Chemistry, 01.07.2021 18:30 lifehitsjackson
How many atoms and lone pairs are around the central atom in phosphorus trifluoride molecule?
Answers: 3
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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.
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What is a difference between a mixture of elements and a mixture of compounds
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Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
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How many atoms and lone pairs are around the central atom in phosphorus trifluoride molecule?...
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