22 + Mcqs in Heat Combustion in Chemical Engineering Page 1 McqOptions

1.	What is the heat of reaction for C6H6 + 3H2 -> C6H12, if the heat of combustion of H2 = 2 J, C6H6= 30 J, and C6H12 = 25 J?
A.	-6 J
B.	6 J
C.	-11 J
D.	11 JView answer
Answer» E.

Discussion

2.	What is the heat of reaction for H2 + Cl2 -> 2HCl, if the heat of combustion of H2 = 2 J, Cl2 = 10 J, and HCl = 10 J?
A.	-8 J
B.	8 J
C.	-10 J
D.	10 JView answer
Answer» B. 8 J

Discussion

3.	What is the heat of reaction for 2CO + O2 -> 2CO2, if the heat of combustion of CO = 20 J, O2 = 5 J, and CO2 = 25 J?
A.	5 J
B.	-5 J
C.	15 J
D.	-15 JView answer
Answer» D. -15 JView answer

Discussion

4.	What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J?
A.	-5 J
B.	5 J
C.	-19 J
D.	19 JView answer
Answer» D. 19 JView answer

Discussion

5.	What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat of combustion of H2O = 5 J, CO2 = 10 J, O2 = 0, and CH4 = 25 J?
A.	-5 J
B.	5 J
C.	-10 J
D.	10 JView answer
Answer» C. -10 J

Discussion

6.	What is the value of higher heating value if the value of lower heating value is 10 J and the product has 5 moles of H2O and Enthalpy of vaporization is 4 J/mole at standard conditions?
A.	10 J
B.	20 J
C.	30 J
D.	40 JView answer
Answer» D. 40 JView answer

Discussion

7.	What is the difference between lower heating value and higher heating value if the product has 2 moles of H2O and Enthalpy of vaporization is 40 J/mole at standard conditions?
A.	-40 J
B.	40 J
C.	-80 J
D.	80 JView answer
Answer» D. 80 JView answer

Discussion

8.	What is the difference between higher heating value and lower heating value if the product has 5 moles of H2O and Enthalpy of vaporization is 10 J/mole at standard conditions?
A.	10 J
B.	-10 J
C.	50 J
D.	-50 JView answer
Answer» D. -50 JView answer

Discussion

9.	What is the heating value of 2 Kg of coal with heat of combustion 15 J/Kg?
A.	-15 J
B.	15 J
C.	-30 J
D.	30 JView answer
Answer» D. 30 JView answer

Discussion

10.	What is the heat of reaction if the heat of combustion of products is 2 J and heat of combustion of reactants is 10 J?
A.	8 J
B.	-8 J
C.	4 J
D.	-4 JView answer
Answer» B. -8 J

Discussion

11.	What is the heat of reaction if the heat of combustion of products is 25 J and heat of combustion of reactants is 15 J?
A.	-5 J
B.	5 J
C.	-10 J
D.	10 JView answer
Answer» D. 10 JView answer

Discussion

12.	What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 15 J?
A.	-5 J
B.	5 J
C.	10 J
D.	Cannot sayView answer
Answer» C. 10 J

Discussion

13.	WHAT_IS_THE_VALUE_OF_HIGHER_HEATING_VALUE_IF_THE_VALUE_OF_LOWER_HEATING_VALUE_IS_10_J_AND_THE_PRODUCT_HAS_5_MOLES_OF_H₂O_AND_ENTHALPY_OF_VAPORIZATION_IS_4_J/MOLE_AT_STANDARD_CONDITIONS??$
A.	10 J
B.	20 J
C.	30 J
D.	40 J
Answer» D. 40 J

Discussion

14.	What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J
A.	-5 J
B.	5 J
C.	-19 J
D.	19 J
Answer» D. 19 J

Discussion

15.	What is the heat of reaction for CH₄ + 2O₂ -> CO₂ + 2H₂O, if the heat of combustion of H₂O = 5 J, CO₂ = 10 J, O₂ = 0, and CH₄ = 25 J?$
A.	-5 J
B.	5 J
C.	-10 J
D.	10 J
Answer» C. -10 J

Discussion

16.	What is the heat of reaction for C₆H₆ + 3H₂ -> C₆H₁₂, if the heat of combustion of H₂ = 2 J, C₆H₆= 30 J, and C₆H₁₂ = 25 J?
A.	-6 J
B.	6 J
C.	-11 J
D.	11 J
Answer» E.

Discussion

17.	What is the heat of reaction for H₂ + Cl₂ -> 2HCl, if the heat of combustion of H₂ = 2 J, Cl₂ = 10 J, and HCl = 10 J?
A.	-8 J
B.	8 J
C.	-10 J
D.	10 J
Answer» B. 8 J

Discussion

18.	What is the heat of reaction for 2CO + O₂ -> 2CO₂, if the heat of combustion of CO = 20 J, O₂ = 5 J, and CO₂ = 25 J?
A.	5 J
B.	-5 J
C.	15 J
D.	-15 J
Answer» D. -15 J

Discussion

19.	What is the difference between higher heating value and lower heating value if the product has 5 moles of H₂O and Enthalpy of vaporization is 10 J/mole at standard conditions?
A.	10 J
B.	-10 J
C.	50 J
D.	-50 J
Answer» D. -50 J

Discussion

20.	What is the heating value of 10 Kg of coal with heat of combustion 10 J/Kg?
A.	-10 J
B.	10 J
C.	-100 J
D.	100 J
Answer» D. 100 J

Discussion

21.	What is the heat of reaction if the heat of combustion of products is 40 J and heat of combustion of reactants is 25 J?
A.	5 J
B.	10 J
C.	15 J
D.	-15 J
Answer» E.

Discussion

22.	What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 5 J?
A.	-5 J
B.	5 J
C.	10 J
D.	Cannot be determined
Answer» B. 5 J

Discussion

Explore topic-wise MCQs in Chemical Engineering.

What is the heat of reaction for C6H6 + 3H2 -> C6H12, if the heat of combustion of H2 = 2 J, C6H6= 30 J, and C6H12 = 25 J?

What is the heat of reaction for H2 + Cl2 -> 2HCl, if the heat of combustion of H2 = 2 J, Cl2 = 10 J, and HCl = 10 J?

What is the heat of reaction for 2CO + O2 -> 2CO2, if the heat of combustion of CO = 20 J, O2 = 5 J, and CO2 = 25 J?

What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J?

What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat of combustion of H2O = 5 J, CO2 = 10 J, O2 = 0, and CH4 = 25 J?

What is the value of higher heating value if the value of lower heating value is 10 J and the product has 5 moles of H2O and Enthalpy of vaporization is 4 J/mole at standard conditions?

What is the difference between lower heating value and higher heating value if the product has 2 moles of H2O and Enthalpy of vaporization is 40 J/mole at standard conditions?

What is the difference between higher heating value and lower heating value if the product has 5 moles of H2O and Enthalpy of vaporization is 10 J/mole at standard conditions?

What is the heating value of 2 Kg of coal with heat of combustion 15 J/Kg?

What is the heat of reaction if the heat of combustion of products is 2 J and heat of combustion of reactants is 10 J?

What is the heat of reaction if the heat of combustion of products is 25 J and heat of combustion of reactants is 15 J?

What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 15 J?

WHAT_IS_THE_VALUE_OF_HIGHER_HEATING_VALUE_IF_THE_VALUE_OF_LOWER_HEATING_VALUE_IS_10_J_AND_THE_PRODUCT_HAS_5_MOLES_OF_H2O_AND_ENTHALPY_OF_VAPORIZATION_IS_4_J/MOLE_AT_STANDARD_CONDITIONS??$

What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J

What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat of combustion of H2O = 5 J, CO2 = 10 J, O2 = 0, and CH4 = 25 J?$

What is the heat of reaction for C6H6 + 3H2 -> C6H12, if the heat of combustion of H2 = 2 J, C6H6= 30 J, and C6H12 = 25 J?

What is the heat of reaction for H2 + Cl2 -> 2HCl, if the heat of combustion of H2 = 2 J, Cl2 = 10 J, and HCl = 10 J?

What is the heat of reaction for 2CO + O2 -> 2CO2, if the heat of combustion of CO = 20 J, O2 = 5 J, and CO2 = 25 J?

What is the difference between higher heating value and lower heating value if the product has 5 moles of H2O and Enthalpy of vaporization is 10 J/mole at standard conditions?

What is the heating value of 10 Kg of coal with heat of combustion 10 J/Kg?

What is the heat of reaction if the heat of combustion of products is 40 J and heat of combustion of reactants is 25 J?

What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 5 J?

WHAT_IS_THE_VALUE_OF_HIGHER_HEATING_VALUE_IF_THE_VALUE_OF_LOWER_HEATING_VALUE_IS_10_J_AND_THE_PRODUCT_HAS_5_MOLES_OF_H₂O_AND_ENTHALPY_OF_VAPORIZATION_IS_4_J/MOLE_AT_STANDARD_CONDITIONS??$

What is the heat of reaction for CH₄ + 2O₂ -> CO₂ + 2H₂O, if the heat of combustion of H₂O = 5 J, CO₂ = 10 J, O₂ = 0, and CH₄ = 25 J?$

What is the heat of reaction for C₆H₆ + 3H₂ -> C₆H₁₂, if the heat of combustion of H₂ = 2 J, C₆H₆= 30 J, and C₆H₁₂ = 25 J?

What is the heat of reaction for H₂ + Cl₂ -> 2HCl, if the heat of combustion of H₂ = 2 J, Cl₂ = 10 J, and HCl = 10 J?

What is the heat of reaction for 2CO + O₂ -> 2CO₂, if the heat of combustion of CO = 20 J, O₂ = 5 J, and CO₂ = 25 J?

What is the difference between higher heating value and lower heating value if the product has 5 moles of H₂O and Enthalpy of vaporization is 10 J/mole at standard conditions?