Regents Chemistry-Stoichiometry

Regents Chemistry-Stoichiometry

Assessment

Quiz

Chemistry

9th - 12th Grade

Easy

NGSS
HS-PS1-7

Standards-aligned

Used 43+ times

FREE Resource

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the following chemical equation:

4 Al + 3 O2 → 2 Al2O3

How many moles of aluminum oxide will be produced if 12 moles of aluminum are consumed?

12

4

8

6

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the following chemical equation:

CH4 + 2 O2 → 2 H2O + CO2

How many moles of oxygen must be consumed in order to produce 5 moles of carbon dioxide.

10

5

8

15

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the following chemical equation: 4 Al  +  3 O2  →  2 Al2O3. How many moles of aluminum oxide will be produced if 12 moles of oxygen are consumed?
8
12
4
6

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the following chemical equation:

2 Al + 3 CuCl2 → 3 Cu + 2 AlCl3

How many moles of copper (II) chloride must be consumed in order to produce 12 moles of aluminum chloride?

14

6

12

18

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the reaction

2RbNO3 → 2RbNO2 + O2

how many moles of O2 are produced when 5.0 mol of RbNO3 decompose?

1.0 mol

2.5 mol

3.0 mol

7.5 mol

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the equation

N2 + 3H2 --> 2NH3

what is the total number of moles of NH3 produced when 10 moles of H2 reacts completely with N2?

6.7

2.0

3.0

15.0

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the mole ratio of H2O to H3PO4 in the following chemical equation?

P4O10 + 6 H2O --> 4 H3PO4

6:4

4:6

1:3

3:1

Tags

NGSS.HS-PS1-7

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