1. Matter and Measurements
Classification of Matter
2:04 minutes
Problem 43
Textbook Question
Textbook QuestionHydrogen peroxide, often used in solutions to cleanse cuts and scrapes, breaks down to yield water and oxygen: Hydrogen peroxide, H₂O₂ (aq) → Hydrogen, H₂ (g) + Oxygen, O₂ (g) b. Which of the substances are chemical compounds, and which are elements?
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