A. Heat capacities of solids
B. Heat capacities of gases
C. Molal heat capacities of gases
D. Activation energy
Related Mcqs:
- Magnesite refractories are generally not used in the__________________?
A. Electric furnace walls
B. Steel melting furnace
C. Open hearth furnace
D. Burning zone of cement kilns - The temperature at which a real gas obeys Boyle’s law is termed as the__________________?
A. Triple point
B. Boyle’s temperature
C. Eutectic point
D. Inversion temperature - As per Kirchhoff s equation, the heat of reaction is affected by the__________________?
A. Pressure
B. Volume
C. Temperature
D. Molecularity - 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 - Kopp’s rule is concerned with the calculation of__________________?
A. Thermal conductivity
B. Heat capacity
C. Viscosity
D. Surface tension - The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?
A. -109.5
B. +109.5
C. +180
D. +100 - Cp is expressed in S.I. unit as_______________?
A. J/kg.°K
B. 0°K
C. W/m2.°C
D. W/m.°K - A very dilute solution is prepared by dissolving ‘x1’ mole of solute in ‘x2’ mole of a solvent. The mole fraction of solute is approximately equal to_________________?
A. x1/x2
B. x2/x1
C. 1 – (x1/x2)
D. 1/x2 - Which of the following has the smallest least effect on the solubility of a solute into the solvent ?
A. Nature of the solute
B. Nature of the solvent
C. Temperature
D. Pressure - A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ?
A. 1
B. 2
C. 4
D. 8
