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Balancing Chemical Reactions

Authored by Courteney Hinkson

Chemistry

9th - 12th Grade

NGSS covered

Used 105+ times

Balancing Chemical Reactions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance this equation:  H2 + N2 → NH3

 H2 + 4N2 → NH3

 H2 + 3N2 → 2NH3

 3H2 + N2 → 2NH3

 2H2 + 2N2 → 2NH3

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance this equation,            Al2O3 ---> Al + O2 

Cannot be balanced

2Al2O3 ---> 2Al + 3O2 

2Al2O3 ---> 4Al + 3O2 

3Al2O3 ---> 2Al + O2 

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_BaS + _PtF2  _BaF2 + _PtS

BaS + PtF2 → BaF2 + PtS

4 BaS + 2 PtF2 → BaF2 +  PtS

BaS + 2 PtF2→ 2 BaF2 +  2 PtS

BaS + 3 PtF2 → BaF2 +  2 PtS

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_Al + _HCl →_H2 + _AlCl3

2 Al + 2 HCl → 2 H2 + 6 AlCl3
3 Al + 3 HCl → 6 H2 + 2 AlCl3

Al + HCl → 3 H2 + AlCl3

2 Al + 6 HCl → 3 H2 + 2 AlCl3

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_K + _Cl2 _KCl

2 K + 16 Cl2 → 8 KCl

2 K + Cl2 → 2 KCl

3 K + 4 Cl2 → 3 KCl

K + Cl2 →KCl

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_AlBr3 + _K2SO _KBr + _Al2(SO4)3

6 AlBr3 + K2SO4 → 6 KBr + Al2(SO4)3

2 AlBr3 + 3 K2SO→ 6 KBr + Al2(SO4)3

AlBr3 + K2SO→ 2 KBr + 3 Al2(SO4)3

2 AlBr3 + 3 K2SO→ KBr + 2 Al2(SO4)3

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_SO2 + _Li2Se _SSe2 + _Li2O

SO2 + 2 Li2Se → SSe2 + 2 Li2O

SO2 + Li2Se → 2 SSe2 + 2 Li2O

2 SO2 + 2 Li2Se → 2 SSe2 +  2 Li2O

2 SO2 + 2 Li2Se → SSe2 + Li2O

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-2

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