Then two moles of oxygen is heated from 0^@C to 10^@Cat constant volume, its internal energychanges by 420 J. What is the molar specific heat of oxygen at constant volume ?

Then two moles of oxygen is heated from 0^@C to 10^@Cat constant volum

1.	Then two moles of oxygen is heated from 0^@C to 10^@Cat constant volume, its internal energychanges by 420 J. What is the molar specific heat of oxygen at constant volume ?
Answer» `5.75 JK^(-1) "MOL"^(-1)` `10.5 JK^(-1) "mol"^(-1)` `21JK^(-1) "mol"^(-1)` `42JK^(-1) "mol"^(-1)` ANSWER :C