1.

What is the molecular weight (approximate) for the gas whose specific heats are as follows? \[{{c}_{p}}=1.967\,\,kJ/kg\,\,K\,;\]          \[{{c}_{v}}=1.507\,\,kJ/kg\,\,K\,\,\]

A. 17
B. 18
C. 19
D. 20
Answer» C. 19


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