

chlorine

Explanation:

Answer:chlorine reacts with hydrogen peroxide

Explanation:

Answer:

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Answer:

In nature there are many different minerals we call "Salts". If you look very closely at the particles of table salt, you will find little cubic crystals. These salt crystals are made of sodium chloride (NaCl), and their cubic shape is due to a very specific arrangement of the atoms. As discussed earlier, all of the minerals classified as salts are held together through ionic bonds. The arrangement of atoms, the shapes of the crystals they form, and their mechanical, thermal, and electrical properties are all due to this special type of bonding

The two reasons why the model shows sodium chloride is that:

The other is that:

Note that a lot of Formula unit cannot exist as a single entity. Because of this, compound such as NaCl exist only as an aggregates of a more bigger number of ions that are oppositely charged .

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Answer:

D NO3 Nitrate is a nitrogen oxoanion formed by loss of a proton from nitric acid.