Is a unit of energy that can identify the amount of energy released or absorbed by a chemical reaction

a
kiloliters (kl)
b
kilojoules (kj)
c
kilopascals (kpa)
d
kilograms (kg)

Taylor's experiment: 1. accurately measured the speed of light 2. locked together the phases of two light sources so that the interference pattern would not shift 3. showed that man's reaction time was much slower than the speed of light 4. showed that individual photons have wave characteristics

What are the applications of electromagnetic waves

For which pair of objects would adding the same a