hydrogen peroxide (h₂o₂) can be used to lighten or bleach hair. it is produced on an industrial scale by reacting hydrogen (h₂) and oxygen (o₂) gases in the presence of a catalyst. this chemical reaction is represented by the model below. determine the number of each type of atom in the reactants and products.

Question

Accepted Answer

# Explanation:
## Step1: Count H atoms in reactants
Reactants are $H_2$ and $O_2$. In $H_2$, there are 2 H atoms.
## Step2: Count H atoms in products
Product is $H_2O_2$. In $H_2O_2$, there are 2 H atoms.
## Step3: Count O atoms in reactants
Reactants are $H_2$ and $O_2$. In $O_2$, there are 2 O atoms.
## Step4: Count O atoms in products
Product is $H_2O_2$. In $H_2O_2$, there are 2 O atoms.

# Answer:
|  | Number of atoms in reactants | Number of atoms in products |
|--|--|--|
| H | 2 | 2 |
| O | 2 | 2 |

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Question

Explanation:

Step1: Count H atoms in reactants

Step2: Count H atoms in products

Step3: Count O atoms in reactants

Step4: Count O atoms in products

Answer: