Unit Test — Unit test Answers

If the pressure, volume, and temperature of a gas are known, which can most likely be found by using the ideal gas law?

The equation below shows lithium reacting with nitrogen to produce lithium nitride.6Li + N2 2Li3NIf 12 mol of lithium were reacted with excess nitrogen gas, how many moles of lithium nitride would be produced?

The equation shows the reaction between zinc metal and hydrochloric acid.Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g)What is the theoretical yield of hydrogen gas if 5.00 mol of zinc are added to an excess of hydrochloric acid?

The balanced equation below shows the products that are formed when pentane (C5H12) is combusted. C5H12 + 8O2 5CO2 + 6H2OWhat is the mole ratio of oxygen to pentane?

Lakshmi has a sample of ammonium nitrate (NH4NO3) that has a mass of 40.10 g. She knows that the molar mass of NH4NO3 is 80.06 g/mol. To the correct number of significant digits, how many moles of NH4NO3 does the sample contain?