An aluminum tea kettle with mass 1.10 kg and containing1.80 kg of water is placed on a stove. If no heat is lost to the surroundings,how much heat must be added to raise the temperature from20.0°C to 85.0°C?
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An aluminum tea kettle with mass 1.10 kg and containing
1.80 kg of water is placed on a stove. If no heat is lost to the surroundings,
how much heat must be added to raise the temperature from
20.0°C to 85.0°C?
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- You wish to cool a 1.95 kg block of brass initially at 80.0°C to a temperature of 41.0°C by placing it in a container of water initially at 20.0°C. Determine the volume (in L) of the liquid needed in order to accomplish this task without boiling. The density and specific heat of water are respectively 1,000 kg/m3 and 4,186 J/(kg · °C), and the specific heat of brass is 380 J/(kg · °C).You drop an ice cube into an insulated container full of water and wait for the ice cube to completely melt. The ice cube initially has a mass of 60.0 g and a temperature of 0°C. The water (before the ice cube is added) has a mass of 850 g and an initial temperature of 30.0°C. What is the final temperature (in °C) of the mixture? (Assume no energy is lost to the walls of the container, or to the environment.)A block of copper with mass 0.600 kg is heated to 400. degrees Celsius from 260. degrees Celsius. The specific heat capacity of copper is 387 J/ (kg°C). The heat absorbed by the copper block is 2.88 E5 J 3.25 E4 J 6.04 E5 J 9.29 E4 J
- An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 25.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium.temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance. J/kg - °C Need Help? Read It MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER SERCP11 11.4.P.033.MI.A 0.0725 kg ice cube at −30.0°C is placed in 0.557 kg of 35.0°C water in a very well insulated container. What is the final temperature? The latent heat of fusion of water is 79.8 kcal/kg, the specific heat of ice is 0.50 kcal/(kg · °C), and the specific heat of water is 1.00 kcal/(kg · °C).A 520.gram block of ice is at -28.0°C . What is the final temperature, how much ice is there, and how much water is there, if 1.40x10J of heat are added to it? Given that the specific heat capacity of liquid water is 4186J/(kg °C) , the specific heat capacity of ice is 2.00x10 J/(kg °C), the latent heat of vaporization of water is 2.26x106J/kg , and the latent heat of fusion of water is 3.35×10°J/kg.
- Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C to 110 °C at a pressure of 1.0 atm? Please keep three significant figures. Useful information: Melting point = 293 K heat of fusion = 3.90 x 104 J/kg. boiling point is 423 K heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm). The specific heats for the solid phase is 600 J/(kg K) The specific heats for the liquid phase is 1000 J/(kg K) The specific heats for the gaseous phase is 400 J/(kg K)You wish to cool a 1.59 kg block of tin initially at 96.0°C to a temperature of 57.0°C by placing it in a container of kerosene initially at 28.0°C. Determine the volume (in L) of the liquid needed in order to accomplish this task without boiling. The density and specific heat of kerosene are respectively 820 kg/m³ and 2,010 J/(kg °C), and the specific heat of tin is 218 J/(kg °C). L Need Help? Read ItAn aluminum tea kettle with mass 1.50 kg and containing 1.80 kg of water is placed on a stove. If no heat is lost to the surroundings, how much heat must be added to raise the temperature 20.0°C to 85.0°C?
- A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, which is copper and rests on a heating element. In two minutes, the mass of water boiled away is m = 2.5 kg. The radius of the pot bottom is R = 8.0 cm and the thickness is L = 1.0 mm. What is the temperature of the heating element in contact with the pot? TE = Number i UnitsWater is placed into an iron container along with an ice cube. They are thermally isolated.The iron container has a mass of 790. g and is initially at 72.0 degrees Celsius. The water has a mass of 220. g and is initially at 17.0 degrees Celsius. The ice cube has a mass of 80.0 g and is initially at -15.0 degrees Celsius.What is the heat required to raise the temperature of the ice to 0 degrees Celsius?