Calculate the atomic mass of y
The atomic mass of element X is 33.42 amu. A 21.83-g sample of X combines with 80.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
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A certain primary cell has a terminal voltage of 1.24 volts when supplying a current of 2A. Immediately after the load was disconnected the terminal voltage increase to 1.28 volts what is the internal resistance of the cell.
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A truck is traveling at v0 = 60mph when the driver applies the brakes to come to a stop. The deceleration of the truck is constant and the truck comes to a complete stop after braking for a distance of 350ft.
What is the simplest formula for Chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g sulfur?
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