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Physics, 21.06.2019 22:30
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Physics, 22.06.2019 05:10
What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics
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Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
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Physics, 22.06.2019 13:00
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 β 103 s. given that the charge of an electron is 1.6022 β 10β19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
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How does the movement of particles of matter change when matter goes from solid to liquid? increase...
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