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4 Qs

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Assessment

Quiz

Chemistry

Hard

Created by

Nohora Vargas

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4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

CH4  +  2O2  →  CO2  +  2H2O
24 grams of CH4 was added to the above reaction. Calculate the theoretical yield of CO2.

66 grams
132 grams
33 grams
8.72

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When reacting Na with Cl2, we calculated that the theoretical yield should be 12.5 grams. Our actual yield was 13.0 grams. What is the percent yield?

100%
104%
96%
1.04

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.

1.16%
116%
85%
76%

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