21. The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F. After it passes through the radiator it has a temperature of 175 °F. Calculate the amount of heat transferred from the engine to the surroundings by one gallon of water with a specific heat of 4.184 J/g °C.

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: A 4.79 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Calorimetry is the easiest way to calculate the amount of heat transfer to a substance or from a…

Q: A 140.0 g sample of water at 25.0C is mixed with 114.0 g of a certain metal at 100.0 °C. After…

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Q: heat

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Q: The specific heat of lead is 0.129 J/g C°. How many joules of heat are required to raise the…

A: Specific heat capacity of lead: 0.129J/g°CTinitial = 22°CTfinal = 37°Cmass of lead = 380g

Q: A 500-g piece of metal (a steel) is dropped into 775 mL of water at 23.5 °C. The final temperature…

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Q: solution is made by mixing 260.0 mL of ethanol initially at 12.5 °C with 260.0 mL of water initially…

A: According to Law of calorimetry,amount of heat released by the substance having higher temperature…

Q: What is the final temperature of gold. The specific heat capacity is 0.128 j/g. C

A: Specific heat capacity is amount of heat required to raise temperature of one gram of a substance by…

Q: How much will the temperature of a cup (183 g) of coffee at 96.1 °C be reduced (in °C) when a 45 g…

A: The problem is asking us to find the final temperature of the coffee after a silver spoon is placed…

Q: A  55.2 g piece of metal has a temperature of 90.4 °C before being placed into 102.5 g of water at…

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Q: 1. How much energy, in Joules, would it take to heat up 80.0 g of water from 25 °C to 35 °C?

A: Note: Since you have posted multiple questions, we will provide the solution only to the first…

Q: 4.33g sample of an unknown salt (MM=116.83g/mol) is dissolved in 150.00g water coffee cup…

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Q: The specific heat of a substance is the amount of heat required to raise the temperature of one gram…

A: Given --> Q = 357 J  S = 0.362 J/g°C T1 = 24.1°C T2 = 80.6°C

Q: A 10.0 g piece of metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

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Q: A block of metal weighing 57.58 g is cooled from 100.0°C to 42.16°C with the release of 544.08…

A: Given, Mass of metal (mmetal) = 57.58 g Initial temperature (Ti) = 100°C Final temperature (Tf) =…

Q: 4. How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a spoon…

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Q: piece of unknown metal has a mass of 217 g. The metal absorbs 1.43 kJ of heat, its tempeature…

A: Given data  Heat absorbed by the metal = 1.43 KJ= 1.43×1000 = 1430 J  (1 KJ = 1000 J) M = mass of…

Q: A calorimeter has a negligible heat capacity. It contains 52.3 g of water initially at 22.4 Celsius.…

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Q: When 673.0 J of heat energy is added to a 46.0 g sample of solid copper, the temperature increases…

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Q: A sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

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Q: 4. What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature…

A: Heat required = 1050 J Initial temperature = 10.0°C Final temperature= 20.4°C Change in temperature…

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: A metal X has a a mass of 10.0g and it was heated up to 120.0°C, it was then submerged in water that…

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Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: A sample of gold weighing 7.7 grams is cooled then placed in a calorimeter containing 27.01 grams of…

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Q: 6. If 53.2 g Al solid at 120.0 °C is placed in 110.0 g H₂O at 90 °C within an insulated container…

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Q: A 25.0 g sample of silver metal was heated to 170 degrees C and then placed in a calorimeter holding…

A: Given: Mass of silver metal = 25.0 g The initial temperature of the metal= 170°C Mass of water= 50.0…

Q: In a calorimetric analysis, 2.42 g of potassium chloride is weighed. The heat of solution of this…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: When a 1.44-g sample of magnesium metal is burned, it produces enough heat to raise the temperature…

A: 1.44g of magnesium metal is burned and it produces enough heat to raise temperature of 1,617g of…

Q: A metal object with mass of 20.5 g is heated to and then transferred to an insulated container…

A: when we mix to object then it grow from high temperature too low temperature . so apply principle of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.29 kg sample…

A: 0.45 or 4.49 * 10-1 J/g K

Q: When immersed in water, the temperature of a 102.1 gram sample of metal changes from 150.2 0C to…

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Q: A solution is made by mixing 260.0 mL of ethanol initially at 15.5 °C with 260.0 mL of water…

A: Given volume ethanol =260.0 mLinitial temperature of ethanol =15.5 °Cdensity of ethanol =0.789…

Q: In the laboratory a student finds that it takes 62.4 calories to increase the temperature of 15.0…

A: Given :-  Heat absorbed = 62.4 cal  Mass of Mg = 15.0 g  Initial temperature = 20.9 oC  final…

Q: How much heat is required to raise the temperature of 25g of water from 25.0°C to 30.0°C? The…

A: Mass of water, m = 25 g Specific heat of water, Cs = 4.184 J/g °C Initial Temperature, Ti = 25 °C…

Q: A 28.602 g sample of a metal is heated to 99.9°C in a hot water bath until thermal equilibrium is…

A: Let c be the specific heat of the metal Heat lost by the metal = mass x specific heat x temperature…

Q: a sample of aluminum absorbed 9.86J of heat, and its temperature increased from 23.2C to 30.5C. What…

A: The objective of the question is to find the mass of the aluminum sample using the given heat…

Q: heat, upon which the temperature of the sample increases from 21.5 °

A: Dear student I have given answer to your question in the image format.

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: The amount of heat transferred in a thermodynamic system is calculated as follows,…

Q: 350.0 g of 5.00°C water is heated until its temperature is 37.0°C.  If the specific heat of water is…

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Q: The burning of 1.5 g of vegetable cause the temperature of 58.18 g of water in a soda can…

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