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Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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Chemistry, 23.06.2019 11:20
Match each state of matter with the statement that best describes it.
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Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated, and after the water...
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