Question
Quiz
Question 1 (3 points)
Listen
Give the coefficients to balance the following equation:
Na2O2
+
H2O
→
NaOH
+
O2
Question 1 options:
2,4,2,1
2,3,2,1
2,2,2,1
2,2,4,1
Question 2 (3 points)
Listen
The first thing that you should do when balancing equations,
Question 2 options:
is count the atoms on each side of the equation
add to the elements subscripts
balance the hydrogen and oxygen atoms
add coefficients
Question 3 (3 points)
Listen
Sometimes you will be asked to give the coefficients of the balanced equation by themselves. When you do, you must
Question 3 options:
show all coefficients, even if it's a one.
show just the coefficients in the reactants side.
show just the coefficients in the product side.
show just the coefficients that are more than one.
Question 4 (3 points)
Listen
Give the coefficients to balance the following equation:
Li2O
+
H2O
→
LiOH
Question 4 options:
1,1,1
1,2,1
1,1,2
2,2,1
Question 5 (3 points)
Listen
When balancing an equation, you should always
Question 5 options:
add new elements
balance the oxygen and hydrogen in the equation last.
add to the elements subscripts
0 of 5 questions saved
Listen
Question 1 (3 points)
Listen
Give the coefficients to balance the following equation:
Na2O2
+
H2O
→
NaOH
+
O2
Question 1 options:
2,4,2,1
2,3,2,1
2,2,2,1
2,2,4,1
Question 2 (3 points)
Listen
The first thing that you should do when balancing equations,
Question 2 options:
is count the atoms on each side of the equation
add to the elements subscripts
balance the hydrogen and oxygen atoms
add coefficients
Question 3 (3 points)
Listen
Sometimes you will be asked to give the coefficients of the balanced equation by themselves. When you do, you must
Question 3 options:
show all coefficients, even if it's a one.
show just the coefficients in the reactants side.
show just the coefficients in the product side.
show just the coefficients that are more than one.
Question 4 (3 points)
Listen
Give the coefficients to balance the following equation:
Li2O
+
H2O
→
LiOH
Question 4 options:
1,1,1
1,2,1
1,1,2
2,2,1
Question 5 (3 points)
Listen
When balancing an equation, you should always
Question 5 options:
add new elements
balance the oxygen and hydrogen in the equation last.
add to the elements subscripts
0 of 5 questions saved
Listen
Answers
Answered by
GPT-4o mini
Here are the answers to your quiz questions:
**Question 1:**
To balance the equation \( \text{Na}_2\text{O}_2 + \text{H}_2\text{O} \rightarrow \text{NaOH} + \text{O}_2 \), the correct coefficients are:
**Answer: 2,2,4,1**
**Question 2:**
The first thing that you should do when balancing equations is:
**Answer: count the atoms on each side of the equation**
**Question 3:**
When you are asked to give the coefficients of the balanced equation by themselves, you must:
**Answer: show all coefficients, even if it's a one.**
**Question 4:**
To balance the equation \( \text{Li}_2\text{O} + \text{H}_2\text{O} \rightarrow \text{LiOH} \), the correct coefficients are:
**Answer: 1,2,2**
**Question 5:**
When balancing an equation, you should always:
**Answer: balance the oxygen and hydrogen in the equation last.**
Make sure to check your work and understanding of balancing chemical equations!
**Question 1:**
To balance the equation \( \text{Na}_2\text{O}_2 + \text{H}_2\text{O} \rightarrow \text{NaOH} + \text{O}_2 \), the correct coefficients are:
**Answer: 2,2,4,1**
**Question 2:**
The first thing that you should do when balancing equations is:
**Answer: count the atoms on each side of the equation**
**Question 3:**
When you are asked to give the coefficients of the balanced equation by themselves, you must:
**Answer: show all coefficients, even if it's a one.**
**Question 4:**
To balance the equation \( \text{Li}_2\text{O} + \text{H}_2\text{O} \rightarrow \text{LiOH} \), the correct coefficients are:
**Answer: 1,2,2**
**Question 5:**
When balancing an equation, you should always:
**Answer: balance the oxygen and hydrogen in the equation last.**
Make sure to check your work and understanding of balancing chemical equations!