Heat and Thermodynamics 4 Question 37
39. One mole of a monoatomic ideal gas is mixed with one mole of a diatomic ideal gas. The molar specific heat of the mixture at constant volume is
(1984, 2M)
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Answer:
Correct Answer: 39. 2 R
Solution:
- $C _V=\frac{n _1 C _{V _1}+n _2 C _{V _2}}{n _1+n _2}=\frac{(1)\left(\frac{3}{2} R\right)+(1)\left(\frac{5}{2} R\right)}{1+1}=2 R$