

Balancing Chemical Reactions
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the reactants in the chemical equation discussed in the video?
Tetraphosphorus and iodine gas
Phosphorus tri-iodide and oxygen
Hydrogen and oxygen
Carbon dioxide and water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it suggested to change the number of phosphorus atoms to an even number?
To make the equation more complex
To simplify the balancing of iodine atoms
To ensure the phosphorus atoms are balanced
To increase the number of products
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of phosphorus atoms in the reactants?
Four
Two
Six
Eight
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many iodine molecules are needed to balance the equation?
Twelve
Eight
Six
Four
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for the reaction?
P4 + 6I2 → 4PI3
P4 + 4I2 → 2PI3
P4 + 12I2 → 4PI3
P4 + 3I2 → 2PI3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the presenter of the video?
Dr. D
Dr. C
Dr. B
Dr. A
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