Air pressure and density vary among the layers of the atmosphere. Which order of the different layers of the atmosphere correctly arranges the layer from highest air pressure
and density to the lowest air pressure and density.
Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere
Oxygen, nitrogen, argon, carbon dioxide
Troposphere, stratosphere, ozone, thermosphere, outer space
Troposphere, stratosphere, mesosphere, thermosphere, exosphere

Which fact represents evidence for the big bang theory?

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 .

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh