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02:31 Mixture of Gases Mixture of Gases	Mixture of Gases Finding partial pressures from the percentages a mixture of gases. Using them to find total pressure. Question: How do we find total pressure from a mixture of gases? gas mixture mixtures chemistry chem chem 101 101 From tutoringcenter 0 likes 4 plays 0
01:56 Chemical and Physical Change Chemical and Physical Change	Chemical and Physical Change Physical and chemical change. Questions: What is physical change? compounds mixtures compounds and mixtures chemistry chem chem 101 From tutoringcenter 0 likes 17 plays 0