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A balloon has a volume of 1.5L at 25 C. If the volume changes to 1.8L, what must the new temperature be?
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A balloon has a volume of 1.5L at 25 C. If the volume changes to 1.8L, what must the new temperature be?

User Rpkelly
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1 Answer

13 votes
13 votes

Answer:

Step-by-step explanation:

If we assume the balloon to be a constant pressure device and the gas filling it to be ideal.

pV = nRT

p, n and R are all constants so

V is directly proportional to T (which must be in Kelvins)

1.8/1.5 = (T + 273)/(25 + 273)

T = 84.6

T = 85°C

User Dcolazin
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