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What is the mass percent concentration of solution containing 30 g kcl and 160 of water assume a density of 1.00g/ml for water?
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An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Type the letter that represents the correct location for each particle type below.
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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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What is the mass percent concentration of solution containing 30 g kcl and 160 of water assume a den...
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