A gas held at 288k has a pressure of 33 kPA. What is the pressure once the temperature decreases to 249k

Answers

Answer 1

The pressure of a gas decreases when the temperature decreases, according to the gas laws. In this case, a gas held at a temperature of 288K and a pressure of 33 kPa, experiences a decrease in temperature to 249K. What is the pressure of gas at the new temperature?

As per Gay-Lussac's law, which states that the pressure of a gas is directly proportional to its temperature (when volume is constant), the new pressure of the gas can be calculated by multiplying the initial pressure by the ratio of the new temperature to the initial temperature.

Using this formula, the pressure of the gas at the new temperature of 249K is calculated as follows:

New Pressure = (New Temperature / Initial Temperature) x Initial Pressure

New Pressure = (249K / 288K) x 33 kPa

New Pressure = 28.56 kPa (approximately)

Therefore, the pressure of the gas decreases from 33 kPa to 28.56 kPa when the temperature decreases from 288K to 249K, demonstrating the relationship between pressure and temperature governed by Gay-Lussac's law.

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Related Questions

1. X-linked (also called sex-linked traits) are inherited on the _____ chromosome.

Answers

Answer:

Genes on the X chromosome are said to be X-linked. X-linked genes have distinctive inheritance patterns because they are present in different numbers in females (XX) and males (XY). X-linked human genetic disorders are much more common in males than in females due to the X-linked inheritance pattern.

Explanation:

Which statements reflect the process of electrolysis? Check all that apply. Water is formed from ions of hydrogen and oxygen. The electrical reactions in a rechargeable battery can be reversed. The cathode becomes the electrode for reduction. The cathode takes on the metal deposits or layers. Decomposition of ores produces separated elements. Decomposition of ores produces low energy products.

Answers

Answer:

Decomposition of ores produces separated element.

Answer: it’s b, d, and e

Explanation: i just did it, hope this helps :)

What is the boiling point of water?
A. 0°C
B. 50°C
C. 70°C
D. 100°C

Answers

Answer:

D) 100*C

Explanation:

Answer:

A. 0°C

Explanation:

El agua se evapora a los 0 grados

6. What are formed from the chemical reaction of the substances given
below? Write the balanced chemical reaction as well.
a) when calcium carbonate and hydrochloric acid react with eachother

Answers

CaCO3(s) + 2HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)


10. Johnny pushed a wheel borrow that was 50kg, if the net force on the
wheel borrow is 15N east, what is the wheel borrows acceleration?

Answers

If you look at this question you can use the formula F/M= acceleration. The force over here is 15N and the mass is 50Kg. 15/50 is 0.3m/s^2. I hope that’s correct:)

Denise was driving east over a hill in the afternoon, shortly after a rain shower. Suddenly the sun broke through the clouds, and she saw a rainbow ahead of her. Which of the following made the rainbow possible?

Answers

Answer: A. Raindrops act like a prism and separate the white light in sunlight.

Explanation:

The reason for the formation of rainbow is option A. Raindrop acts like a prism and separate the white lite into different colors.

What is rainbow?

Rainbow is an arc of colors from a white light ray which can be formed by the separation of component colors from white light by the combination of reflection, and refraction.

White light absorbs all colors and reflect all of them. That is why a white object is seen white the mix of all colors. When the white light passes through a raindrop, it gets refracted, the refracted light then reflects from the drop and undergo one more refraction and that make the component colors  in the form a bent or arc.

Therefore, raindrop is acting like a prism to separate the white light into its component colors.  Hence, option A is correct.

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.

The water cycle describes the movement of water on Earth. Water in oceans and lakes evaporates and turns into water vapor. This water vapor condenses and forms clouds which produce precipitation. Precipitation falls all over the Earth's surface. The water eventually comes back to the oceans through run-off. Which steps in the water cycle carry water out of an ocean and into a freshwater lake?
A. Evaporation and precipitation
B. Rivers and streams
C. Underground tunnels
D. Condensation and run-off

Answers

Answer:

c. Underground tunnels

Explanation:

Yes, water below your feet is moving all the time, but, no, if you have heard there are rivers flowing below ground, that is not true. Water moves underground downward and sideways, in great quantities, due to gravity and pressure. Eventually it emerges back to the land surface, into rivers, and into the oceans to keep the water cycle going.

Note: This section of the Water Science School discusses the Earth's "natural" water cycle without human interference.

The steps in the water cycle that carries water out of the ocean into a freshwater lake are rivers and streams.

What is the water cycle?

The water cycle is used to describe the movement of water in the ecosystem. It involves the various processes through which water can move in the universe.

The steps in the water cycle that carries water out of the ocean into a freshwater lake are rivers and streams.

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The monkeys at the zoo swing wildly from branch to branch.

Answers

Answer:

epic

Explanation:

hakuna matata

Omg that’s so cool hehehehe

does liquid evaporate with adding heat or losing it

Answers

adding because evaporation speed is increased with increased temperature

What feature of the sun changes to create the solar cycle?
a
Brightness
Hydrogen gas
Nuclear fusion
Magnetic field

Answers

the magnetic field !

please help... will give brainiest

Answers

Answer:

The answer will be :

In year 1869

Russian scientist named Dmitri Mendeleev

Chart called Mendeeleves periodic table

increasing atomic masses

physical and chemical properties.

Hope this Helps

Best of luck !!

What are the elements in group two called

Answers

Answer: Alkaline-earth metal, any of the six chemical elements that comprise Group 2 (IIa) of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). Hopefully i helped

Explanation:

Answer: Alkaline-earth metal

Explanation:

PLS HELP *10 POINTS* I WILL GIVE BRAINLIEST

Answers

Answer:

Eurkaryote... sorry if i wrong

Explanation:

how many atoms of helium are required to equalise the
mass of a silver atom ?​

Answers

The atoms of helium are required to equalize the mass of a silver atom is 8.4 x 10 ⁻⁴⁸.

What are atoms?

Atoms are the minute particles that are present inside elements.

Atomic mass of silver is 107.86 g/mol

Mass of one atom of silver will be

[tex]\dfrac{ 107.86 }{6.022 \times 10^{-23}} = 1.79 \times 10^2^4[/tex]

Atomic mass of helium is 6.941

[tex]\dfrac{6.022 \times 10^{-23}}{4.0 \times 1.79 \times 10^2^4 } = 8.4 \times 10^{-48}[/tex]

Thus, the atoms of helium are required to equalize the mass of a silver atom is 8.4 x 10 ⁻⁴⁸.

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(b) in what way are carbon dioxide and orange juice similar?​

Answers

Answer:

The effects of supercritical CO2 (SC-CO2) on the microbiological, sensory (taste, odour, and colour), nutritional (vitamin C content), and physical (cloud, total acidity, pH, and °Brix) qualities of orange juice were studied. The CO2 treatment was performed in a 1 litre capacity double-walled reactor equipped with a magnetic stirring system. Freshly extracted orange juice was treated with supercritical CO2, pasteurised at 90°C, or left untreated. There were no significant differences in the sensory attributes and physical qualities between the CO2 treated juice and freshly extracted juice. The CO2 treated juice retained 88% of its vitamin C, while the pasteurised juice was notably different from the fresh juice and preserved only 57% of its vitamin C content. After 8 weeks of storage at 4°C, there was no microbial growth in the CO2 treated juice.


1. Which of the following seismic waves is detected first by the seismograph?
A L-waves B P-waves
CR-waves D.S-waves​

Answers

Answer:

AL- waves

Explanation:

because it is famousable

Oxygen has 8 positively charged protons what is the number of negatively charged electrons in an atom of oxygen?

Answers

Answer:

8 electrons (e-)

Explanation:

In the atom of every elements, there are three sub-atomic particles namely: protons, electrons, and neutrons. The protons are the positively charged particles, the electrons are negatively charged while the neutrons are neutrally charged.

In an uncharged or neutral atom i.e. charge 0, the number of protons is always equal to the number of electrons because they cancel each other out. When a difference occurs in the number of these particles, the atom becomes charged i.e. an ion. According to this question, oxygen atom (O) contains 8 positively charged protons, this means that it also contains 8 negatively charged electrons in its atom.

As stated in the article, “As Sticky as a Gecko . . . but Ten Times Stronger!,” the adhesive the researchers developed sticks best when it is pulled down parallel to the surface. What type of adhesion is this called?

The answer is Shear Adhesion, i just took the test on 21 edge.

Answers

Answer:

shear adhesion

Explanation:

edge

Shear adhesion sticks best when it is pulled down parallel to the surface.

What is shear adhesion?

Shear adhesion is defined as the ability  of tape due to which it resists the static forces which are applied in same plane as in backing.It is usually expressed in terms of time required  by a given weight for an amount of tape to become loose  from a vertical plane.

Molecular weight between two entanglements is the controlling factor of shear adhesion. Shear adhesion is affected by the following parameters which areas follows:

1)Tg of adhesive - Shear adhesion increases as Tg rises up to a certain temperature which is less than the room temperature.

2)  Tan delta  minimum value of adhesive- It is found that shear adhesion improves by an increase in tan delta minimum value.

3)Adhesive polarity- It is an important factor which affects adhesion  such as tack,peel and shear.Adhesion performances are improved by introducing polar ingredients in the formulation.

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What is the VSEPR shape of BHI2?

a.) bent
b.) trigonal planar
c.) trigonal pyramidal
d.) tetrahedral
e.) linear

Answers

Answer:

The answer is B

Explanation:

honestly do

which form of molecular motion do liquids experience?
A translation,rotational,& vibrational
B vibrational and rotational
C translational and rotational
D transitional only

Answers

i have no idea sorry

Answer:

I'm pretty sure that liquid moves by vibration

Explanation:

I asked my cousin

Given three (3.00) moles of gold (Au), how many grams do you have?

a. 66 g

b. 197 g

C. 591 g

d. 6.02 x 1023 g

Answers

One mol of any element is the elements atomic mass. So you would look on the periodic table to find the atomic mass of gold. Which is 197g. Knowing that that is one mol of gold you would multiply 197 by three to get three mols of gold. Which is 591g. So the answer is c. I hope this helps!!

300,000,000 m/s is the speed of ?

Answers

Answer:

671080887.616

Explanation:

What is the correct IUPAC name for CuNO₃?

Answers

Answer:

Copper(i) nitrate

Explanation:

That is the correct name.

Answer:

Molecular Formula

Explanation:

Where does photosynthesis occur in a plant cell? In what part of a plant cell does photosynthesis occur?

Answers

Explanation:

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.

Answer:

chloroplasts

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll

Explanation:

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.


5. A boat travels 325,000 meters in 800 seconds. What was its speed?

Answers

Answer:

406m/s

Explanation:

Speed = distance ÷ time

Answer:

406 m/s

Explanation:

Divide 325,000 meters by 800 and 800 seconds by 800 (because we are trying to find the speed in meters per second.

325,000÷800 = 406.25 meters

800÷800 = 1 second

≈ 406 m/s

AHHH I need help ASAP what does TAILS stand for in science??

Answers

T stands for title, A stands for axes, I stands for intervals, L stands for labels, S stands for stands.

20.What do carbon and silicon have in common?

a.They belong to the same column (family), therefore they have the same number of valence electrons.
b.They belong to the same column (family), therefore they have the same number of total electrons.
c.They belong to the same column (family), therefore they have the same number of energy levels.
d.They belong to the same column (family), therefore they have the samenumber of protons.

Answers

The carbon and silicon have in common that they belong to the same column (family), therefore they have the same number of total electrons. So, option B is correct.

What do carbon and silicon have in common?

Carbon's closest analogue is silicon. Silicon and carbon are both tetravalent atoms that primarily form covalent (non-ionic) compounds. However, aside from the fact that both elements "can form four covalent bonds," there is surprisingly little in common between them.

Carbon has an atomic number of 6 and an electronic configuration of 2, 4. Silicon has an atomic number of 14 and an electronic configuration of 2, 8, 4. Because both elements have the same number of valence electrons, they are classified as being in the same group.

Thus, option B is correct.

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What happens to potential energy as kinetic energy increases during a roller coaster ride?

Answers

Answer:

On a roller coaster, energy changes from potential to kinetic energy and back again many times over the course of a ride. Kinetic energy is energy that an object has as a result of its motion. Potential energy is the energy an object has as a result of its position

Explanation:

A thermochemical equation indicates the absorption or release of heat in addition to the reactants and products involved in the chemical reaction. The amount of energy available for conversion into heat is represented by a triangle H does this term stand for?

Answers

Answer:

A. Enthalpy of the reaction

Explanation:

A Thermochemical equation is a balanced stoichiometric chemical equation that indicates the absorption or release of heat in addition to the reactants and products involved in the chemical reaction. The amount of energy available for conversion into heat is represented by ΔH, a this term which stands for the enthalpy change, ΔH.

The Enthalpy of Reaction or Heat of Reaction is the amount of energy in the form of heat transferred during a chemical reaction that occurs at a constant pressure. It is useful for calculating the amount of energy per mole either released or produced in a reaction, therefore is unit is kJ/mol.

In a reaction where energy is absorbed by the reactants during the formation of products, ΔH is positive. On the other hand, in a reaction where energy is released by the reactants during the formation of products, ΔH is negative.

The enthalpy change, ΔH of reactions are determined experimentally under standard conditions of 1 atm and 25 °C (298.15K). Enthalpy can be measured experimentally through the use of a calorimeter. A calorimeter is an isolated system which has a constant pressure and in which heat loss to the surroundings is minimal.

Which of the following is true about the electron configuration of the noble gas

A. The highest occupied s and p orbitals are partially filled.

B. the highest occupied s and p orbitals are completely filled.

C. the electrons with the highest energy are in a f sub level

D. the electrons with the highest energy are in a d sublevel

Answers

Answer:

Noble gases have very stable electron configuration and does not need to gain electrons, only when they gain energy. 1) For example, krypton is a chemical element with symbol Kr and atomic number 36, which means it has 36 protons and 36 electrons.

Answer: I think it’s B, The highest occupied s and p sub levels are completely filled.

Explanation:

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This can be explained by the _________________, and that __________________ helps retrieval.Select one:a. by counting the "e"s; number of associations formed; spreading activationb. by rating pleasantness; modal model of memory; maintenance rehearsalc. by rating their pleasantness; number of associations formed; spreading activationd. by placing the words in a memory palace; theory of chunking; episodic associations "What would you consider the most rewarding experience of your career?"a) A question about your accomplishmentsb) A question to gauge your interestc) A question about your goals and future aspirationsd) Select the most appropriate answer to the following question. the key distinction between bulimia nervosa and binge eating disorder is that individuals with bulimia based on the above trends for the boiling point of p-block hydrides, what intermolecular interactions are primarily responsible for the increase in boiling points from ch4 to snh4? In-119 undergoes beta decay. 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