What is the number of moles of a gas inside a 2.7L airbag at a temperature of 421K and pressure of 6.2atm?

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

How have the greenhouse gasses increased from the year 2000 to 2018

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)