Physics, 11.12.2019 04:31 jordantotten96
Steam at 100°c is condensed into a 38.0 g steel calorimeter cup containing 220 g of water at 29.0°c. determine the amount of steam (in g) needed for the system to reach a final temperature of 48.0°c. the specific heat of steel is 490 j/(kg * °c).
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Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
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Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
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Steam at 100°c is condensed into a 38.0 g steel calorimeter cup containing 220 g of water at 29.0°c....
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