Suppose the pressure of 20 g of an ideal monatomic gas is tripled while its volu

Question

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

Explanation / Answer

Work Done = (P2-P1)*(V2-V1) = 2P*-1/2*V = -P*V

Work Done will increase the internal Enrgy and somework will be lost as heat

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