Nitrogen gas has a volume of 855 ml and a temperature erf 95 C. What is the new

Question

Nitrogen gas has a volume of 855 ml and a temperature erf 95 C. What is the new volume in Liters if the temperature is adjusted to 305 K. Show your calculation. An oxygen canister contains 225 ml of oxygen at 80.5 C. At what temperature in Kelvin will this oxygen expand to a volume of 0.75 Liters? Show your calculation. A weather balloon is filled with helium to a volume of 2.55 L at 855 mmHg. What is the volume of the balloon after it has been released and its pressure dropped to 0.645 aim? Show your calculation. A sample of carbon monoxide occupies 5.75 L at 0.8atm.Find its volume at 955 mmHg. Show your calculation.

Explanation / Answer

54 - 60 )

volume V1 = 855 mL = 0.855 L

temperature T1 = 95 C = 368.15 K

temperature T2 = 305 K

V1 / T1 = V2 / T2

0.855 / 368.15 = V2 / 305

V2 = 0.708 L

new volume = 0.708 L

61- 70)

volume V1 =225 mL = 0.225 L

temperature T1 = 80.5 C = 353.65 K

volume V2 = 0.75 L

temperature T2 = ??

V1 / T1 = V2 / T2

0.225 / 353.65 = 0.75 / T2

T2 = 1178.8 K

temperature = 1178.8 K

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