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A silver bar with a mass of 250.0 g is heated from 22.0 º C to 68.5 º C. How much heat does the silver bar absorb?
Answers: 1
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A50.0-n box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. you observe that at one instant the box is sliding to the right at and that it stops in 2.25 s with uniform acceleration. what magnitude force does friction exert on this box
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Which of the following statements correctly describes a transformer?
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Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
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Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?
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A silver bar with a mass of 250.0 g is heated from 22.0 º C to 68.5 º C. How much heat does the silv...
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