Use the chemical reaction to answer the question. 2H2+O2→2H2O There are four atoms of hydrogen ( H ) before th

Question

Use the chemical reaction to answer the question.

2H2+O2→2H2O
 

There are four atoms of hydrogen ( H
 ) before the reaction. How many atoms of hydrogen are present after the reaction?

(1 point)
Responses

5
5

4
4

8
8

2

GPT-5 mini · Answer

4

Explanation: atoms are conserved. Two H2 molecules contain 2×2 = 4 hydrogen atoms, and the two H2O molecules produced also contain 2×2 = 4 hydrogen atoms.

Use the chemical reaction to answer the question.

2H2+O2→2H2O

There are four atoms of hydrogen ( H
) before the reaction. How many atoms of hydrogen are present after the reaction?

(1 point)
Responses

5
5

4
4

8
8

2

All Answers 1

Submit Your Answer

Use the chemical reaction to answer the question. 2H2+O2→2H2O There are four atoms of hydrogen ( H ) before the reaction. How many atoms of hydrogen are present after the reaction? (1 point) Responses 5 5 4 4 8 8 2

All Answers 1

Submit Your Answer

Use the chemical reaction to answer the question.

2H2+O2→2H2O

There are four atoms of hydrogen ( H
) before the reaction. How many atoms of hydrogen are present after the reaction?

(1 point)
Responses

5
5

4
4

8
8

2