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Check Atom Conservation Practice Test
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Q1
Particle model for decomposing hydrogen peroxide (colors: H = white, O = red).
Reactants (before): 2 molecules H₂O₂
- H₂O₂: (H–O–O–H) and (H–O–O–H)
Products (after): 2 molecules H₂O and 1 molecule O₂
- H₂O: (H–O–H) and (H–O–H)
- O₂: (O–O)
Complete the conservation check by choosing the correct counts for H and O before and after.
Particle model for decomposing hydrogen peroxide (colors: H = white, O = red).
Reactants (before): 2 molecules H₂O₂
- H₂O₂: (H–O–O–H) and (H–O–O–H)
Products (after): 2 molecules H₂O and 1 molecule O₂
- H₂O: (H–O–H) and (H–O–H)
- O₂: (O–O)
Complete the conservation check by choosing the correct counts for H and O before and after.