A quanity of steam (500g) at 117 degrees C is condensed and the resulting water is frozen into ice at 0 degrees C. How much heat was removed? in kcal?

Q: A 50-kg iron block at 80°C is dropped into an insulated tank that contains 0.5 m3 of liquid water at…

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Q: 4000J of heat is applied to a 1.5kg silver pendant initially at a temperature of 150∘C. Determine…

A: Heat supply to the substance which increase the temperature of substance,

Q: How much heat is required for 309 cm3 of water to raise its temperature a total of 2°C? The specific…

A: Write the given data. V=309×10-4 m2∆t=2 °Cc=1 cal/gρ=1000×103 g/m3

Q: How many kilograms of -5°C ice per day will melt and evaporate to steam after adding a total of 7500…

A: Specific heat of water is defined as the amount of heat supplied to 1 kg of water to increase its…

Q: How much heat that an 80 kg bathwater needs to lose (in kcal) to reduce its temperature from 42o C…

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Q: Can ice be colder than 0 degree C ? What is the temperature of the an ice- water mixture?

A: The temperature of ice can go down to 273 degree which is zero Kelvin or absolute zero.

Q: How much heat is required to change 4kg of Ice at -10°C to 115° C steam?

A: m= 4kg Δt = 115 - (-10) = 115o C specific heat of ice(C) = 2090 Joules/kg C.

Q: How many kilo calories (kcal) are required to change 1 kg of 100°C boiling water to 100°C steam?

A: Mass of water = 1 kg  Temperature of water = 100°C  Latent heat of vaporization (Lv) = 540 cal / g…

Q: How much heat energy in calorie is necessary to convert 100.0 g of ice at 0°C to water vapor (steam)…

A: Solution-

Q: How much heat in kcal must be added to 0.30 kg of water at room temperature (20 degrees Celsius) to…

A: The mass of water is, The change in the temperature of water is,

Q: How much heat is necessary to change 225 g of ice at -14°C to water at 20°C?

A: Total required heat to convert ice at -14°C to water at 20°C we need the sum all heat required for 3…

Q: How much lead can 500 J of energy heat by 20 degrees C?

A: Given:   Heat energy given to lead, ∆Q = 500 J Rise in temperature of the lead, ∆T = 200C   To Find:…

Q: How much heat energy does it take to boil 2.35 kg of water at 100oC completely to steam at 100oC ?…

A: As temperature of water is100° C, only latent heat of vaporization is required to convert the water…

Q: How much heat is necessary to change 475 g of ice at -6°C to water at 20°C?

A: There are 3 phases in this complete process Phase 1: Heating the Ice from -6° to 0° Specific heat…

Q: How much heat (in J) is needed to boil 0.22 lb water that is initially at 98.6oF? The specific heat…

A: Given Mass of water = 0.22 lb Initial temperature of water =  98.6 °F The specific heat of water = 1…

Q: How much heat energy Q we need to heat mass m = 140 mg from room temperature T = 20 degrees Celcius…

A: Given: The mass m = 140 mg = 0.14 g Room temperature T = 20 oC Final temperature T' = 100 oC Note:…

Q: eng does it take to boil away 0.2 kg of water at 100 degrees celcius 0/1 000 W heater? Specific…

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Q: How much heat is necessary to change 290 g of ice at -17°C to water at 20°C?

A: the specific heat capacity of ice is 2.04 kJ/kg degree Celsius.

Q: What is the final temperature when 50 g of Copper at 200°C is placed into 200g of water at 20.0°C?

A: We need to calculate the final temperature when 50 g copper at 200 degC is mixed with 200 g of water…

Q: A 300g iron bar at 20 °C is placed in 800g of water at 363 °K. If the specific heat capacity of iron…

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Q: Suppose a run containing 34.5 grams of water is cooled from 20 degrees C to 5 degrees C. How much…

A: Given, Mass of the water, m = 34.5 g Initial temperature Ti=20∘C Final temperature Tf=5∘C Heat…

Q: A 10-kg chunk of ice at -30°C is mixed with 0.713 kg of water at 50°C. Find the temperature of the…

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Q: A 100 g iron bar at 100 °C is placed in 200 g of water at 273 °C. If the specific heat capacity of…

A: Mass of iron bar, mb = 100 gTemperature of iron bar, Tb = 100°CMass of water, mw = 200 gTemperature…

Q: How much energy does a refrigerator remove from 85,0 g of water at 28.0 °C to make ice at - 11.5…

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Q: There exist a block of 50 g ice at – 15 °C find the amount of steam at 120 °C which can melt this…

A: Given: Mass of ice, mi = 50 g = 0.05 kg. Initial temperature of ice, Tii = -15oC. Final temperature…

Q: How many calories of heat are required by 80 grams of ice at -10°C to change to steam at 150 °C?…

A: M = 80gram

Q: How much heat is necessary to change 230 g of ice at -20°C to water at 20°C?

A: given:mass of ice = 230 g initial temperature = -20oC final temperature = 20oC

Q: If the specific heat of pure liquid substance A is 9.167 J/kg.oC, find the amount of heat a 5 kg of…

A: Given: Mass of substance, m = 5 kg Specific heat of substance, S = 9.167 J/kg- °C change in…

Q: A 0.800-kg iron cylinder at a temperature of 1.00 × 103 °C is dropped into an insulated chest of…

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Q: 1 kg of coffee, originally at 95°C, is placed into a .3 kg aluminum cup ne, you pour 0.2 kg of milk,…

A: We have given that The mass of the coffee is  mcoffee= 1 kg  The mass of the aluminum mAl= 3kg at…

Q: How much joules is needed to raise the temp of 8.0 L of water from 0 degrees C to 83 degrees C?

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Q: How much heat must be added to 150 grams of ice at 0°C to form water at 0°C?

A: mass , m = 150 gm To find = heat to be added

Q: 3.) 30g of steam at 100°C are cooled to form water at 60°C. How much heat is liberated?

A: steam will first convert to water at 100 degrees and then cool to water at 60 degrees

Q: When one mole of C,H, is burned, 3.27 MJ of heat is produced. When the heat from burning 5.67 g of…

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Q: Given the following constants below, how much heat (in kJ) must be added to completely transform the…

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Q: To sterilize a 125 g aluminum water bottle, we must raise its temperature from 22ºC to 98ºC. How…

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Q: How much heat is required to raise 7.9 kg of gold 55°F? (include units with answer)

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Q: How much heat is required to change 200 mL of ice at -20oC into steam?

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Q: How many calories of heat are required by 100 grams of ice at -5℃ to change to steam at 120 ℃?

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Q: Later heat of vaporization of water is 540 cal/g, and specific heat of water is 1 cal/(g.°C) how…

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Q: 3. 30g of steam at 100°C are cooled to form water at 60°C. How much heat is liberated?

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Q: How much thermal energy (in J) is required to boil 3.00 kg of water at 100.0°C into steam at…

A: Given,

Q: A 10-kg chunk of ice at -30°C is mixed with 0.726 kg of water at 50°C. Find the temperature of the…

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Q: What is the specific heat of a 50-gram metal initially at 200°C which heated to 900°C with 2330 J of…

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Q: There is a block of ice and you pour 9.5kg of water at 34.5 C on it, how much of that ice at 0 C…

A: