Stoichiometry Practice Flashcard

Stoichiometry Practice Flashcard

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is stoichiometry?

Back

Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.

2.

FLASHCARD QUESTION

Front

What is a limiting reactant?

Back

A limiting reactant is the substance that is completely consumed in a chemical reaction, limiting the amount of product that can be formed.

3.

FLASHCARD QUESTION

Front

What is an empirical formula?

Back

An empirical formula is the simplest whole-number ratio of atoms of each element in a compound.

4.

FLASHCARD QUESTION

Front

Given the reaction: Cl2 + 2KBr → Br2 + 2KCl, how do you determine the amount of product formed?

Back

Use stoichiometric calculations based on the balanced equation and the amount of the limiting reactant.

5.

FLASHCARD QUESTION

Front

What is the mole ratio in the reaction 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe?

Back

The mole ratio of MgO to Fe is 3:2.

6.

FLASHCARD QUESTION

Front

How do you calculate the number of moles from grams?

Back

Use the formula: Moles = Mass (g) / Molar Mass (g/mol).

7.

FLASHCARD QUESTION

Front

What is the balanced equation for the combustion of hydrogen?

Back

2H2 + O2 → 2H2O.

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