Which of the following best describes the solar radiation absorbed by and radiated from earth?
a.
Most incoming solar energy is absorbed by the atmosphere.
b.
Only a small fraction of energy radiating from Earth is from the atmosphere.
c.
The Earth’s surface is responsible for a small fraction of heat radiation to space.
d.
Earth’s surface absorbs little of the energy that strikes as solar radiation.

Please select the best answer from the choices provided

A
B
C
D

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .