What is the initial chemical equation discussed in the video?

Balancing Chemical Equations

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

Ethan Morris
FREE Resource
Read more
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KBrO3 -> KBr + O2
KBrO3 -> K + Br2 + O2
KBrO3 -> KBrO + O2
KBrO3 -> KBr + O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present on the product side initially?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step taken to balance the oxygen atoms?
Add more O2
Multiply KBrO3 by two
Multiply O2 by three
Add more KBrO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After multiplying KBrO3 by two, how many oxygen atoms are on the reactant side?
Five
Seven
Four
Six
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of O2 to balance the oxygen atoms?
Four
Three
Two
One
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the imbalance of potassium and bromine atoms corrected?
By adding more KBr
By multiplying KBr by two
By adding more KBrO3
By multiplying KBrO3 by three
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for the decomposition of potassium bromate?
2 KBrO3 -> KBr + 2 O2
KBrO3 -> KBr + O2
KBrO3 -> 2 KBr + 3 O2
2 KBrO3 -> 2 KBr + 3 O2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key trick mentioned for balancing equations with odd-numbered oxygen atoms?
Add more reactants
Convert odd numbers to even
Use fractional coefficients
Ignore the imbalance
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the narrator of the video?
Dr. D
Dr. C
Dr. A
Dr. B
Similar Resources on Wayground
6 questions
Balancing Chemical Equations and Chlorine

Interactive video
•
9th - 10th Grade
7 questions
Chromium Compounds and Properties

Interactive video
•
9th - 10th Grade
6 questions
Balancing Chemical Equations Practice

Interactive video
•
9th - 10th Grade
7 questions
Balancing Oxygen Reactions

Interactive video
•
9th - 10th Grade
8 questions
Potassium Bromide Properties and Formulas

Interactive video
•
9th - 10th Grade
9 questions
Balancing Chemical Equations

Interactive video
•
9th - 10th Grade
7 questions
Balancing Magnesium and Oxygen Reactions

Interactive video
•
9th - 10th Grade
7 questions
Balancing Chemical Equations

Interactive video
•
9th - 10th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade
Discover more resources for Chemistry
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade