Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

Related Mcqs:

A solid is transformed into vapour without going to the liquid phase at_________________?

A. Triple point B. Boiling point C. Below triple point D. Always...

“The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?

A. The statement as per Gibbs-Helmholtz B. Called Lewis-Randall rule C. Henry’s law D. None of these...

Melting of ice exemplifies a/an______________________?

A. Adiabatic process B. Endothermic reaction C. Exothermic reaction D. Process involving a chemical reaction...

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

A. Volume of the liquid phase is negligible compared to that of vapour phase B. Vapour phase behaves as an ideal gas C. Heat of vaporisation is independent of temperature D. All A , B. & C....

The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?

A. Kelvin’s B. Antoine’s C. Kirchoff’s D. None of these...