1.

If 294 joules of heat energy is required to raise the temperature of 2 moles of an ideal gas from `30^(@)C` to `35^(@)C` at constant pressure, then the specific heat at constant pressure will be (R=8.4J/mol `.^(@)K`)A. 27.4 J/mol KB. 28.4 J/mol KC. 29.4 J/mol KD. 30.4 J/mol K

Answer» Correct Answer - C
`dQ_(p)=nC_(p)dT`
`therefore C_(p)=(dQ_(p))/(ndT)=(294)/(2xx5)=29.4`


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