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CHEM 115: Proficiency Quiz

CHEM 115 Proficiency Quiz

This is a chemistry proficiency quiz to evaluate your knowledge in concepts of general chemistry and mathematics and your preparedness for Chemistry 115: General Chemistry II. You may utilize a scientific calculator and a periodic table for this quiz. Abstain from using notes, textbooks, or any other resources while you complete this quiz.
  • _____Cu2O(s) + _____O2(g) → _____CuO(s)?
  • 2A(aq) + B(aq) → A2B(s)
  • 2NaOH (s) + 2Al (s) + 6H2O (l) ➔ 2NaAl(OH)4 (s) + 3H2 (g)
  • Enthalpies of Formation:
    H2 (g): 0.0 kJ/mol
    NH3 (g): -46.1 kJ/mol
    N2 (g): 0.0 kJ/mol
    N2H4 (g): 95.4 kJ/mol
  • 5Fe2+ + MnO4- + 8H+ ➔ Mn2+ + 5Fe3+ + 4H2O
  • H2O (l) + ClO- (aq) + 2I- (aq) ➔ I2 (s) + Cl- (aq) + 2OH- (aq)
  • _____NO3- (aq) + _____Cu(s) → _____NO(g) + ______Cu2+ (aq)