42.0 moles Cl2 contains _____ molecules Cl2.

When a substance loses electrons it is _____; the substance itself is acting as a(an) _____ agent.

105 g of MgCl2 contains _____ mol MgCl2.

Copy of For the reaction of zinc with silver nitrate,  4.6 g of silver was produced.  The reaction should have theoretically produced 5.8 g.  What is the percent yield?

When the reaction shown is correctly balanced, the coefficients are: ____ HBr + ____ Ca(OH)2 → ____ CaBr2 + ____ H2O

When a solution of silver nitrate (AgNO3)  is mixed with hydrochloric acid (HCl) a white precipitate forms.  The precipitate is most likely 

Consider the balanced equation shown and identify the statement that is not true.

How many grams of fluorine (F2) are required to produce 20.0 grams of FeF3 from the reaction shown?               2 Fe + 3F2 → 2 FeF3

The reaction 2 AgNO3 (aq) + K2SO4 (aq) → 2 KNO3 (aq) + Ag2SO4 (s) is an example of a(an) _____ reaction.

Consider the reaction shown: 452 kcal + 4 PCl5 (s) → P4 (s) + 10 Cl2 (g) This reaction is _____ because the sign of ΔH is _____.