How much heat in kcal must be added to 0.80 kg of water at room temperature (20°C) to raise its temperature to 46°C? kcal How much heat is necessary to change 575 g of ice at -20°C to water at 20°C? kcal
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- Estimate the amount of energy required to increase the temperature of an iron block of 0.250 g from 40°C to 500°C.Please asap1.- In a laboratory experiment, a calorimeter is used to determine the specific heat of iron. 80 g of dry iron pellets are placed in the cup and heated to 95°C. The mass of the inner aluminum cup with a stirrer made of the same material is 60 g. The calorimeter is partially filled with 150 g of water at 18°C.The hot pellets quickly expired in the cup and the calorimeter was sealed, as shown in Figure 17.5. After the system has reached thermal equilibrium, the final temperature is 22°C. Calculate the specific heat of iron HEAT SPECIFIC Iron: 470 J/kgC: 0.113 cal/gCAluminum: 920 J/kgC: 0.22 cal/gC
- Thank u! Required info: A 75.0-g cube of ice at -10.0°C is placed in 0.590 kg of water at 50.0°C in an insulating container so that no heat is lost to the environment. Specific heat capacity (15.0°C) of water is 4.186 kJ/(kg-K) and that of ice (0°C) is 2.10 kJ/(kg:K) and heat of fusion of water is 333.7 kJ/kg. What will be the final temperature of this system?How many joules of heat transfer are required to thaw a 0.777-kg package of frozen vegetable juice originally at 0°C if its latent heat of fusion is the same as that of water (334 kJ/kg)? JA piece of ice with a mass of 120 g is transferred directly from the freezer at a temperature of 8°C to a polystyrene cup containing 300 g of water at 85°C. Calculate the final temperature of the water. Ignore any heat lost to the cup and its surroundings. 14.