Answer to Question #241559 in General Chemistry for bins

Question

a calorimeter has a measured heat capacity of 6.27 kj/c. the combustion of 1.84g of magnesium caused temperature to rise from 21.30 to 28.56 c is this reaction endothermic or exothermic?

Answer 1

Since the temperature has risen, it means heat is released from the reaction, so the reaction is exothermic.