Stoichiometry & Pollutants Quiz

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Test your stoichiometry and pollution knowledge.

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rgc .

Mexico

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Froggy Jumps Stoichiometry & Pollutants QuizOnline version Test your stoichiometry and pollution knowledge. by rgc . 1 What does a stoichiometric coefficient indicate in a balanced equation? a Number of atoms in the reaction b Mole ratio of each substance c Mass of each substance 2 In 2H2 + O2 -> 2H2O, with 4 moles H2 and 3 moles O2, how many moles of H2O are produced? a 4 moles b 2 moles c 6 moles 3 True or False: Stoichiometry only applies to gas-phase reactions. a False b It only applies to liquids c True 4 What is the first step in solving a stoichiometry problem? a Calculate the molar mass b Measure the reactants c Balance the chemical equation 5 If the mass of a reactant is known, what must you find first for stoichiometry? a The coefficient in the equation b Moles of the reactant c Volume of the reactant 6 What is a limiting reactant? a The one that remains b The one that reacts slower c The one that is completely consumed first 7 True or False: The reactant left over after a reaction is called the excess reactant. a True b Depends on the reaction c False 8 In 2A + 3B -> C, if you have 5 moles A and 10 moles B, which is the limiting reactant? a B b A c C 9 Why is identifying the limiting reactant important? a To balance the equation b To predict the maximum amount of product c To discard a substance 10 A student gets less product than expected. What might have happened? a Equation not balanced b Incorrect temperature c The limiting reactant was consumed early

Froggy Jumps

Stoichiometry & Pollutants QuizOnline version

Test your stoichiometry and pollution knowledge.

by rgc .

What does a stoichiometric coefficient indicate in a balanced equation?

Number of atoms in the reaction

Mole ratio of each substance

Mass of each substance

In 2H2 + O2 -> 2H2O, with 4 moles H2 and 3 moles O2, how many moles of H2O are produced?

4 moles

2 moles

6 moles

True or False: Stoichiometry only applies to gas-phase reactions.

False

It only applies to liquids

True

What is the first step in solving a stoichiometry problem?

Calculate the molar mass

Measure the reactants

Balance the chemical equation

If the mass of a reactant is known, what must you find first for stoichiometry?

The coefficient in the equation

Moles of the reactant

Volume of the reactant

What is a limiting reactant?

The one that remains

The one that reacts slower

The one that is completely consumed first

True or False: The reactant left over after a reaction is called the excess reactant.

True

Depends on the reaction

False

In 2A + 3B -> C, if you have 5 moles A and 10 moles B, which is the limiting reactant?

Why is identifying the limiting reactant important?

To balance the equation

To predict the maximum amount of product

To discard a substance

A student gets less product than expected. What might have happened?

Equation not balanced

Incorrect temperature

The limiting reactant was consumed early

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Stoichiometry & Pollutants Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Stoichiometry & Pollutants QuizOnline version

by rgc .

What does a stoichiometric coefficient indicate in a balanced equation?

In 2H2 + O2 -> 2H2O, with 4 moles H2 and 3 moles O2, how many moles of H2O are produced?

True or False: Stoichiometry only applies to gas-phase reactions.

What is the first step in solving a stoichiometry problem?

If the mass of a reactant is known, what must you find first for stoichiometry?

What is a limiting reactant?

True or False: The reactant left over after a reaction is called the excess reactant.

In 2A + 3B -> C, if you have 5 moles A and 10 moles B, which is the limiting reactant?

Why is identifying the limiting reactant important?

A student gets less product than expected. What might have happened?

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