Question

what does one mean by exothermic and endothermic reaction. Give examples. ​

Answer 1

Answer:

A reaction in which heat is given out is an exothermic reaction, for example , combustion .

A reaction in which heat is absorbed is an endothermic reaction. Photosynthesis is a good example .

Answer 2

Answer:

exothermic= the reaction in which heat is realsed from the product

ex=  C6H12O6 +6O2 =6CO2 + 6H2O + energy

endothermic =the reaction in which heat is absored in the process.

ex=   NaCl + H2O  =NaOH + HCl