N2-3H2 → 2NH3 How many moles of hydrogen, H2, are needed
to react with 2.0 moles of nitrogen, N2?

What is the [oh-] in a solution with a poh of 3.90

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?