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Chemistry, 22.06.2019 23:30
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
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Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
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Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration
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Hydrogen gas can be prepared by reacting metallic sodium with water: 2na(s) + 2h2o(l) → h2(g) + 2na...
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