Water's heat of fusion is 80. cal/g , and its specific heat is 1.0 cal/g⋅∘C .Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a ride with ice packs that held 1900 g of frozen water at 0 ∘C , and the temperature of the water at the end of the ride was 32 ∘C , how many calories of heat energy were absorbed?Express your answer to two significant figures and include the appropriate units.

Q: For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of…

A: The heat released (q) in the evaporation of the given amount of water can be calculated by…

Q: 14.0 g of cream at 12.8 °C are added to an insulated cup containing 150.0 g of coffee at 79.9 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: 9.0 g of cream at 18.8 °C are added to an insulated cup containing 100.0 g of coffee at 83.2 °C.…

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Q: Water's heat of fusion is 80. cal/g and its specific heat is 1.0 * (cal)/(gC) Some velomobile seats…

A: Given : Mass of ice i.e frozen water = 1500 g Initial temperature of ice = 0.0 oC Final temperature…

Q: 5.0 g of cream at 23.3 °C are added to an insulated cup containing 150.0 g of coffee at 84.7 °C.…

A: Given: Mass of cream= 5.0 g The temperature of cream = 23.3°CMass of coffee=150.0 g The temperature…

Q: How many calories are required to heat 5g of steam at 100°C to 120°C? The specific heat of steam is…

A: Given data, Mass = 5 g T1=100°CT2=120°C The specific heat of steam(C) =  0.5 cal/g•°C. To calculate…

Q: How many kJ of heat are necessary to raise the temperature of 10.0kg of liquid water from 24.6C to…

A: Answer           Q = mCvdT given m = 10.0 Kg            m = 10000g…

Q: mass

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Q: Knowing that its specific heat capacity is 1 calorie/(g•°C), how much would the temperature of 16.0…

A: Solution :       Specific heat capacity is defined as the amount of heat required to raise the…

Q: Calculate the amount of heat energy (in joules) released to DROP the temperature of 30.0 g of water…

A: The specific heat of a substance is defined as the amount of heat required for raising the…

Q: 120 grams of ethanol are cooled from 90.0°C to 73.4° C. What is the heat change (in Joules)?…

A: Given data : Mass of ethanol = 120 g Ethanol heat of vaporization  ΔH(vap) = 38.6 kJ/mol = 38600…

Q: 5.0 g of cream at 10.1 °C are added to an insulated cup containing 100.0 g of coffee at 83.3 °C.…

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Q: The ionic salt KBr is dissolved in water, much like the experiments given in the simulation. A mass…

A: The heat energy produced by the potassium bromide solution is calculated as

Q: Specific Heats of Substances Substance Specific Heat (cal/g⋅°C) Brick 0.20 Ethanol 0.58…

A: The concept is based upon specific heat capacity which may be defined as the amount of heat energy…

Q: 11.0 g of cream at 12.9 °C are added to an insulated cup containing 100.0 g of coffee at 92.1 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: 11.0 g of cream at 16.1 °C are added to an insulated cup containing 100.0 g of coffee at 85.3 °C.…

A: Equilibrium temperature of coffee is approx 78.4 °C

Q: How many kJ of heat is needed to raise the temperature of 0.250 L of water in t liquid phase from…

A: Volume of water V = 0.250 LT1 = 24.6 oCT2 = 46.2 oC

Q: 8.0 g of cream at 19.9 °C are added to an insulated cup containing 100.0 g of coffee at 76.5 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: 7.0 g of cream at 22.8 °C are added to an insulated cup containing 150.0 g of coffee at 80.3 °C.…

A: Given :mass of coffee = 150.0gTemperature of  coffee  = 80.3 0CMass of Cream = 7.0gTemperature of…

Q: 5.0 g of cream at 16.6 °C are added to an insulated cup containing 150.0 g of coffee at 91.8 °C.…

A: Given :mass of coffee = 150.0gTemperature of  coffee  = 91.8 0CMass of Cream = 5.0gTemperature of…

Q: Substance Specific Heat Brick 0.20 Ethanol 0.58 Wood 0.10 culate the amount of heat, in calories,…

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Q: How many kJ of heat are needed to raise the temperature of 10.0kg of liquid water from 24 6 °C to 46…

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Q: How much heat, in calories, must be added to a 102.0g iron block with a specific heat of 0.449 J/g…

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Q: 7.0 g of cream at 13.3 °C are added to an insulated cup containing 100.0 g of coffee at 84.0 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: What is the minimum mass of ice at 0°C that must be added to the contents of a can of diet…

A: Heat gained by ice = Heat loss by cola. Now, Mass of cola (m) = 340. mL x 1.00 g/mL    = 340. g.

Q: 12.0 g of cream at 23.0 °C are added to an insulated cup containing 100.0 g of coffee at 78.1 °C.…

A: Mass of Cream = 12.0gTemperature of Cream = 23.0 0CMass of coffee = 100.0gTemperature of  coffee  =…

Q: What is the total heat flow if 40 grams of steam at 143°C is cooled to become water at 34°C? The…

A: mass = 40g  specific heat of steam is 2.0 J/g • °C   specific heat of water is 4.18 J/g • °C heat of…

Q: You mix 13 mL of 1.6 M nitric acid with 78 mL of 0.50 M potassium hydroxide. By how much does the…

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Q: 13.0 g of cream at 22.4 °C are added to an insulated cup containing 150.0 g of coffee at 81.3 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: How many calories are released as 50 g of  water cools from 100 °C to 25 °C? Specific heat of water…

A: We have initial temperature as 100°C final temperature as 25°C , specific heat as 1 cal/g°C, mass as…

Q: 14.0 g of cream at 20.3 °C are added to an insulated cup containing 100.0 g of coffee at 78.8 °C.…

A: Given that 14.0 g cream at 20.3 °C are added to an insulated cup containing 100.0 g of coffee at…

Q: A solution is made by mixing 232.0 mL of ethanol initially at 12.7 ∘C with 232.0 mL of water…

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

Q: Some people add salt to pasta water to cook the pasta faster by increasing the cooking temperature.…

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Q: The specific heat of substance C is 0.93 J/(g K) and that of substance D is 1.8 J/(g K). You are…

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