A. Endothermic
B. Exothermic
C. Isothermal
D. Adiabatic
Related Mcqs:
- In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
A. High temperature
B. Low pressure
C. Low temperature only
D. Both low temperature and high pressure - For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?
A. Shift the equilibrium towards right
B. Give higher yield of NH3
C. Both B. and C
D. Neither A. nor B - Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?
A. 46
B. 92
C. -23
D. -92 - In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?
A. Low temperature
B. High pressure
C. Both A. and B
D. Neither A. nor B - If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be _____________ Kcal?
A. -19.4
B. -30.2
C. 55.2
D. -55.2 - Consider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?
A. -94 kcal
B. +94 kcal
C. > 94 kcal
D. < -94 kcal - Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?
A. Low temperature and high pressure
B. Low temperature and low pressure
C. High temperature and high pressure
D. High temperature and low pressure - In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?
A. -94 kcal
B. > -94 kcal
C. < – 94 kcal
D. Zero - Trouton’s ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K) ___________________?
A. λb/Tb
B. Tb/λb
C. √(λb/Tb)
D. √(Tb/λb) - Internal energy of an element at 1 atm and 25° C is ____________ kcal/kg.mole?
A. 0
B. 273
C. 25
D. None of these
