What is the initial number of nitrogen atoms on the reactant side in the decomposition of hydrazine?

Balancing Chemical Equations Concepts

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Chemistry
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9th - 10th Grade
•
Hard

Emma Peterson
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4
3
2
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are initially present on the product side before balancing?
2
6
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step suggested to balance the hydrogen atoms?
Add a coefficient of 3
Add a coefficient of 2
Add a coefficient of 1
Add a coefficient of 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After adjusting the hydrogen atoms, what is the new total of hydrogen atoms on the product side?
12
10
6
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is suggested to be placed in front of N2H4 to balance the nitrogen atoms?
4
2
1
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of changing the coefficient of NH3 to 3?
12 hydrogens
10 hydrogens
8 hydrogens
14 hydrogens
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it suggested to balance hydrogen atoms first in this equation?
Hydrogen is more reactive
Nitrogen is more abundant
Nitrogen is isolated
Hydrogen is easier to balance
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