Chemistry, 26.08.2021 08:30 glogang6670
An Exothermic reaction is
o when energy is released
O when energy is absorbed
O When energy is not released or absorbed
O No answer text provided.
Answers: 3
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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How many grams of aluminum will there be in 98g of al2o3?
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Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.
Answers: 2
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Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
An Exothermic reaction is
o when energy is released
O when energy is absorbed
O When e...
O when energy is absorbed
O When e...
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