CHEM 1411; Calculate the percent recovery of copper undergoing a series of reactions

  1. What is the oxidation number of S in each of the following substances?

  • H2S

  • H2SO4

  • HS

  • SO3 2‒

  • SO3

  • SO2

  • Na2S2O3

  • K2S

  1. Using the activity series, which of the following reactions will occur? Write yes or no by each reaction to indicate if the reaction will occur or not.

  • Au (s) + NaBr (aq) ®

  • Mg (s) + CuSO4 (aq) ®

  • KBr (aq) + Zn (s)  ®

  • AgNO3 (aq) + Cu (s)  ®

  • Zn (s) + Al2(SO4)3 (aq) ®

  1. Indicate the reaction type for each of the following reactions.

Equation

Reaction Type

2C + O® 2CO

Cl2 + 2NaBr ® 2NaCl + Br2

2N2O5 ® 2N2O4 + O

LiOH + HNO3 ® LiNO3 + H2O

2H2O ® 2H2 + O

2Mg + TiCl4 ® Ti  + 2MgCl2

BaCl2 + (NH4)2CO3 ® BaCO3 + 2NH4Cl

  1. Write the following balanced equations.

  • Solid iron(III) sulfide reacts with gaseous hydrogen chloride.

  • Magnesium combines with nitrogen.

  • Zinc reacts with silver chloride.

DETAILED ASSIGNMENT

20200916181748chem_1411__rxns_of_cu_lab_july_2020_late_lab__1_

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