Units 8 & 9 Test Review Chemistry I

Topics Covered on the Test:

* Balancing Equations * Stoichiometry

* Types of Reactions * Percent Yield

* Single Replacement Prediction * Limiting Reactant (Honors Only)

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1.) ___ CaCl2 + ___ AgNO3 ___ Ca(NO3)2 + ___AgCl

(A) Balance the equation.

(B) Type of reaction?

(C) If 50.0 grams of calcium chloride are reacted with excess silver nitrate, how many grams
of silver chloride can be produced?

(D) What is the percent yield if a student makes 118 grams of silver chloride in this
experiment?

 

2.) ___ Fe(HCO3)3 ___ Fe2O3 + ___ H2O + ___CO2

(A) Balance the equation.

(B) Type of reaction?

(C) A lab group decomposed 15.0 grams of Fe(HCO3)3. What is the theoretical yield of iron
(III) oxide?

(D) If the lab group produced 4.63 grams of iron (III) oxide, what is their percent yield?

 

3.) ___ Au + ___HNO3 + ___HCl ___ AuCl3 + ___NO + ___ H2O

(A) How many grams of hydrochloric acid (HCl) are needed to completely react 1.25 moles of
gold metal?

 

4.) ___ Fe + ___ CuNO3 ___ Fe(NO3)2 + ___ Cu

(A) How do we know that this reaction actually happens?

(B) When 3.7 moles of iron are reacted with excess copper (I) nitrate, how many moles of
copper are produced?

 

5.) ___ Ca3(PO4)2 + ___ SiO2 + ___ C ___ P + ___ CaSiO3 + ___ CO

(A) How many moles of CaSiO3 would be produced by the complete reaction of 225.5 grams of
calcium phosphate?

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Determine if the following reactions will occur. (Honors: If the reaction occurs, write the formula(s) for the product(s) and balance the equation.)

6.) Al + HCl

7.) Zn(NO3)2 + Mg

8.) Cu + H2SO4

9.) CsF + I2

10.) Cl2 + NaBr

11.) Pb(ClO3)2 + K

12.) Mn + LiOH

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Honors only

13.) ___ K3PO4 + ___ MgCl2 ___ Mg3(PO4)2 + ___ KCl

(A) What is the theoretical yield of potassium chloride if 21.7 grams of magnesium chloride
are reacted with 25.4 grams of potassium phosphate?

(B) How many grams of excess reactant remain after the reaction is complete?

14.) ___ H2SO4 + ___ NaCN ___ HCN + ___ Na2SO4

(A) What is the theoretical yield (in grams) of sodium sulfate if 35.6 grams of NaCN are
reacted with 40.5 grams of H2SO4?
(B) How many grams of excess reactant remain after the reaction is complete?

 

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