1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
swat32
3 years ago
12

Chamber 1 and Chamber 2 have equal volumes of 1.0L and are assumed to be rigid containers. The chambers are connected by a valve

that is initially closed. Chamber 1 contains 2.00 moles of helium and Chamber 2 contains 1.00 mol of helium. Both chambers are at a temperature of 27°C.Part 3.When the valve is opened, what happens to the pressure in Chamber 1? Choose the best answer.
Chemistry
1 answer:
vitfil [10]3 years ago
5 0
1) At tne same temperature and with the same volume, initially the chamber 1 has the dobule of moles of gas  than the chamber 2, so the pressure in the chamber 1 ( call it p1) is the double of the pressure of chamber 2 (p2)

=> p1 = 2 p2

Which is easy to demonstrate using ideal gas equation:

p1 = nRT/V = 2.0 mol * RT / 1 liter

p2 = nRT/V = 1.0 mol * RT / 1 liter

=> p1 / p2 = 2.0 / 1.0 = 2 => p1 = 2 * p2

2) Assuming that when the valve is opened there is not change in temperature, there will be 1.00 + 2.00 moles of gas in a volumen of 2 liters.

So, the pressure in both chambers (which form one same vessel) is:

p = nRT/V = 3.0 mol * RT / 2liter

which compared to the initial pressure in chamber 1, p1, is:

p / p1 = (3/2) / 2 = 3/4 => p = (3/4)p1

So, the answer is that the pressure in the chamber 1 decreases to 3/4 its original pressure.

You can also see how the pressure in chamber 2 changes:

p / p2 = (3/2) / 1 = 3/2, which means that the pressure in the chamber 2 decreases to 3/2 of its original pressure.
You might be interested in
What happens when you add acetic acid vinegar and sodium bicarbonate baking soda nahco​
Sophie [7]

Explanation:

oh shi sorry I wish I could help but I'm stupid

8 0
2 years ago
During a tug of war competition neither team was able to gain an advantage which of the following explains the force is this sit
natulia [17]

Answer:

b i did the test

Explanation:

8 0
3 years ago
Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 15.4 u.
mixas84 [53]

Answer:

N, B, Be, C

Explanation:

N (Nitrogen) has 14.0067 B (Boron) has 10.81 Be (Beryllium) has 9 and C (Carbon) has 12

8 0
2 years ago
Everything in outer space including stars, planets, and galaxies
slega [8]

Answer:

Universe.

Explanation:

Biosphere is just a planet. Solar system contains planets and star. Galaxy holds multiple solar systems only. Universe hold everything, biospheres, solar systems, and galaxies. I hope this helps :D

5 0
3 years ago
Read 2 more answers
A spectrophotometer measures the transmittance or the absorbance, or both, of a particular wavelength of light after it has pass
Cerrena [4.2K]

Answer:Answer: The step that is NOT necessary to complete before a cuvette is placed into the spectrophotometer is option B (Write, in ink, either sample or blank on the side of the cuvette to keep track of them)

Explanation: spectrophotometer is an instrument used to measure the light intensity absorbed after being passed through a solution. Before the absorbance of the sample solution, a solvent solution called blank is used for the calibration of the machine and this blank solvent is placed in a cuvette. The procedure usually comes first before the main sample is processed. Therefore there is no need to

Write, in ink, either sample or blank on the side of the cuvette to keep track of them. This is so since sample and blank is not absorbed at the same time by the machine.

7 0
3 years ago
Read 2 more answers
Other questions:
  • How to tell which chair conformation is more stable?
    15·1 answer
  • A student was titrating the calcium and water solution and notice the formation of bubbles in the flask. which description would
    6·1 answer
  • What mass of magnesium would combine with exactly 16.0 grams of oxygen
    5·1 answer
  • What is the formula for CaCO3
    14·1 answer
  • How do you test pH levels in bottled water?
    7·1 answer
  • The temperature at which a liquid becomes a solid is the:
    12·2 answers
  • A neutral atom of sodium has 11 protons. Use this information explain the total number of electrons that are in sodium
    6·2 answers
  • how does the main function of the nervous system help the body react to internal and external stimuli??
    10·1 answer
  • Science: Number 3 plsss
    8·2 answers
  • PLS THIS IS DUE TODAY HELP ME LOOK AT THE PIC. like i beg you pls.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!