Mrs. Borunda has a sample of oxygen gas that occupies a volume of 600 L at 400 atm pressure. What will the pressure be if she increases the volume to 800 L?
300 atm
450 atm
540 atm
250 atm

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.