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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife
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George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.
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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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Chemistry, 22.06.2019 15:30
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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Calculate the enthalpy change upon converting 1 mol of ice at -25 °C to water vapor at 125 °C under...
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