Heat of formations of A, B, C, and D, are 2 J, 5 J, 3 J, and 10 J resp – McqOptions

MCQOPTIONS

1.	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

Discussion

No Comment Found

Related MCQs

In the reaction C + 2H<sub>2</sub> -> CH<sub>4</sub>, if the heat liberated is -5 J, what is the heat of formation of CH<sub>4</sub>?
In the reaction 2C + O<sub>2</sub>-> 2CO, if the heat liberated is 10 J, what is the heat of formation of CO?
In the reaction 2N -> N<sub>2</sub>, if the heat liberated is 6 J, what is the heat of formation of N<sub>2</sub>?
In the reaction 2H<sub>2</sub> + O<sub>2</sub> -> 2H<sub>2</sub>O, if the heat liberated is 50 J, what is the heat of formation of H<sub>2</sub>O?
In the reaction C + O<sub>2</sub> -> CO<sub>2</sub>, if the heat liberated is 10 J, what is the heat of formation of CO<sub>2</sub>?
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?
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?
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?
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?
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?