Stoichiometry Regents Chemistry

Stoichiometry Regents Chemistry

12th Grade

25 Qs

quiz-placeholder

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Stoichiometry Regents Chemistry

Stoichiometry Regents Chemistry

Assessment

Quiz

Science

12th Grade

Hard

NGSS
HS-PS1-7, MS-PS1-5

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

1 to 6

3 to 2

4 to 6

2 to 3

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Knowing the mole ratio of a reactant and product in a chemical reaction would allow you to determine:

the energy released in the reaction.

the speed of the reaction.

whether the reaction is reversible.

the mass of the product produced from a known mass of reactant.

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction represented by the equation CH4(g) + O2(g) ----> CO2(g) + H2O(g), a mass of 125 g CH4is reacted with excess oxygen. The expression: is used to calculate the:

mass of oxygen redacted.

mass of carbon dioxide produced.

mass of water produced.

none of the above.

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2 : 1

1 : 1

3 : 2

6 : 8

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1 : 3

2 : 3

1 : 1

3 : 2

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For the reaction represented by the equation N_2+3H_{2}\rightarrow 2NH_3, how many moles of nitrogen (N2) are required to produce 18 grams of ammonia (NH3)?

0.9 mol

18 grams

0.53 mol

36 grams

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The most steps are required to solve stoichiometry problems when the reactant is given in grams and the product is sought in

moles.

grams.

liters.

number of atoms.

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