1 / 22

Answers

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 + CuSO 4  ZnSO 4 + Cu. iRespond Question.

lawrence-oneill
Download Presentation

Answers

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 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

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

  3. iRespond Question Multiple Choice F 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.)

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

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

  6. iRespond Question Multiple Choice F 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.)

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

  8. iRespond Question Multiple Choice F 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

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

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

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

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

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

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

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

  16. iRespond Question Multiple Choice F 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.)

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

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

  19. In order for the reaction 2Al + 6HCl  2AlCl3 + 3H2 to occur, which of the following must be true? iRespond Question Multiple Choice F 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.)

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

  21. iRespond Question Multiple Choice F 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.)

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

More Related