Answers (2) C (13) C (3) B (14) D (4) C (15) D (5) B (16) D (6) A (17) A (7) C (18) D (8) A (19) B (9) D (20) D (10) A (21) A (11) B (22) B (12) C

What are the reactants in the following chemical equation: Zn + CuSO4  ZnSO4 + Cu iRespond Question F Multiple Choice A.) zinc and copper B.) zinc sulfate and copper C.) zinc and copper (II) sulfate D.) only zinc E.)

What are the products in the following chemical equation: Multiple Choice iRespond Question What are the products in the following chemical equation: Zn + CuSO4  ZnSO4 + Cu A.) zinc and copper B.) zinc sulfate and copper C.) zinc and copper (II) sulfate D.) only zinc E.)

Chemical equations must be balanced to satisfy ____. iRespond Question F Multiple Choice A.) the law of definite proportions B.) the law of multiple proportions C.) the law of conservation of mass D.) Avogadro’s principle E.)

4Fe + 3O2  2X Which compound is represented by X? A.) FeO B.) Fe2O3 Given the incomplete equation: 4Fe + 3O2  2X Which compound is represented by X? iRespond Question F Multiple Choice A.) FeO B.) Fe2O3 C.) Fe3O2 D.) Fe3O4 E.)

CaSO4 + AlCl3  Al2(SO4)3 + CaCl2 F Multiple Choice iRespond Question CaSO4 + AlCl3  Al2(SO4)3 + CaCl2 What is the coefficient of Al2(SO4)3 when the equation is completely balanced using the smallest whole-number coefficients? A.) 1 B.) 2 C.) 3 D.) 4 E.)

Given the incomplete equation: 2N2O5(g)  Which set of products completes and balances the incomplete equation? iRespond Question F Multiple Choice A.) 2N2(g) + 3H2(g) B.) 2N2(g) + 2O2(g) C.) 4NO2(g) + O2(g) D.) 4NO(g) + 5O2(g) E.)

Given the unbalanced equation: F Multiple Choice iRespond Question Given the unbalanced equation: Al + O2  Al2O3 When this equation is completely balanced using smallest whole numbers, what is the sum of the coefficients? A.) 9 B.) 7 C.) 5 E.) D.) 4

is an example of which type of reaction? The equation 2C3H7 + 9O2  6CO2 + 8H2O is an example of which type of reaction? iRespond Question F Multiple Choice A.) single-replacement reaction B.) double-replacement reaction C.) decomposition reaction D.) combustion reaction E.)

H3PO4 + 3KOH  K3PO3 + 3H2O is an example of which type of reaction? The equation H3PO4 + 3KOH  K3PO3 + 3H2O is an example of which type of reaction? iRespond Question F Multiple Choice A.) double-replacement reaction B.) combination reaction C.) decomposition reaction D.) single-replacement reaction E.)

is an example of which type of reaction? The equation Mg(s) + 2HCl(aq)  MgCl2(aq) + H2(g) is an example of which type of reaction? iRespond Question F Multiple Choice A.) combination reaction B.) single-replacement reaction C.) decomposition reaction D.) double-replacement reaction E.)

is an example of which type of reaction? The reaction 2Fe + 3Cl2  2FeCl3 is an example of which type of reaction? iRespond Question F Multiple Choice A.) combustion reaction B.) single-replacement reaction C.) combination reaction D.) decomposition reaction E.)

In a combustion reaction, one of the reactants is ____. iRespond Question F Multiple Choice A.) hydrogen B.) nitrogen C.) oxygen D.) a metal E.)

Which of the following elements is diatomic? iRespond Question F Multiple Choice A.) sulfur B.) neon C.) phosphorus D.) iodine E.)

What is the correct formula for calcium nitride? iRespond Question F Multiple Choice A.) CaN B.) Ca3Ni2 C.) Ca2N3 D.) Ca3N2 E.)

nitrogen trifluoride  nitrogen + fluorine Multiple Choice iRespond Question If you rewrite the following word equation as a balanced chemical equation, what will the coefficient and symbol for fluorine be? nitrogen trifluoride  nitrogen + fluorine A.) 6F2 B.) F3 C.) 6F D.) 3F2 E.)

What is the charge on copper in the formula CuNO3? iRespond Question F Multiple Choice A.) Cu+1 B.) Cu+2 C.) Cu+3 D.) Cu+4 E.)

What is the charge on lead in the formula Pb(CO3)2 iRespond Question F Multiple Choice A.) Pb+1 B.) Pb+2 C.) Pb+3 D.) Pb+4 E.)

In order for the reaction 2Al + 6HCl  2AlCl3 + 3H2 to occur, which of the following must be true? iRespond Question F Multiple Choice A.) Al must be above Cl on the activity series. B.) Al must be above H on the activity series. C.) Heat must be supplied for the reaction. D.) A precipitate must be formed. E.)

Complete a balanced equation for the following reaction. Ag(s) + KNO3(aq)  iRespond Question F Multiple Choice A.) AgNO3 + K B.) AgK + NO3 C.) AgKNO3 D.) No reaction E.)

F Multiple Choice iRespond Question A double-replacement reaction takes place when aqueous Na2CO3 reacts with aqueous Sn(NO3)2. You would expect one of the products of this reaction to be ________. A.) NaNO3 B.) NaSn C.) Sn(CO3)2 D.) CNO3 E.)

iRespond Question F What is the balanced chemical equation for the reaction that takes place between bromine and sodium iodide? Multiple Choice A.) Br2 + NaI  NaBr2 + I B.) Br2 + 2NaI  2NaBr + I2 C.) Br + NaI2  NaBrI2 D.) Br + NaI2  NaBr + I2 E.)