Law Relating Temperature and Pressure Resources « previous | 9 of 23 | next Part
ID: 696823 • Letter: L
Question
Law Relating Temperature and Pressure Resources « previous | 9 of 23 | next Part A A sample of a gas is in a sealed container. The pressure of the gas is 365 torr , and the temperature is 9 °C- If the temperature changes to 75 °C with no change in volume or amount of gas, what is the new pressure, P2, of the gas inside the container? Express your answer with the appropriate units Hints Submit My Answers Give Up Part B Using the same sample of gas (P 365 torr , T1 -9 °C), we wish to change the pressure to 3650 torr with no accompanyingg change in volume or amount of gas. What temperature T2, in Celsius, is needed to reach this pressure? Express your answer with the appropriate units Hints T> TIvitsExplanation / Answer
A)
we have:
P1 = 365 torr
T1 = 9.0 oC
= (9.0+273) K
= 282 K
T2 = 75.0 oC
= (75.0+273) K
= 348 K
we have below equation to be used:
P1/T1 = P2/T2
365 torr / 282.0 K = P2 / 348.0 K
P2 = 450. torr
Answer: 450. torr
B)
we have:
T1 = 9.0 oC
= (9.0+273) K
= 282 K
P1 = 365 torr
P2 = 3650 torr
we have below equation to be used:
P1/T1 = P2/T2
365.0 torr / 282.0 K = 3650.0 torr / T2
T2 = 2820 K
T2 = (2820 - 273) oC
T2 = 2547 oC
Answer: 2547 oC
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