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A: Given data The mass of the ice is given as m = 2.4 kg. The initial temperature of the ice is Ti =…
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A: given m = 1 gram specific heat C = 5 joules/(gram o C) ΔΤ = 10 o C
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How many kJ of energy does it take for 2.4 kg of ice at -14oC to warm up to room temperature (22oC)?
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- According to the USDA, an average, \moderately active" college student needs to eat 2500 calories per day. These \calories" are actually kilocalories, or kcal; and, we prefer to use Joules (J) in geophysics. The conversion is 1 kcal = 4187 J. The average geothermal heat ux is 60 mW/m2. How large an area on Earth's surface releases the same amount of energy in one day as used by the average college student in a day?What is the ratio of the energy required to warm 125 g of Ice (0.0 \deg C) to body temperature (37 \deg C) to warming the same amount of water through the same temperature change? Answer format is the number Eice/Ewater = (2 significant figures) Latent Heat of Fusion of Water: 335, 000 J/kg Specific Heat Capacity of Water: 4186 J/kg/\deg CA-2.16. The heat capacity of air is much lower than the heat capacityof water and a relatively small amount of heat is sufficient to change its temperature. Is itone of the reasons why in deserts, despite the high temperature during the day, wit is bitter cold at night. Heat capacity of air in constant volume wroom temperature is approximately 21 J K-1 mol-1. How much heat is needed toIncrease the air temperature in a room of 5.5 mx 6.5 mx 3.0 m by 10 ° C? Howa 1.0 kW heater would have to be on for a long time to achieve this temperature change,if there was no heat loss