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Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
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What type of energy conversion occurs when you place your feet near the fire place and they become warm
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Chemistry, 23.06.2019 09:00
Avogradoa number was calculated by determining the number of atoms in?
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