(a) If 50 g ice dice at 0°C is dropped into 1.0 kg of water that was once firstly at 80°C. What is the ultimate temperature of the water after the ice melts? (4 marks) Specific warmness ability for water = 4186 J K-1 kg 1 Latent warmness of fusion for water = 3.33 1055 kg 1 (b) Researchers are growing "heat exchangers" for shape the laptop computer - to preserve it from being broken through overheating - and use it to vapourise methanol. computer when 4.6 g of methanol is vapourised, what is the latent warmth of vapourisation for methanol? (2 marks) (c) At excessive noon, the Sun can provide 1.0 kW to every rectangular meter of a blacktop road. Assume that the emissivity of the blacktop is 1. If the warm asphalt loses electricity solely through radiation, what is its equilibrium temperature? (2 marks) laptop computer computer systems that take warmth Given that 5100 J of warmness is eliminated from the laptop
Q3. (a) If 50 g ice dice at 0°C is dropped into 1.0 kg of water that was once firstly at 80°C. What is the ultimate temperature of the water after the ice melts? (4 marks) Specific warmness ability for water = 4186 J K-1 kg 1 Latent warmness of fusion for water = 3.33 1055 kg 1 (b) Researchers are growing "heat exchangers" for shape the laptop computer - to preserve it from being broken through overheating - and use it to vapourise methanol. computer when 4.6 g of methanol is vapourised, what is the latent warmth of vapourisation for methanol? (2 marks) (c) At excessive noon, the Sun can provide 1.0 kW to every rectangular meter of a blacktop road. Assume that the emissivity of the blacktop is 1. If the warm asphalt loses electricity solely through radiation, what is its equilibrium temperature? (2 marks) laptop computer computer systems that take warmth Given that 5100 J of warmness is eliminated from the laptop
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