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Compare and contrast physical changes with chemical changes.
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This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
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Chemistry, 23.06.2019 05:30
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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What is the molar concentration of potassium ions in a 0.250 m k2so4(aq) solution?...
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