Balancing Chemical Equations
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing the equation LiH + H2O?
Change the coefficients randomly
Count the number of electrons
Count the number of atoms on each side
Add more reactants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are there in total on the reactant side of the equation?
Four
Two
One
Three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of oxygen atoms on the product side?
Three
One
Zero
Two
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What common mistake might lead to an incorrect balance of the equation?
Counting lithium atoms twice
Forgetting to count all hydrogen atoms
Adding extra oxygen atoms
Ignoring the coefficients
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced equation for the reaction between lithium hydride and water?
LiH + H2O → LiO + H3
LiH + H2O → LiH2O + H
LiH + H2O → Li + H2O
LiH + H2O → LiOH + H2
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