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- 1. Multiple Choice_P4+_O2 → _P2O33 P4+1 O2 → 2 P2O31 P4+1 O2 → 2 P2O31 P4+ 3 O2 → 2 P2O31 P4+ 2 O2 → 3 P2O3
- 2. Multiple Choice_AgNO3 + _Cu →_Cu(NO3)2 + _Ag2 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 1 Ag2 AgNO3 + 1 Cu → 1 Cu(NO3)2 + 2 Ag1 AgNO3 + 2 Cu → 2 Cu(NO3)2 + 1 Ag3 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 2 Ag
- 3. Multiple Choice_BaS + _PtF2 → _BaF2 + _PtS1 BaS + 1 PtF2 → 1 BaF2 + 1 PtS4 BaS + 2 PtF2 → 1 BaF2 + 1 PtS1 BaS + 2 PtF2→ 2 BaF2 + 2 PtS1 BaS + 3 PtF2 →1 BaF2 + 2 PtS
- 4. Multiple Choice_AlBr3 + _K2SO4 → _KBr + _Al2(SO4)36 AlBr3 + 1 K2SO4 → 6 KBr + 1 Al2(SO4)32 AlBr3 + 3 K2SO4 → 6 KBr + 1 Al2(SO4)31 AlBr3 + 1 K2SO4 → 2 KBr + 3 Al2(SO4)32 AlBr3 + 3 K2SO4 → 1 KBr + 2 Al2(SO4)3
- 5. Multiple Choice_SO2 + _Li2Se →_SSe2 + _Li2O1 SO2 + 2 Li2Se → 1 SSe2 + 2 Li2O1 SO2 + 1 Li2Se → 2 SSe2 + 2 Li2O2 SO2 + 2 Li2Se → 2 SSe2 + 2 Li2O2 SO2 + 2 Li2Se → 1 SSe2 + 1 Li2O
- 6. Multiple Choice_Al + _HCl →_H2 + _AlCl32 Al + 2 HCl → 2 H2 + 6 AlCl33 Al + 3 HCl → 6 H2 + 2 AlCl31 Al + 1 HCl → 3 H2 + 1 AlCl32 Al + 6 HCl → 3 H2 + 2 AlCl3
- 7. Multiple Choice_K + _Cl2 →_KCl2 K + 16 Cl2 → 8 KCl2 K + 1 Cl2 → 2 KCl3 K + 4 Cl2 → 3 KCl1 K + 1 Cl2 →1 KCl
- 8. Multiple Choice_NaF + _Br2 →_NaBr + _F21NaF + 2 Br2 →1 NaBr + 2 F22NaF + 2 Br2 → 2 NaBr + 2 F22 NaF + 3 Br2 → 1 NaBr + 2 F22 NaF + 1 Br2 → 2 NaBr + 1 F2
- 9. Multiple ChoiceBalance this equation, Al2O3 ---> Al + O2Cannot be balanced2Al2O3 ---> 2Al + 3O22Al2O3 ---> 4Al + 3O23Al2O3 ---> 2Al + O2
- 10. Multiple ChoiceBalance this equation: H2 + N2 → NH3H2 + 4N2 → NH3H2 + 3N2 → 2NH33H2 + N2 → 2NH32H2 + 2N2 → 2NH3
- 11. Multiple ChoiceHow many total atoms are represented? 4Al2O328520
- 12. Multiple ChoiceSubstances that enter into a chemical reaction (found to the left side of the arrow)productreactantchemicalbalanced equation
- 13. Multiple ChoiceThe large number in front of a chemical formula or compound is the ___________.coefficientproductphysicalchemical
- 14. Multiple Choice
In every balanced chemical equation, each side of the equation has the same number of ____.coefficientsmolesmoleculesatoms of each element - 15. Multiple ChoiceIs the following equation balanced or unbalanced?
Fe + S --> FeSbalancedunbalanced - 16. Multiple ChoiceWhen balancing equations what does
-->
mean?subscriptequalsit is just an arrowyield - 17. Multiple ChoiceWhat is the part of the chemical equation in green called?
Fe + S --> FeSproductsreactantsyieldchemical formula - 18. Multiple ChoiceHow many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O32614
- 19. Multiple ChoiceHow many atoms are there TOTAL in:
H2SO46573 - 20. Multiple Choice___________________ are the elements or compounds that are formed in a chemical
reaction.PolymersBondsReactantsProducts - Answer choicesTagsAnswer choicesTags