Westmount Secondary School Chemistry 30 C3 The Law of Conservation of Mass Answer Key

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Westmount Secondary School Chemistry 30 C3 The Law of Conservation of Mass Answer Key Unit C3: The Law of Conservation of Mass Answer Key Balance the following equations: 1. __4__ K + _____ O2 → ... __2__ K2O 2. _____ Zn + __2__ HCl → ____ ZnCl2 + _____ H2 3. __2__ AgNO3 + _____ CaI2 → _____ Ca(NO3)2 + __2__ AgI 4. __3__ Zn + __2__ H3PO4 → _____ Zn3(PO4)2 + __3__ H2 5. _____ Ca + __2__ H2O → _____ Ca(OH)2 + _____ H2 6. __3__ H2S + __2__ AsCl3 → _____ As2S3 + __6__ HCl 7. __2__ CO + _____ O2 → __2__ CO2 8. __3__ CaCl2 + _____ Al2(SO4)3 → __3__ CaSO4 + __2__ AlCl3 9. _____ (NH4)2Cr2O7 → _____ N2 + _____ Cr2O3 + __4__ H2O 10. __4__ NH3 + __3__ O2 → __2__ N2 + __6__ H2O 11. _____ C3H8 + __5__ O2 → __3__ CO2 + __4__ H2O 12. __6__ CO2 + __6__ H2O → __6__ O2 + _____ C6H12O6 Rewrite each of the following word equations as balanced chemical equations: 1. sodium chloride + fluorine gas → sodium fluoride + chlorine gas 2 NaCl + F2 → 2 NaF + Cl2 2. silver oxide → silver + oxygen gas 2 Ag2O → 4 Ag + O2 3. barium chloride + sodium sulfate → barium sulfate + sodium chloride BaCl2 + Na2SO4 → BaSO4 + 2 NaCl 4. sodium phosphate + calcium chloride → calcium phosphate + sodium chloride 2 Na3PO4 + 3 CaCl2 → Ca3(PO4)2 + 6 NaCl 5. copper + silver nitrate → silver + copper (II) nitrate Cu + 2 AgNO3 → 2 Ag + Cu(NO3)2 Unit C3: The Law of Conservation of Mass [Show More]

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