n ice-making mạchine operates in a Carnot cycle. It takes heat from water at 0.0 °C and rejects heat to a room at 24.0 °C. Suppose that 85.0 kg of water at 0.0 °C are converted to ice at 0.0 °C. How much
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- A 2.00-mol sample of a diatomic ideal gas expands slowly and adiabatically from a pressure of 5.00 atm and a volume of 12.0 L to a final volume of 30.0 L. (a) What is the final pressure of the gas? (b) What are the initial and final temperatures? Find (c) Q, (d) Eint, and (e) W for the gas during this process.One of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of 2.000 atm when it is slowly heated. If the temperature of the gas rises by 10.00 K and 400.0 J of heat are added in the process, what is its final volume?A gasoline engine has a power output of 170 kW (about 2.28×105 hp ). Its thermal efficiency is 22.0 %. How much heat must be supplied to the engine per second? Express your answer in joules per second. How much heat is discarded by the engine per second? Express your answer in joules per second.
- A gasoline engine takes in 1.61×104 J of heat and delivers 3700 J of work per cycle. The heat is obtained by burning gasoline with a heat of combustion of 4.60×104 J/g. 1.If the engine goes through 60.0 cycles per second, what is its power output in kilowatts?A gasoline engine takes in 1.61 * 10^4 Jof heat and delivers 3700 J of work per cycle. The heat is obtained byburning gasoline with a heat of combustion of 4.60 * 10^4 J/g. If the engine goes through 60.0 cycles per second, what is its power output in kilowatts? In horsepower?An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 °C and rejects heat to a room at a temperature of 20.3 °C. Suppose that liquid water with a mass of 84.2 kg at 0.0 °C is converted to ice at the same temperature. = 3.34×105 Take the heat of fusion for water to be Lf = J/kg. How much heat |QH| is rejected to the room? Express your answer in joules to four significant figures. ► View Available Hint(s) |QH|= 3.021×107 J Submit Previous Answers Correct Part B How much energy E must be supplied to the device? Express your answer in joules.
- Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 6.3 x 105 m³, 5 and the pressure of the air in it is 7.4 × 106 Pa. Assume that air is a diatomic ideal gas whose internal energy U is given by U = nRT. If one home uses 30.0 kWh of energy per day, how many homes could this internal energy serve for one day?A container holds 4.0 x 1022 molecules of an ideal gas at 0 °C. A piston compresses the gas, doing 30 J of work. At the end of the compression, the gas temperature has increased to 10 °C. During this process, how much heat is transferred to or from the environment?A heat engine has a thermal efficiency of 46%. Its heat input each cycle is supplied by the condensation of 4.0 kg of steam at +100C (all of the steam condenses). How much heat is lost to the surroundings each cycle? (The latent heat of vaporization of water is 2.26x106 J/kg) O 4.16 × 106 J O 4.88 × 106 J O 9.04 × 106 J O 10.6 × 106 J O not enough information to determine
- 1 8. Two moles of an ideal gas are heated at constant pressure from 27.0°C to 107°C. Calculate the work done by the gas. Draw the PV diagram for the process. (Answer: 1330 J)An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 °C and rejects heat to a room at a temperature of 20.3 °C. Suppose that liquid water with a mass of 84.2 kg at 0.0 °C is converted to ice at the same temperature. Take the heat of fusion for water to be Lf = 3.34×105 J/kg . How much heat |QH| is rejected to the room? Express your answer in joules to four significant figures. ► View Available Hint(s)m = 0.593 kg of methanol in atmospheric pressure is heated with an electric heater from T₁ = 30.2 °C to its boiling point. After the heating my methanol is vaporized. Heating and vaporizing takes t = 450.41 s with n=0.59 heater's efficiency. What is the volume of methanol? V = What is the energy required for heating? E₁ = 1 kJ m³ Your last answer was interpreted as follows: 1 What is the energy required for vaporizing? Ev = 1 kJ Your last answer was interpreted as follows: 1 What is the power of the heater? P = 1 с Your last answer was interpreted as follows: 1 Your last answer was interpreted as follows: 1 What is the electr. energy needed for heating and vaporizing? Eε = 1 kJ Your last answer was interpreted as follows: 1 h Do not leave any fields blank. If you don't know the answer, insert 1 for example. Insert the answer with 3 significant digits without rounding the answer. Constant P Tb Value Unit 2.53 1165 786.3 64.7 °C umges Quantity heat capacity kg K kJ kW kg kg LAN Symbol h…