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Copy of Exit Ticket - Balancing Equations (5/28/2026)

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Last updated about 2 hours ago
10 questions
1
1
1
1
1
1
1
1
1
1
Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Question 9
9.

Question 10
10.

What is the balanced equation for H2 + O2 →?
2 H2 + O2 → H2O2
H2 + O2 → H2O
H2 + O2 → 2 H2O
2 H2 + O2 → 2 H2O
Which coefficient balances Fe + O2 → Fe2O3?
4
3
2
1
No coefficient used
Balance: C3H8 + O2 → CO2 + H2O. What is the coefficient for O2?
1
5
3
2
4
Balance Na + Cl2 → NaCl. What is the coefficient for Na?
3
2
No coefficient used
1
4
In balancing: 2 Na + Cl2 → 2 NaCl, what remains unchanged?
Reactants
Sodium coefficient
Chlorine coefficient
Products
The number of atoms
Which coefficient balances: Ca + O2 → CaO?
2
No coefficient used
3
4
1
Balance N2 + H2 → NH3. What is the coefficient for N2?
3
1
4
no coefficient used
2
What is the balanced form of C4H10 + O2 →?
C4H10 + 2 O2 → CO2 + H2O
C4H10 + O2 → CO2
2 C4H10 + 13 O2 → 8 CO2 + 10 H2O
C4H10 + 5 O2 → CO2 + H2O
In balancing equations, which law must be followed?
Law of Conservation of Mass
Law of Multiple Proportions
Law of Definite Proportions
Law of Multiple Possibilities
Ideal Gas Law
Which coefficient balances this equation: C3H8 + O2 → CO2 + H2O?
2
3
No coefficient used
4
5