How many calories are required to heat 731 g of water from 8°C to 74°C?

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: How much heat (in joules) is used to heat an 80.88-gram sample of iron from 3.59 °C to 100 °C if the…

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Q: A serving size of five cookies contains 9 g of fat, 16 g of carbohydrates, and 2 g of protein. If…

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Q: A runner burns 2.46×10^3 kJ during a five-mile run. How many nutritional Calories did the runner…

A: A runner burns 2.46 * 10^3 kJ during a five-mile run.  2.46 * 10^3 kJ = 2.46 * 10^6 J To find…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 809.0 mg sample…

A: Given, mass (m) = 809.0 mg = 0.809 g Initial temperature (Ti) = 52.2 °C = (52.2 + 273.15) K = 325.35…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 165.0 g sample…

A: We have been given initial temperature, final temperature, mass of sample and heat required to raise…

Q: lacmillan Learning Carbohydrates serve as a vital source of chemical energy to the human body.…

A: 1 KJ = 0.239 Kcal  So  119 KJ = 119 X 0.239 Kcal             =  28.44 Kcal

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 477,0 g sample…

A: Mass of the sample = 477.0 gInitial temperature (T1) = Final temperature (T2) = Amount of heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

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Q: If calorie raises the temperature of 1ml of water by 1ºC, how many calories are needed to raise the…

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Q: How many calories are required to raise the temperature of a 35.0 g sample of iron from 25 °C to 35…

A: given, the weight of a sample of iron = 35.0g initial temperature, T1 = 25 0C Final temperature, T2…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 663.0 mg sample…

A: Given Mass = 663 mg = 663 x 10-3 g Heat = 12.8 J T1 = 0°C T2 = 21.4°C

Q: Calculate the heat (q) for 195 grams of pure water heated from a temperature of 25.0 °C to 77.5 °C.…

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Q: How many calories are needed to raise 500 grams of water from 25 degrees Celsius to 40 degrees…

A: mass of water(m) = 500 gspecific heat(c) = 4.18 J/goCTi = 25oCTf = 40oC

Q: In the laboratory a student finds that it takes 48.7 calories to increase the temperature of 11.6…

A: Using formula of specific heat capacity and by putting values given we have solved this problem.

Q: 49.6g of water is heated from 22.3 degrees C to 101.2 degrees C. How many calories did this take?

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Q: How many calories of energy would be required to heat 120.0 grams of pure silicon dioxide (glass)…

A: Weight of pure silicon dioxide (w) = 120.0 gmInitial temperature (T1) = 23.50°C Final temperature…