Stoichiometry / states of matter test review

Stoichiometry / states of matter test review

9th - 12th Grade

30 Qs

quiz-placeholder

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Stoichiometry / states of matter test review

Stoichiometry / states of matter test review

Assessment

Quiz

Science

9th - 12th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-5, HS-PS1-6

+1

Standards-aligned

Created by

Seth Grubb

Used 6+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Mole ratios are obtained from the
balanced chemical equation
periodic table
molar mass

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is an excess reactant?

amount you end with

what you run out of first

what you have left over

what you start with

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a limiting reactant?
the reactant that determines how much product can be made
the reactant that is in excess
the product that you can make the most of
the amount of reactants that react with each other

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

When does a chemical reaction stop?
When the lab is finished
When the excess reactant is used up
When the limiting reactant is used up
Chemical reactions never stop

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When reacting Na with Cl2, we calculated that the theoretical yield should be 13 grams. Our actual yield was 12.5 grams. What is the percent yield?

90.4%

104%

96.15%

1.04%

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
1.16%
116%
85%
76%

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is STP?

273 K and 2 atmospheres

0°C and 1 atmosphere

70°F and 1 atmosphere

20°C and 2 atmosphere

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