Two moles of magnesium in five moles of oxygen are placed in a reaction vessel. when magnesium is ignited, it reacts with oxygen. what is the limiting reactant in this experiment

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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 .