The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of_________________?

Related Mcqs:

Which is an acidic refractory ?

A. Magnesite B. Dolomite C. Fireclay D. Chrome magnesite...

Kopp’s rule is useful for the determination of_____________________?

A. Molal heat capacities of gases B. Heat capacities of solids C. Activation energy D. Heat capacities of gases...

‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the_____________?

A. Temperature vs. log (vapor pressure) B. Vapor pressure vs. log (temperature) C. Log (temperature) vs. log (vapor pressure) D. Vapor pressure vs. temperature...

The increase in the temperature of the aqueous solution will result in decrease of its________________?

A. Weight % of the solute B. Mole fraction of the solute C. Molarity D. Molality...

The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg ?

A. 0.2 B. 0.1 C. 0.4 D. 0.6...