How much heat is required to change 456 g of ice at -25.0°C into water at 25.0°C? The specific heat of ice is and the latent heat of fusion of water is 224 kJ 112 kJ 72.5 kJ 71.5 kJ 153 kJ

Q: How much heat is necessary to change 10g of ice at -20°C into water at 20°C? The specific heat of…

A: Given: Weight of ice (mice) = 10 g. Initial temperature (Ti) = -20 ̊C. Final temperature (Tf) = 20…

Q: What mass (in grams) of water could be warmed from 21.4°C to 54.8°C by the pellet dropped inside it?…

A: Given  T1 = 21.4° C  T2 = 54.8° C   T3 = 123°C  Heat capacity,C = 60 J/°C  The density of water is…

Q: A coffee-cup calorimeter contains 55.0 g of water at 25.90° C. If 4.21 g gold metal at 89.20° C is…

A: Given that  mw=55 g                    mg=4.21g                    Tw=25.90 o C…

Q: When 345 g of water at 35.0 °C and 295 g of water at 63.0 °C are added together in a calorimeter,…

A: Mass 1 of water: m1 = 345 g Initial temperature of water 1: T1 = 35.0o C Mass 2 of water: m2 = 295 g…

Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…

A: Let the final temperature is T

Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy.  If the copper starts at 20.5° C,…

A:

Q: How much heat is necessary to change 585 g of Ice at -7 degrees Celsius to water at 20 degrees…

A: mass = 585 g temperature of ice = -7 C final temperature = 20 C specific heat of ice = 2.108 J/g - C…

Q: When 200 g of Aluminum at 100°C is dropped into an aluminum calorimeter of mass 120g and containing…

A: Given

Q: A 0.0550 kg ice cube at −30.0°C is placed in 0.577 kg of 35.0°C water in a very well insulated…

A:

Q: 2.01 kilograms of ice are at a temperature of 0.0 °C. The ice is in an insulated container and…

A: for melting the ice we need the heat if fusion  the formula for this is given by Q= mL​​​f we have…

Q: A calorimeter made of copper (c=0.0923 cal/g-C°) of mass 300 g contains 450 grams of water. The…

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Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

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Q: When 1.5 kg of a cold metal at a temperature of 258 K is immersed in 2.5 kg of water at a…

A:

Q: A beaker of water contains 175 mL of water starting at 27.4 °C. What will the temperature be if 39.3…

A: Given data: Mass (m) = 175 ml = 175 g Initial temperature (T0) = 27.4 °C Heat absorbed (Q) = 39.3 kJ…

Q: How much heat is required to melt 30kg of ice at 0 °C to water at 10 °C? The latent heat of ice to…

A: Here, the ice is at the melting point. First ice will completely converted into water at the melting…

Q: The water in a pot has a mass of 225 g. The specific heat of water is 4.184 J/gºC. How much heat is…

A:

Q: When 200 g of Aluminum at 100°C is dropped into an aluminum calorimeter of mass 120g and containing…

A:

Q: 4 kg of ice at 0◦C is converted to steam at 100◦C. How much heat is needed? The heat of fusion…

A:

Q: If the specific heat capacity of the ice is 0.5 cal/g Celsius, how much heat would have to be added…

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Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5.5 kg) (specific heat…

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Q: How much heat is required to heat 10.0 g of liquid isobutane at -25°C to 23°C? The specific heat of…

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Q: an 60 gram silver spoon at 21 degrees C is place in a cup of coffee at 95 degrees C. the specific…

A: Answer               218.4 cal

Q: A hot 1 kg chunk of copper is allowed to cool to 100°C. If the copper gave off 231 kJ of energy,…

A: It is given that,

Q: An 55 gram silver spoon at 23 degrees C is place in a cup of coffee at 95 degrees C. The specific…

A: Data provided : Mass of spoon (m) = 55 gram Initial temperature (Ti) = 23 °C Specific heat of silver…

Q: the specific heat of water is 1.0 cal/gram˚C. 100-gram hot water at 100˚C is mixed with 300-gram…

A: The heat gained by water sample at 20 degree celsius = heat lost by water at 100 degree celsius M C…

Q: 100 g of ice at 0 °C are mixed with 200 g of water at 50 °C.  If the final temperature of the…

A: Given: The mass of the ice is 100 g. The initial temperature of the ice is 0oC. The mass of the…

Q: thermal energy (in J) is required to boil 2.45 kg of water at 100.0°C into steam at 135.0°C

A:

Q: How much heat (in J) is needed to raise the temperature of 7 kg of iron from 22 degrees Celsius to…

A:

Q: You are given 204 g of coffee (same specific heat as water) at 80.0°C (too hot to drink). In order…

A: Given Mass of coffee = 204 g Initial temperature of coffee = 80 °C final temperature of coffee = 60…

Q: To what temperature will 7900 J of heat raise 2.5 kg of water that is initially at 16.0 ∘C? The…

A: Given:Heat transferred, Q = 7900 JSpecific heat of water, SW = 4186 J/kg °Cmass, m = 2.5…

Q: How much heat is necessary to raise the temperature of 1000 g of ethanol from 20oC to 80oC? The…

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Q: A 1.00x102g metal block at 100° C is placed in 1.00x10° g of water at 10.0°C. The final temperature…

A: Mass of metal m=100 g=0.1 kg Initial temperature of metal block Tm=100 C0 Mass of water M=100 g=0.1…

Q: You have to samples of equal mass one of gold and one of copper that you heat up to 120ﾟC. Gold has…

A: Given information: The specific heat of gold (G) = 1260 j/kg. K The specific heat of copper (C) =…

Q: How much heat is required to raise the temperature of 30.0 g of water from 288 K to 368 K? O 10 kJ…

A: Given, mass m = 30 g T1=288 K T2 = 368 K Specific heat capacity of water c = 4.18 J/g.K

Q: How much heat is needed to freeze 2 kg of water at 70 degree C to convert it to ice cubes at -11…

A: When heat energy is supplied or absorbed from an object , the temperature of the object will…

Q: An ordinary egg with a mass of 0.1 kg and a specific heat of 3.32kJ / kg. ° C is dropped into…

A: Given data: Mass of egg is, m=0.1 kg. Specific heat of egg is, c=3.32 kJ/kgC∘. Final temperature is,…

Q: How much heat is needed to raise the temperature of 25.6 grams of water from 20.0ºC to 50.0ºC?…

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Q: How much heat must be removed from 456 g of water at 25.0°C to change it into ice at -10.0°C? The…

A:

Q: An aluminum container whose mass is 205 g contains 300 g of water at 20°C. In this container is then…

A: Given: Mass of container, m1 = 205 g the mass of water, m2 = 300 g the mass of iron, m3 = 250 g…

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 4.1 kg) (specific heat…

A: Given data: Mass (m) = 4.1 kg = 4100 g Specific heat capacity (c) = 1.00 cal/g.°C Initial…

Q: The constant‑pressure specific heat of air at 25°C is 1.005 kJ/kg·°C. Express this value in kJ/kg·K,…

A: Given that: Specific heat of air = 1.005 kJ/kg °C

Q: How much heat is required to melt 500.g of ice to water at 15.0°C?(latent heat of water=335 kJ/kg ,…

A: mass of ice = 500 g Final temperature = 15o C latent heat of fusion = 335000 Jkg Specific heat of…

Q: When 200 g of Aluminum at 100°C is dropped into an aluminum calorimeter of mass 120g and containing…

A: When heat energy is supplied or absorbed by a material, the temperature of the material will…

Q: How much heat is required to melt 30kg of ice at 0 degrees celsius to water at 90 degrees celsius?

A: Converting ice at 0oC to water at 90oC is two step process. step 1 - The ice at 0oC is converted is…

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.