Limiting/Excess Reactants

Limiting/Excess Reactants

Assessment

Flashcard

Science

11th 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 first step in solving a stoichiometric problem?

Back

Write a balanced chemical equation.

2.

FLASHCARD QUESTION

Front

What is an excess reactant?

Back

A reactant that remains after a chemical reaction stops.

3.

FLASHCARD QUESTION

Front

In the reaction P4 + 3O2 → P4O6, if 12 moles of P4 react with 15 moles of O2, what is the limiting reactant?

Back

O2

4.

FLASHCARD QUESTION

Front

Where are mole ratios obtained from?

Back

Balanced chemical equation.

5.

FLASHCARD QUESTION

Front

In the reaction 4NH3 + 6NO → 5N2 + 6H2O, what is the limiting reactant if 10 moles of NH3 react with 30.0 moles of NO?

Back

NH3

6.

FLASHCARD QUESTION

Front

Define limiting reactant.

Back

The reactant that is completely consumed in a chemical reaction, limiting the amount of product formed.

7.

FLASHCARD QUESTION

Front

What is stoichiometry?

Back

The calculation of reactants and products in chemical reactions.

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