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What kinds of molecules can pass through the cell membrane without any problem?
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Aquantity of gas has a volume of 18 m3 and an absolute temperature of 225 k. when the temperature of the gas is raised to 380 k, what is the new volume of the gas? (assume that there’s no change in pressure.)
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He "hardness" of water describes how quickly it heats and cools its attraction to other substances...
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