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Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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Chemistry, 22.06.2019 12:30
How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work
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Determine the volume occupied by 0.352 mole of a gas at 25⁰c if the pressure is 81.8 kpa....
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