Answer all questions please: 1) Argon gas occupies a volume of 56.2 L at a pressure...

Answer all questions please:

1) Argon gas occupies a volume of 56.2 L at a pressure of 760 torr and temperature of 0 C. find the moles and determine the mass of Argon gas.

2- A gas mixture containing only Helium and Neon is 22.1% Neon (by volume) and has a total pressure of 748mmHg. What is the partial pressure of Neon and Helium?

________

3-Determine the volume occupied by 1.55g of N2 gas at STP.

__________

4-A sample of gas with initial volume of 55.2 ml, an initial temperature of 35.0 C, and an initial pressure of 735 mmHg. The volume is decreased to 48.8 ml and the temperature is increased to 72.5C, what is the final pressure?

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5-A mixture of Helium, Argon and Neon has a total pressure of 558mmHg. If the partial pressure of Helium is 341 mmHg and the partial pressure of Neon is 112 mmHg, what is the partial pressure of Argon?

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6- A balloon contains 0.128 mole gas and has a volume of 2.76 L. If n additional 0.081 mole of gas is added to the balloon, what is the final volume?

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7-State whether true or false:

a. Volume of gas is directly related to change in temperature.

b. The energy of movement possessed by gas molecules is heat energy.

c. As we climb a mountain to higher altitude, we experience a low pressure.

d. The liquid used in a barometer is molybdenum.

Solutions

Expert Solution

7 (a) True

(b) True

(d) False, it's mercury

queen_honey_blossom answered 1 year ago

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