Suppose the pressure of 20 g of an ideal monatomic gas is tripled while its volume is halved. What happens to the internal energy of the gas?

a. It stays the same, as the described changes do not involve internal energy.
b. It increases.
c. It decreases 33%.
d. This depends on the molecular weight of the gas involved, thus this is indeterminate.


B

Physics & Space Science

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