Question

question 13 0.25 pts for the chemical reaction: 2h2 + o2 --> 2h2o which of the following is a reactant? (choose all that apply) h2 o2 h2o co2 question 14 0.25 pts which of the following molecules are also compounds? choose all that apply. oxygen carbon dioxide nitrogen water

Explanation:

In a chemical reaction, reactants are substances that participate in the reaction and are consumed to form products. In the reaction $2H_2 + O_2
ightarrow2H_2O$, $H_2$ and $O_2$ are reactants. A compound is a substance made up of two or more different types of elements chemically combined. Oxygen and nitrogen are elements, while carbon - dioxide ($CO_2$) and water ($H_2O$) are compounds.

Answer:

Question 13:
A. $H_2$
B. $O_2$
Question 14:
B. carbon dioxide
D. water