Calculate the amount of heat liberated
Calculate the amount of heat liberated (in kJ) from 295 g of mercury when it cools from 82.0°C to 12.0°C. The specific heat of Hg is 0.139 J/ gºC.
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Consider a system which is initially an ice cube 1 meter on a side. How much work does this system do on the atmosphere when it melts?
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Calculate the energy of the piston as it contacts the water. Assuming all this energy is transferred to the water, calculate the velocity the water achieves.
A train has a mass of 4.65E+6 kg and is moving at 51.4 km/hr. The engineer applies the brakes, which results in a net backward force of 1.54E+6 N on the train. The brakes are held on for 28.9 s. What is the new speed of the train?
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Five kg of a material is heated at constant volume from a state where its internal energy is 40 MJ/kg to a state where its internal energy is 60 MJ/kg.
Find the maximum height reached by the rocket. Ignore air resistance and assume a constant acceleration due to gravity equal to 9.80 .
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