What is the magnitude of energy (in MJ) that must be removed to freeze 466 L of water with a density of 999.8 Kg/m3 that is already at 0˚C [round your final answer to one decimal place]? {latent heats of water: Lf = 33.5 × 104 J/kg, and Lv = 22.6 × 105 J/kg}
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What is the magnitude of energy (in MJ) that must be removed to freeze 466 L of water with a density of 999.8 Kg/m3 that is already at 0˚C [round your final answer to one decimal place]?
{latent heats of water: Lf = 33.5 × 104 J/kg, and Lv = 22.6 × 105 J/kg}
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- An aluminum cup with mass 0.26 kg holds 0.30 kg of water. Both the cup and the water have a temperature of 15.°C. If a 0.55-kg piece of copper at 80.°C is added to the cup, what is the final equilibrium temperature in °C? You may assume that the cup, water, and copper are well insulated from anything else. (What can I do to solve this? What equations can I use?)A 15.9 L aluminum pot filled to the brim with 7.85˚C water. How many litres of water will overflow when the temperature of the water is raised to 76.96˚C [round your final answer to three decimal places]? Note that the pot and the water will be in equilibrium at both temperatures. {volume coefficient of thermal expansion for water = 207 × 10-6 ˚C-1; volume coefficient of thermal expansion for aluminum = 70 × 10-6 ˚C-1}A 17.2 L aluminum pot filled to the brim with 8.58˚C water. How many litres of water will overflow when the temperature of the water is raised to 73.8˚C [round your final answer to three decimal places]? Note that the pot and the water will be in equilibrium at both temperatures. {volume coefficient of thermal expansion for water = 207 × 10-6 ˚C-1; volume coefficient of thermal expansion for aluminum = 70 × 10-6 ˚C-1}
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