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probability of finding electron in an orbitan an electron in an orbit was replaced by, the concept of atom? dyn 29 . The enthalpy of combustion of methane, graphite and dihydrogen at $298\mathrm{K}$ are, $-890.3\mathrm{kJ}$ ${\mathrm{mol}}^{-1}-393.5\mathrm{kJ}{\mathrm{mol}}^{-1}$, and $-285.8\mathrm{kJ}{\mathrm{mol}}^{-1}$ respectively. Calculate enthalpy of formation of ${\mathrm{CH}}_4(\mathrm{g})$ The equilibrium constant for a reaction is 10 . What will be the value of $\Delta G^0$ ? $\mathrm{R}=8.314{\mathrm{JK}}^{-1}{\mathrm{mol}}^{-1},\mathrm{T}=300\mathrm{K}$. 30. Define the following terms: a) standard enthalpy of formation b) lattice enthalpy

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Updated on: Dec 8, 2022