Balancing Chemical Equations Flashcard
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, reflecting the conservation of mass.
2.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.
3.
FLASHCARD QUESTION
Front
How do you balance a chemical equation?
Back
To balance a chemical equation, adjust the coefficients of the reactants and products until the number of atoms of each element is the same on both sides.
4.
FLASHCARD QUESTION
Front
What is the balanced equation for the combustion of methane?
Back
@@CH_4 + 2O_2 ightarrow CO_2 + 2H_2O@@.
5.
FLASHCARD QUESTION
Front
How many moles of oxygen are needed to completely react with 1 mole of methane?
Back
2 moles of oxygen are needed.
6.
FLASHCARD QUESTION
Front
What is the balanced equation for the formation of water from hydrogen and oxygen?
Back
@@2H_2 + O_2 ightarrow 2H_2O@@.
7.
FLASHCARD QUESTION
Front
How many moles of hydrogen are required to react with 10 moles of nitrogen to produce ammonia?
Back
30 moles of hydrogen are required.
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