How many particles are in. 922 moles of nacl

How many miles of water are produced if 5.43 mol pbo2 are consumed

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).

The point along a planet's orbit where it is closest to the sun is called the