A gas has a volume of 5.00L at 0?C. What final temperature, in degrees Celsius,

Question

A gas has a volume of 5.00L at 0?C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if n and P do not change?

Part A
11.0L
Express your answer using two significant figures.

T1 = ______________ ?C

Part B
1500mL
Express your answer using two significant figures.

T2 = ____________?C

Part C
280L
Express your answer using two significant figures.

T3 = ___________?C

Part D
76.5mL
Express your answer using three significant figures.

T4 = __________ ?C

Explanation / Answer

We know:    PV = nRT

                       P V1/ nRT1 =     P V2 / nRT2

                      V1 / T1       = V2 / T2

                       T2 = 11.05 * 273/ 5.0

                           = 603.33 K   = 330.33 C

b)        T2 = 1.5*273 / 5.0   = -191.10 C

c)          T2 =    280 * 273 / 5.0 = 15015.00 C

d)             T2 = 0.0765*273 / 5.0    = -268.82 C

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