Question

During chemical reactions thermal energy is absorbed and/or released, whiles mass is gained or lost.
-True
or
-False

Answer 1

Answer:

product is gain or lost is correct

Answer 2

During chemical reactions thermal energy is absorbed and/or released, whiles mass is gained or lost

Explanation:

• When a chemical thermal reaction occurs the thermal energy is absorption or emission depend on the gain lost of the energy.
• According to the law of conservation of energy and mass, both mass and energy are interconvertible.

• The formula which express the Mass-Energy relation is the product of mass m and speed of light squared $c^{2}$. In expression its shown as E=m$c^{2}$
• During lost of mass the thermal reaction occurs called is Exothermic Reaction and during gain of mass the thermal reaction occurs is called as Endothermic reaction.
• So it is true that during chemical reactions thermal energy is absorbed or released, whiles mass is gained or lost.