Chemistry, 07.07.2019 21:30, ghernadez

3. classify each of the following materials as a pure substance or mixture. if it is a pure substance, indicate if it is an element or a compound. if it is a mixture, indicate if it is a homogeneous mixture or heterogeneous. (2 points each) questions 1. the copper in a copper wire 2. gatorade 3. chocolate chip ice cream 4. sugar (c12h22o11) 5. glitter nail polish 6. diamond (c) 7. salt (nacl) 8. air 9. helium gas 10. carbon dioxide gas 11. coffee 12. caffeine (c8h10n4o2) 13. tomato soup 14. chicken noodle soup 15. brass 16. pure water 17. pure iron 18. sweat 19. baking soda (nahco3)

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