A. Molal heat capacities of gases
B. Heat capacities of solids
C. Activation energy
D. Heat capacities of gases
Related Mcqs:
- Test piece for determination of RUL of a refractory is heated in a/an__________________?
A. Oxidising atmosphere
B. Reducing atmosphere
C. Electric furnace
D. Neutral atmosphere - Othmer chart is useful in estimating the heat of_______________?
A. Mixing
B. Wetting
C. Adsorption
D. None of these - ‘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
- A bypass stream in a chemical process is useful, because it___________________?
A. Facilitates better control of the process
B. Improves the conversion
C. Increases the yield of products
D. None of these - Kopp’s rule is concerned with the calculation of__________________?
A. Thermal conductivity
B. Heat capacity
C. Viscosity
D. Surface tension - Kopp’s rule is helpful in finding the__________________?
A. Heat capacities of solids
B. Heat capacities of gases
C. Molal heat capacities of gases
D. Activation energy - Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?
A. ΔH = 1 (+ ve) and Δ V = -ve
B. ΔH = 0
C. ΔV = 0
D. Both B. and C. - Internal energy of a substance comprises of the _____________ energy?
A. Vibrational
B. Rotational
C. Translational
D. All A., B. & C. - 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 - The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
A. Measures the elevation in boiling point
B. Is not dependent on the temperature
C. Is a function of the liquid phase composition
D. Measures the depression in freezing point
