Question
A chemical equation is shown below
2H2O --> 2H2 + O2
Which substance is a reactant?
Responses
H2O
H 2 O
Oxygen Dihydride
Oxygen Dihydride
H2
H 2
O2
O 2
2H2O --> 2H2 + O2
Which substance is a reactant?
Responses
H2O
H 2 O
Oxygen Dihydride
Oxygen Dihydride
H2
H 2
O2
O 2
Answers
GPT-4o mini
The reactant in the chemical equation you provided is **H2O** (water). In this equation, H2O is the substance that undergoes a chemical change to form the products, which are H2 (hydrogen gas) and O2 (oxygen gas).