What are the initial counts of nitrogen, hydrogen, and fluorine atoms on the reactant side of the equation?

Balancing Chemical Equations

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Chemistry
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9th - 10th Grade
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Hard

Sophia Harris
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 nitrogens, 1 hydrogen, 2 fluorines
1 nitrogen, 2 hydrogens, 3 fluorines
2 nitrogens, 3 hydrogens, 1 fluorine
1 nitrogen, 3 hydrogens, 2 fluorines
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on the product side before balancing?
1 hydrogen
2 hydrogens
3 hydrogens
4 hydrogens
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of HF to balance the hydrogen atoms?
3
5
2
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After adjusting the coefficient for HF, how many fluorine atoms are on the product side?
7 fluorines
5 fluorines
4 fluorines
6 fluorines
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used in front of F2 to balance the fluorine atoms?
2
3
5
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for the reaction?
NH3 + 2F2 → 2HF + NF3
2NH3 + 3F2 → 6HF + 2NF3
NH3 + F2 → HF + NF3
NH3 + 3F2 → 3HF + NF3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of fluorine atoms on each side of the balanced equation?
4 fluorines
5 fluorines
7 fluorines
6 fluorines
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