Potassium reacts with chlorine based on the following reaction:  2K + Cl2 -> 2KCl If 6 moles of K is reacted with 2 moles of Cl2, which reactant is the limiting reagent?

How many moles of Cu are needed to react with 4 mol of AgNO3 based on the following equation?  Cu + 2AgNO3 -> Cu(NO3)2 +2Ag

Which of the following is not considered a major component of the troposphere?

Match the term with the correct statement by writing the appropriate number in each box.  Each term is worth 1 mark.

What volume of a 10 mol/L H2SO4 solution is needed to make 1 L of 1.0 mol/L solution of H2SO4?

The following is the equation for the electrolysis of water:  2H2O -> 2H2 + O2 The number of moles of H2, produced by the electrolysis of 4 moles of water is:

What is the molar mass of NaOH?

The prediction of the amount of product that is produced in a reaction calculated from the balanced chemical equation is the:

How many moles are 3.011 x 1024 atoms of gold?

Explain how a protective coating helps to prevent corrosion. (2 marks)