What amount of heat must be communicated to 1 mole of a monoatomic gas in a cylinder to raise its temperature by 20 K.
| January 19, 2021 | education
Given:
γ = 1 mol;
R = 8.3 J;
T = 20 K;
Find: Q;
Decision:
Q = U + A;
A = 0;
U = 3/2 * γ * R * T = 3/2 * 1 * 8, 3 * 20 = 1.5 * 166 J = 249 J;
Answer: 249 J.
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