SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The chemical formula Br2 + Cl2 + 29.4 kJ
|
|
Endothermic
|
|
|
Catalyst
|
|
|
Concentration
|
|
|
Exothermic
|
Explanation:
Detailed explanation-1: -Chemical reactions that release energy are called exothermic. In exothermic reactions, more energy is released when the bonds are formed in the products than is used to break the bonds in the reactants. Chemical reactions that absorb (or use) energy are called endothermic.
Detailed explanation-2: -A chemical reaction that has a positive H is said to be endothermic, while a chemical reaction that has a negative H is said to be exothermic .
There is 1 question to complete.