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Chem Semester 2 Review

Authored by Janelle Billings

Chemistry

9th - 12th Grade

Used 2+ times

Chem Semester 2 Review
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245 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.2 moles

4.5 moles

6 moles

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

2:2

1:1

2:1

1:2

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

2:2

1:1

2:1

1:2

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What can be determined from a balanced chemical equation?

Mole ratio of any two substances in the reaction
Energy released in the reaction.
Electron configuration of all elements in the reaction. 
Mechanism involved in the reaction. 

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Mole ratios are obtained from the

balanced chemical equation
periodic table
molar mass

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting

Percent
actual
stoichiometry
theoretical

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

When reacting Na with Cl2, we calculated that the theoretical yield should be 12.5 grams. Our actual yield was 9.0 grams. What is the percent yield?

100%

72%

96%

138%

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