Heat of reaction is a function of the___________________?

Related Mcqs:

1. The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the___________________?

   A. Trouton’s rule
   B. Kopp’s rule
   C. Antoine equation
   D. Kistyakowsky equation

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

   A. Formation
   B. Solution
   C. Combustion
   D. Fusion

3. For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is__________________?

   A. 0
   B. 1
   C. 2
   D. 3

4. Heat of reaction is not influenced by__________________?

   A. The route/method through which final products are obtained
   B. The physical state (e.g., solid, liquid or gaseous) of reactants and products
   C. Whether the reaction is carried out at constant temperature or constant pressure
   D. None of these

5. ______________ equation gives the effect of temperature on heat of reaction ?

   A. Kirchoff’s
   B. Maxwell’s
   C. Antoine
   D. Kistyakowsky

6. As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

   A. Pressure
   B. Volume
   C. Temperature
   D. Molecularity

7. Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?

   A. 57.46
   B. -57.46
   C. 114.92
   D. -28.73

8. Heat of transition is the heat evolved or absorbed, when a substance is converted from_________________?

   A. Vapor to liquid
   B. Vapor to solid
   C. Solid to liquid
   D. One allotropic form to another allotropic form

9. A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is__________________?

   A. 13728 J
   B. 19206 J
   C. 4576 J
   D. 12712 J

10. “The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?

    A. Law of Petit and Dulong
    B. Kopp’s rule
    C. Nernst heat theorem
    D. Trouton’s rule