The molar heat capacity of a substance is represented in the temperature range 298 K to 400 K by the empirical relation $\mathrm{C}_{\mathrm{p}, \mathrm{m}}=14+\mathrm{nTJK}^{-1} \mathrm{mol}^{-1}$, where b is a constant. The molar enthalpy change when the substance is heated from 300 K to 350 K is $2 \mathrm{kJ} \mathrm{mol}^{-1}$. The value of b is ____ $\mathrm{J} \mathrm{K}^{-2} \mathrm{mol}^{-1}$(Upto two decimal places)
Answer
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