Chemistry, 27.08.2019 00:30, onlymyworld27
Acandy bar has a total mass of 75.0 grams. in a calorimetry experiment, a 1.0-g sample of this candy bar was burned in a calorimeter surrounded by 1000g of water. the temperature of the water in contact with the burning candy bar was measured and found to increase from an initial temperature of 21.2c to a final temperature of 24.3c.
a. calculate the amount of heat in calories release when the 1.0-g sample burned.
b. convert the heat in calories to nutritional calories and then calculate the energy content (fuel value) in cal/g.
c. calculate the total caloric content of the candy bar in calories.
Answers: 1
Chemistry, 22.06.2019 06:40, alyons60
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
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Chemistry, 22.06.2019 09:40, keiracoles
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Answers: 1
Acandy bar has a total mass of 75.0 grams. in a calorimetry experiment, a 1.0-g sample of this candy...