When 229 J of energy is supplied as heat at constant pressure to 3 mol Ar(g), the temperature of the sample is increased by 2.55K. Calculate the molar heat capacity at constant volume:

Q. When $229J$ of energy is supplied as heat at constant pressure to $3$ mol $Ar\left(g\right)$, the temperature of the sample is increased by $2.55K$. Calculate the molar heat capacity at constant volume:

Q. When 229 J of energy is supplied as heat at constant pressure to 3 mol Ar(g), the temperature of the sample is increased by 2.55K. Calculate the motor heat capacity at constant volume :

Q. Calculate the change in entropy when 1 mol of solid iodine at a temperature of 360 K is heated at constant pressure to produce liquid iodine at a temperature of 410 K. The constant pressure molar heat capacity of solid iodine is 54.44 J $K^{-1}$ $mo{l}^{-1}$ and liquid iodine is 80.67 J $K^{-1}$ $mo{l}^{-1}$.
The melting point of iodine is 387 K and molar enthalpy of fusion of iodine is 7.87 kJ/mol.

Q. The molar heat capacity of water at constant pressure, $C_p$ is 75 J $K^{-1}mo{l}^{-1}$. When 10 KJ of heat is supplied to 1 kg water which is free to expand, the increase in temperature of water is:

Q. The molar heat capacity $\left(C_p\right)$ of water at constant pressure is $75J{K}^{-1}{mol}^{-1}$. The increase in temperature (in $K$) of $100g$ of water when $1kJ$ of heat is supplied to it is: