A 1.0-kg block of copperat 30°C is dropped into a large insulated calorimeter containing liquid nitrogen at 77.3 K. How many kilograms of nitrogen boil away by the time the copper block reaches 77.3 K?The latent heat of vaporization of nitrogen is 199 J/g, its boiling point is 77.3 K, and the specific heat of copper is 0.386 J/(g°C)
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
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A 1.0-kg block of copperat 30°C is dropped into a large insulated calorimeter containing liquid nitr...
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