How much energy does a freezer have to remove from 1.5-kg of water at 20^0C to turn it into ice at -12^0C? specific heat capacity of water is 4184 \frac{J}{kg^0C) specific heat capacity of ice = 2090 \frac{J}{kg^0C) heat of fusion of ice = 3.33x10^5\ \frac{J}{kg}?

Q: An ice chest contains 6.05 kg of ice at 0 °C. Given a latent heat of fusion of water of 3.34 * 105…

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Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. The water is…

A: total mass of ice = 50g + 50 g = 100 g mass of water = 200 g initial temperature of water = 25oC…

Q: What mass of steam at 100°C must be added to 1.10 kg of ice at 0° C to yield liquid water at 15 ° C?…

A: Given,mass of ice, mi = 1.10 kgtemperature of ice, Ti = 0 °Ctemperature of water, Tw = 15…

Q: Radiant heat makes it impossible to stand close to a hot lava flow. Calculate the rate of heat loss…

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Q: How many joules are needed to change 50g50g of ice at 0∘C0∘C to steam at 120∘C120∘C?The latent heat…

A: Mass of ice (m) = 50 g Initial temperature of ice = 0o C

Q: Two liquids, A and B, are mixed together. Liquid A has mass m and was initially at temperature 40°C,…

A: When two objects at different temperatures are kept in contact, then they exchange heat until they…

Q: We use 4 ice cubes (0.005 kg each) at a temperature of -2°C to chill a soft drink at an initial…

A: Given: Number of ice cubes: n = 4; The mass of each ice cube: m1 = 0.005 kg; The initial…

Q: 1.33 kg of ice at 0.00 °C is added to a tub of water at 20.0 °C. If the final temperature, Tf, is…

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Q: One gallon of water, which is in a bottle at room temperature of 25 °C, is poured over 1.7 kilograms…

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Q: An iron ball with a mass of 200 kg is raised from a temperature of 20 °C to 40 °C, if the thermal…

A: An iron ball with a mass of 200 kg is raised from a temperature of 20 °C to 40 °C, if the thermal…

Q: Heat is needed to change 200 g of ice at 0°C to steam at 120°C? Cwater = 4186 J/kg.C⁰ Cvapor = 2010…

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Q: CA-2 Suppose you have 2.00 kg of liquid water at a temperature of 20.0°C. You also have a large…

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Q: How much heat is required to melt 200 g of ice at 0 oC into water at 0 oC? The latent heat of fusion…

A: Here,  m = 200g  Lf = 80 cal/g

Q: An insulated beaker with negligible mass contains liquid water with a mass of 0.265 kg and a…

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Q: Typical temperatures in the interior of the Earth and Sun are about 4000°C and 15 x 106°C,…

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Q: How much heat is absorbed by a beaker of 148g of water that goes from 16°C to 27°C? (cwater = 4.18 X…

A: Given data mass of water ( m ) = 148 g or m = 0.148 kg Initial temperature ( T1 ) = 16 degree…

Q: Instead of being left to stand in the room, the cup of 92°C soup is placed in a freezer whose…

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Q: A thin straight rod made of an unknown metal has an length of exactly 30.00 cm at 15°C When heated…

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Q: A mass of steam at 120°C is added to 2kg of ice at 0°C to yield water at 20°C. What is the total…

A: Latent Heat: The heat required to convert a solid into a liquid or vapor (latent heat of fusion), or…

Q: To help keep his barn warm on cold days, a farmer stores 860 kg of solar-heated water (Lf = 3.35E+5…

A: Given Mass of the water m =860 kg  so the energy released by the water from cooling this to 11.8oC…

Q: CA-2 Suppose you have 2.00 kg of liquid water at a temperature of 20.0 ̊C. You also have a large…

A: Given,mass of the water, mw = 2.00 kginitial temperature of the water, Tw = 20.0 °Cspecific heat of…

Q: 68.0 g of steam at 124 degrees C is converted to liquid water at 45.5 degrees C. How much energy is…

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Q: An insulated beaker with negligible mass contains liquid water with a mass of 0.240 kg and a…

A: From heat transfer,

Q: A swimming pool filled with water has dimensions of 4.76 m ✕ 10.2 m ✕ 1.70 m. Water has density ρ =…

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Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: 3 moles of an ideal polyatomic gas initially with a volume of 2 m3 and a temperature of 3000C is…

A: The work done by the gas compressed isothermally is, W=nRTlnVfVi=nRTln13ViVi

Q: A fluid called F has the same properties as water but its freezing point is 10degC and its boiling…

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Q: One way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing…

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Q: Consider a block of ice, with a mass of 2.00 kg and an initial temperature of -8.00°C. How much heat…

A: Specific heat capacity of a substance is the quantity of heat needed to raise the temperature per…

Q: You recently bought an aluminum (C = 0.9 J/g-K) kettle with a mass of 2 kg. You used the kettle to…

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Q: atings of microwave ovens are listed in watts (1 watt = 1 J/s). How many seconds will it take a…

A: We know that we have given that the volume  872 ml and power 1000 watts of soup from 27 °C to 74 °C…

Q: 5.3 kilograms of water at 100°C is converted to steam at 1 atm. Find the change in internal energy…

A: Given data: - The mass of water is m = 5.3 kg. The latent heat of vaporization is L = 2.26 x 106…

Q: 3) a) A Pyrex baking dish with a mass of 545g warms up by 96.7 °C w hen it absorbs 30.9 k of heat…

A: Equation for heat energy is,

Q: Determine the rate needed to radiate energy from a metal ball with 3 cm in radius and is heated in a…

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Q: In the laboratory, calorimetry can be used to determine the latent heat of fusion of water, LfLf. If…

A: Given Mass of ice mi=30 gm mi=0.03 kg Mass of calorimeter cup mc= 60gm=0.06kg Mass of water mw=170…

Q: An ice tray is removed from a freezer, where the ice was at a temperature of -11°C, and left on a…

A: Change of phase is represented as, Q=Q1+Q2+Q3=mci∆Ti+mLi+mcw∆Tw

Q: suppose a 50.0 g block of silver (specific heat = 0.2350 J/g·C) at 100C is placed in contact with a…

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Q: Water whose temperature is at 1008C is left to cool in a room where the temperature is 608C. After 3…

A: Given: The final temperature is T=908 K. The function of time is T=601+40ekt. The time is t= 3min.…

Q: The heating element of a 1200 Watt electric stove can reach temperatures of 815 °C when turned all…

A: Heat required to boil water Q = mL L = latent heat of vaporization = 2260 KJ/kg

Q: How many kJ/min is required to produce 10 metric tons of ice per day at -10°C from steam at 100°C? O…

A: The total energy required is the sum of the energy to convert 100°C steam to 100°C water, cooling…

Q: Suppose that you have left a 200 mL cup of coffee sitting until it has cooled to 30◦ C, which you…

A: heat required = m * C * change in temperature H = 200 * 4.2 * (60 - 30) H = 25200 Joules Using,…

Q: How much heat energy needs to be given up to freeze 2.12 kg of milk if initially the milk was at the…

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Q: Suppose you have 2.5kg of steam at 100 degrees celcius occupying 6.5 meters cubed at a pressure of…

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Q: A 100 g cube of ice at 0 c is dropped into 1kg of water that was originally at 80.c. Assuming there…

A: Given information: The mass of the ice (mi) = 100 g = 0.1 kg The mass of the water (mw) = 1 kg The…

Q: A 26.0-kg sample of ice is at 0.00°C. How much heat is needed to melt it? For water Lf = 334 kJ/kg…

A: Given data: Mass of ice (m) = 26 kg Initial temperature = 0.00°C Lf = 334 kJ/kg Need to determine…

Q: A (9.20x10^1)-kg block of ice at 0.00°C breaks off from a glacier, slides along the frictionless ice…

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Q: A 45.0-kg sample of ice is at 0.00° C. How much heat is needed to melt it? For water LF =…

A: Given data:  Mass (m) = 45.0 kg Ice at 0.00°C Latent heat of fusion (Lf) = 334,000 J/kg Required:…

Q: 1.2 kg of liquid water initially at 15°C is to be heated to 95°C in a teapot equipped with a 1200-W…

A: Power supplied (P)= 1200 W Specific heat of teapot (c1) = 0.7 KJ/kg.°c  Mass of teapot (m1)= 0.5 kg…