A problem based on gas laws
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A balloon is filled with Helium gas at 20 degrees C and 1.0 atm of pressure. (1 atm = 1.01 x 10^5 Pa). After filling, the balloon's volume is 8.50 m^3. The helium is then heated until it reaches a final temperature of 55 degrees C. The balloon expands at a constant pressure during this process. What is the heat lost or gained by the helium?
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Solution Summary
An example on application of perfect gas equation, solved step by step.
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SOLUTION
Fundamentals in a nutshell
1. Every gas must follow the gas equation : PV = nRT ...(1)
Where : n = quantity in moles, P = Pressure, V = Volume, T = Temperature in K, R = Universal gas constant (8.31 Joule/mole/K)
2. Amount of heat Q required to raise the temperature of n moles of a ...
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