Question

Differentiate between Exothermic And Endothermic Reaction with an Example ?​

Answer 1

-in endothermic reaction heat energy is absorbed

-it has mostly positive sign

EXAMPLE :

Na + Cl ➡️NaCl heat energy =+787kj

- in exothermic reaction heat is released

-it has mostly negative sign

Na+Cl ➡️NaCl. heat energy = -787 kj