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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Chemistry, 22.06.2019 02:20
Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .
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Chemistry, 22.06.2019 20:30
Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback
Answers: 2
3. classify each of the following materials as a pure substance or mixture. if it is a pure substanc...
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