How many moles of oxygen react
with 2.25 mol of nitrogen?
N2(g) + O2(g) → NO(g)

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?