WASTE

Lectures
Dr. Brigitte Schwederski

Exercises

Balance the following equations:

CuS + nitric acid → Cu2+ + S + NO

Zn + dilute nitric acid → Zn2++ NH4+

CdS + I2 → Cd2++ I- + S in acidic solution

Bi2O3 + OCl- → BiO3- + Cl in basic solution

Cr2O72- + SnCl2 → Cr3++ SnCl4 in acidic solution

Ag + potassiumcyanide + oxygen → Ag(CN)2- + OH-

NH3 + O2 → NO + H2O

CuO + NH3 → N2 + Cu

Sn + nitric acid → SnO2+ NO2

I2 + nitric acid → IO3- + NO2

potassium bromide + sulfuric acid → bromine + SO2

P2H4 → PH3 + P4H2

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