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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
In the reaction C + 2H2 -> CH4, if the heat liberated is -5 J, what is the heat of formation of CH4? |
A. | t-5J |
B. | t5 J |
C. | t0 J |
D. | tCannot be determined |
Answer» C. t0 J | |
2. |
In the reaction 2C + O2-> 2CO, if the heat liberated is 10 J, what is the heat of formation of CO? |
A. | t-5 J |
B. | t5 J |
C. | t-10 J |
D. | t10 J |
Answer» B. t5 J | |
3. |
In the reaction 2N -> N2, if the heat liberated is 6 J, what is the heat of formation of N2? |
A. | t 6 J |
B. | t6 J |
C. | t0 |
D. | tCannot be determined |
Answer» B. t6 J | |
4. |
In the reaction 2H2 + O2 -> 2H2O, if the heat liberated is 50 J, what is the heat of formation of H2O? |
A. | t-25 J |
B. | t25 J |
C. | t-50 J |
D. | t50 J |
Answer» B. t25 J | |
5. |
In the reaction C + O2 -> CO2, if the heat liberated is 10 J, what is the heat of formation of CO2? |
A. | t-10 J |
B. | t10 J |
C. | t0 |
D. | tCannot be determined |
Answer» B. t10 J | |
6. |
Heat of formations of A, B, C, and D, are 3 J, 5 J, 4 J, and 8 J respectively, what is the heat of reaction 2A + 2B -> 2C + D? |
A. | t-5 J |
B. | t0 |
C. | t5 J |
D. | t8 J |
Answer» C. t5 J | |
7. |
Heat of formations of A, B, C, and D, are 2 J, 5 J, 3 J, and 10 J respectively, what is the heat of reaction 4A + 5B -> 2C + 2D? |
A. | t-10 J |
B. | t-7 J |
C. | t-5 J |
D. | t0 |
Answer» C. t-5 J | |
8. |
Heat of formations of A, B, C, and D, are 1 J, 2 J, 3 J, and 4 J respectively, what is the heat of reaction 3A + 4B -> 2C + D? |
A. | t-1 J |
B. | t1 J |
C. | t3 J |
D. | t6 J |
Answer» B. t1 J | |
9. |
Heat of formations of A, B, C, and D, are 5 J, 8 J, 2 J, and 15 J respectively, what is the heat of reaction 3A + B -> 3C + 2D? |
A. | t9 J |
B. | t10 J |
C. | t13 J |
D. | t15 J |
Answer» D. t15 J | |
10. |
Heat of formations of A, B, C, and D, are 5 J, 10 J, 15 J, and 20 J respectively, what is the heat of reaction A + 4B -> 3C + D? |
A. | t10 J |
B. | t20 J |
C. | t35 J |
D. | t45 J |
Answer» C. t35 J | |
11. |
Enthalpy of reactants is 30 J/Kg and enthalpy of products is 10 J/Kg, what is the heat of reaction? |
A. | t-20 J/Kg |
B. | t20 J/Kg |
C. | t-10 J/Kg |
D. | t10 J/Kg |
Answer» B. t20 J/Kg | |