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Balancing Equations ANSWER KEY

Balancing Equations ANSWER KEY. __2__ Na +____ I 2  __2__ NaI. ___2_ KClO 3  __2__ KCl + __3__ O 2. ____ K 3 PO 4 + ___3_ HCl  __3__ KCl + ____ H 3 PO 4. ____ C 3 H 8 + __5__ O 2  ___3_ CO 2 +__4__ H 2 O. __2__ N 2 +____ O 2  __2__ N 2 O.

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Balancing Equations ANSWER KEY

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  1. Balancing EquationsANSWER KEY

  2. __2__ Na +____ I2__2__ NaI

  3. ___2_ KClO3__2__ KCl + __3__ O2

  4. ____ K3PO4 + ___3_ HCl__3__ KCl + ____ H3PO4

  5. ____ C3H8 + __5__ O2___3_ CO2+__4__ H2O

  6. __2__ N2 +____ O2__2__ N2O

  7. __2__ KI + ____ Cl2__2__ KCl + ____ I2

  8. __2__ C2H6 + _7__ O2__4_ CO2 + __6_ H2O

  9. __3_ Mg(NO3)2 + ___2 K3PO4 ____ Mg3(PO4)2 + _6__ KNO3

  10. _2_C10H22+ _31_ O2_20_ CO2 + _22_ H2O

  11. ___ Ca3(PO4)2 + __3_ SiO2 + __5_ C __3_ CaSiO3 + __5_ CO + __2_ P

  12. _10_ Rb + _2_ RbNO3__6 Rb2O + ___ N2

  13. _6__ K + ___ B2O3__3_ K2O + _2__ B

  14. ___ KOH + ___ HBr ___ KBr + ___ H2O

  15. Sodium oxide combines with water to form sodium hydroxide • Na2O+ H2O  2NaOH

  16. Nitrogen plus hydrogen produce ammonia. • N2 + 3 H2 2 NH3

  17. Sodium sulfate reacts with calcium nitrate to produce sodium nitrate and calcium sulfate. • Na2SO4 + Ca(NO3)2 2 NaNO3 + CaSO4

  18. Zinc reacts with iron(III) chloride yielding zinc chloride plus iron. • 3Zn + 2FeCl3  3ZnCl2 + 2Fe

  19. Hydrogen plus oxygen produce water. • 2H2 + O2 2H2O

  20. Sodium reacts with magnesium chloride yielding sodium chloride plus magnesium. • 2Na + MgCl2 2NaCl + Mg

  21. Aluminum bromide plus chlorine yield aluminum chloride and bromine • 2AlBr3 + 3Cl2 2AlCl3 + 3Br2

  22. Aluminum nitrate and sodium sulfide react to form aluminum sulfide and sodium nitrate. • 2 Al(NO3)3 + 3 Na2S  Al2S3 + 6 NaNO3

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