Q4 test #3

A constant volume of oxygen is heated from 100 ⁰C to 185 ⁰C. The initial pressure is 4.1 atm. What is the final pressure?

• 5.034 atm.

• 3.34 atm.

• 7.59 atm.

• 41666.83 atm.

A sample of 25 L of NH₃ gas at 10^o C is heated at a constant pressure until it fills a volume of 50 L. What is the new temperature?

• 566^o C

• 566 K

• 141.5 K

• 566^o C

What is the final volume of 50 L of neon gas which is compressed from a pressure of 20 atm. to 10 atm. ?

• 25 L

• 4 L

• 100 L

• 100 K

If a gas in a closed container is pressurized from 25 atm. to 56 atm. and its original temperature was 45 ⁰C, what was the final temperature of the gas?

• 712.3 ⁰C

• 141.96 K

• 100.8 K

• 712.3 K

1 L of gas is collected at STP. What would the pressure (in atm.) be if it was allowed to expand till its volume increased to 2L?

• 2 atm.

• 0.5 atm.

• IDK atm.

• 1 atm.

Calculate the initial pressure in a scuba tank after it cools from 1500 K to 268 K. The final pressure was 45 atm.

• 251.87 K

• 143.32 atm.

• 8.04 atm.

• 251.87 atm.

A gas syringe contains 100 ml of a gas at 300 K. Determine the volume that the gas will occupy if the temperature is increased to 580.5 K ?

• 51.68 ml

• 193.5 ml

• 1741.5 ml

• 193.5 K

60,000 L of gas at standard pressure is compressed to a pressure of 0.003 atm. What is its new volume ?

• 20,000,000 L

• 180 L

• 600 L

• IDK big numbers

Calculate the initial temperature when 2 L of gas if it is compressed to 1 L with a final temperature of 40⁰ C.

• 626 K

• 156.5 K

• 626 ⁰C

• 156.5⁰C

A volume of 26.5 ml of nitrogen gas was collected in a tube at a pressure of 737 mmHg. The next day the volume of nitrogen was 27.1 ml. What was the pressure on the second day?

• 720.68 mmHg

• 753.69 mmHg

• 0.97 mmHg

• 720.68 K