What is the initial number of hydrogen atoms on the reactant side of the equation?

Balancing Chemical Equations Concepts

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Ethan Morris
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sodium atoms are present on the product side before balancing?
1
3
2
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of changing the coefficients in a chemical equation?
To change the chemical properties
To alter the subscripts
To increase the reaction speed
To balance the number of atoms on both sides
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used for sodium (Na) to balance the equation?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What scientific law is confirmed when a chemical equation is balanced?
Law of Gravity
Law of Thermodynamics
Law of Conservation of Mass
Law of Motion
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