Balancing Equations

Balancing Equations

9th - 12th Grade

12 Qs

quiz-placeholder

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Balancing Equations

Balancing Equations

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

nora matell

Used 5+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Is this equation balanced?

yes
no
Not enough information
Left side is balanced

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation by filling in the blanks with coefficients:

PCl5 + ___H2O →___HCl + H3PO4

4, 5

1, 6

3, 8

2,2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which equation is balanced?

PbO2 + 2H2 → H2SO4

SO2 + H2O → H2SO4

2Na + 2H2O → 2NaOH + H2

2Na + H2O → 2NaOH + H2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation by filling in the blanks with coefficients:

___Zn + ___HCl → ___ZnCl2 + ___H2

1,1,2,1

1,1,1,2

1,2,1,1

2,1,1,1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation by filling in the blanks with coefficients:

___Mg + ___Cl2 → ___MgCl2

1, 2,1

already balanced

2,1,1

1,1,2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation:

P4 + O2 → P2O3

3P4 + O2 → 2P2O3

P4 + O2 → 2P2O3

P4 + 3O2 → 2P2O3

P4 + 2O2 → 3P2O3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should the total mass of the reactants compare to the total mass of the products?

the product is doubled

the product is half the mass of the reactants

the mass is the same

the mass changes depending on the reaction

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