Physics, 28.07.2019 20:00 hotsaucerman567
Asample of hydrated calcium sulfate has a mass of 20.88 g. after it is heated, it has a mass of 16.51 g. what is the percentage by mass of water in the hydrate? use the formula mc010-1.jpg 4.37% 20.9% 26.5% 43.7%
Answers: 2
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An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km,a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?
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Asample of hydrated calcium sulfate has a mass of 20.88 g. after it is heated, it has a mass of 16.5...
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