How many kilojoules of energy are released when enough methane gas, CHa reacts with oxygen gas, O2 to form 0.66 moles of water, H20? (Show your work or explain your
answer)
CH4 + 202 → CO2 + 2H20 + 890.0 kJ

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?

Which states of matter have particles that move independently of one another with very little attraction?

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?