Which part of the graph represents how much energy the reactants need to gain to become products?

Reaction progress
Α. Η
B. G
C. F
D. H minus F

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Is a pencil falling to the floor anon contact force, a force, or a contact force