Question

1 kg of S is burnt in a closed vessel. Same quantity of S is burnt in an open vessel. In both the cases S is oxidised to SO2. The heat evolved in both the situtation is:

a. Heat evolved is more in closed container
b. Heat evolved is more in open container
c. Heat evolved in both the containers will be the same
d. Unable to draw any conclusions​

Answer 1

Answer: it will be the same. Explanation: When 1kg of graphite is burned in a closed vessel and the same amount of sample is burned in another vessel. The het evolved will be same in both the cases as ∆n=0 in both cases.

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