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Balancing Equations Practice

Balancing Equations Practice. ___ P + ___ O 2  ___ P 4 O 10. ___CO 2 + ___NH 3  ___OC(NH 2 ) 2 + __H 2 O. ___ Al 2 O 3  ___ Al + ___ O 2. __AlBr 3 + __K 2 SO 4  __KBr + __Al 2 (SO 4 ) 3. ___ Zn + ___ HCl  ___ ZnCl 2 + ___ H 2. ___ HgO  ___ Hg + ___ O 2.

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Balancing Equations Practice

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  1. Balancing Equations Practice

  2. ___ P + ___ O2 ___ P4O10

  3. ___CO2 + ___NH3 ___OC(NH2)2 + __H2O

  4. ___ Al2O3 ___ Al + ___ O2

  5. __AlBr3 + __K2SO4 __KBr + __Al2(SO4)3

  6. ___ Zn + ___ HCl  ___ ZnCl2 + ___ H2

  7. ___ HgO  ___ Hg + ___ O2

  8. ___ Mg + ___ O2  ___ MgO

  9. The reaction below shows Chlorine (Cl) reacting with oxygen (O2) to form Cholrine oxide (ClO2). The mass of Chlorine is 25 grams and the mass of oxygen is 42 grams. What mass of Chlorine oxide is produced? a. 17 grams b. 39 grams c. 67 grams d. 71 grams

  10. In the chemical reaction below, sodium (Na) and chlorine (Cl) combine to form sodium chloride (NaCl). 2Na + Cl2 → 2NaCl If the combined mass of the starting reactants is 50 grams, then the mass of sodium chloride formed once the reaction has reached completion • will be less than 50 grams. • will be exactly 100 grams. • will be exactly 50 grams. • will be between 50 and 100 grams

  11. In a chemical reaction, the total mass of the reactants is 10.0 grams. After the reaction, the total mass of the products must be: • less than 10.0 grams. • exactly 20.0 grams. • more than 10.0 grams. • exactly 10.0 grams.

  12. __BaCl2 + __H2SO4 __BaSO4 + __HCl

  13. ___ Ca(ClO3)2  ___CaCl2 + ___ O2

  14. __C2H5OH + __O2 __CO + __H2O

  15. ___ Zn + ___ HCl  ___ ZnCl2 + ___ H2

  16. __Al(NO3)3 + __NaOH  __Al(OH)3 + __NaNO3

  17. ____ C10H16 + ___ Cl2  ___ C + ___ HCl

  18. ____ Ag2O  ____ Ag + ____O2

  19. ___BaF2 + __K3PO4 __Ba3(PO4)2 + ___KF

  20. ___ I4O9 ___ I2O6 + ___ I2 + ___ O2

  21. __ KMnO4 + __ HCl __ KCl + __ MnCl2 + __ H2O + __ Cl2

  22. ___ C3H8 + ___O2 ___ CO2 + ___ H2O

  23. __ Al2O3 + __ Fe  __ Fe3O4 + __ Al

  24. ___ P4O10 + ___H2O   ___H3PO4

  25. __Al + __H2SO4  __Al2(SO4)3 + __H2

  26. __Be2C +  __H2O  __Be(OH)2 + __CH4

  27. ___ Fe + ___ O    ___ Fe2O3

  28. __S + __HNO3 __H2SO4 + __NO2 + __H2O

  29. __NH3 + __CuO  __Cu + __N2 + __H2O

  30. __Cu + __HNO3__Cu(NO3)2 + __NO  + __H2O

  31. Al2(SO3)3  +  NaOH    Na2SO3   +  Al(OH)3

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