A reaction takes place inside a calorimeter. The water in the calorimeter cools

Question

A reaction takes place inside a calorimeter. The water in the calorimeter cools down as the reaction takes place. a. What is the sign of qH2O? (+or -) b. What is the sign of qrxn? (+or -) c. What is the sign of change of Hrxn? (+or -) d. Is the chemical reaction endothermic or exothermic? A reaction takes place inside a calorimeter. The water in the calorimeter cools down as the reaction takes place. a. What is the sign of qH2O? (+or -) b. What is the sign of qrxn? (+or -) c. What is the sign of change of Hrxn? (+or -) d. Is the chemical reaction endothermic or exothermic?

Explanation / Answer

if water is cooles down it releases heat so

a) sign is negetive (- ve) which represents   release heat

b) sign of reaction also negetive (- ve)

c) reaction os exothermic

exothermic process in which heat is given out.

in cooling process water loose its kinetic energy so it gives out as a heat.

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