Physics, 26.05.2020 07:58 alleshia2007
You put mass m1 of ice cooled to -20°C into mass m2 of water at 2°C. Both are in a thermally insulated chamber. In the final state of the system:
A. Everything turns to ice at a temperature below 0°C.
B. Everything melts and is at a temperature above 0°C.
C. There is a mixture of water and ice as the final state.
D. The water and ice never reach the same temperature.
E. There is not enough information to find the final temperature.
Answers: 3
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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 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
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You put mass m1 of ice cooled to -20°C into mass m2 of water at 2°C. Both are in a thermally insulat...
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