Unit 4 Stoichiometry Review

Unit 4 Stoichiometry Review

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the right part of a chemical equation called?

Back

Products

2.

FLASHCARD QUESTION

Front

Is the equation 2H2 + O2 --> 2H2O balanced?

Back

No

3.

FLASHCARD QUESTION

Front

What are the units for molar mass?

Back

grams/mole

4.

FLASHCARD QUESTION

Front

If 195 grams of ethane (C2H6) combusted with excess oxygen, how many grams of CO2 were produced in the reaction 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O?

Back

572 grams of CO2

5.

FLASHCARD QUESTION

Front

Given that the molar mass of CO2 is 44.01 g/mol, what is the percent composition of carbon?

Back

27.29%

6.

FLASHCARD QUESTION

Front

What is stoichiometry?

Back

The calculation of reactants and products in chemical reactions.

7.

FLASHCARD QUESTION

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

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