Bond enthalpy of bromine is 194 kJ mol^(-) . If enthalpy of vapourisation of Br_2 is +30 kJ mol^(-) , electron gain enthalpy of Br is -325 kJ mol^(-1) and hydration enthalpy of bromide is -339 kJ mol^(-1) calculate the change in enthalpy for the reaction, 1/2Br_(2)(l) + e^(-) overset(aq)(rarr) Br^(-)(aq) .
The heats of combustion of hydrogen and cyclohexene are -241 kJ mol^(-1) and -3800 kJ mol^(-1) .The heat of hydrogenation of cyclohexene is -121kJ mol^(-1) . Calculate the heat of combustion of cyclohexane.
If the activation energy for the forward reaction is 150kJ mol^(-1) and that of the reverse reaction is 260kJ mol^(-1) . What is the enthalpy change for the reaction
The standard free energy of Cu_((aq))^(+) is 50 kJ mol^(-1) and that of Cu_((aq))^(2+) is 66 kJ. mol^(-1) . Calculate the change in free energy for the reaction, Cu_((aq))^(+) to Cu_((aq))^(2+) + e^(-) .
The standard enthalpy of formation of hypothetical MgCl is -125kJ mol^(-1) and for MgCl_(2) is -642 kJ mol^(-1) . What is the enthalpy of the disproportionation of MgCl ?
Lattice dissociation energy and hydration energy of sodium chloride are respectively 788 kJ mol^(-1) and 784 kJ mol^(-1) . Then enthalpy of solution of sodium chloride in water is
NARENDRA AWASTHI-THERMODYNAMICS-Level 3 - Match The Column
