part A A sweet beverage drink contains sugar labeled as having 95 Calories (95kc

Q: part A A sweet beverage drink contains sugar labeled as having 95 Calories (95kc

1 cal = 4.184 J so 95 cal = 95000*4.184= 397480 = 397.48 KJ 1 quart = 946.352 gm so Q = m*Cp*dT Q = 397.48 KJ Co = 4.18 J/gK m = 946.352 gm so dT = Q/M*Cp = 100.4 C final temp = 0 + 100.4 = 100.4 C as it cant exceed 100 C so final temp is 100 C

ID: 782865 • Letter: P

Question

part A

A sweet beverage drink contains sugar labeled as having 95 Calories (95kcal) of energy. how many kilojoules are there in 95.0 Calories?

part B
If all of this energy (95 Cal) is used to heat one quart of ice water (at 0 degrees C), what will be the final temperature (degrees C) of the water? (hint, first find the mass (g) of one quart of water). part B
If all of this energy (95 Cal) is used to heat one quart of ice water (at 0 degrees C), what will be the final temperature (degrees C) of the water? (hint, first find the mass (g) of one quart of water).

Explanation / Answer

1 cal = 4.184 J

so 95 cal = 95000*4.184= 397480 = 397.48 KJ

1 quart = 946.352 gm

so Q = m*Cp*dT

Q = 397.48 KJ

Co = 4.18 J/gK

m = 946.352 gm

so dT = Q/M*Cp = 100.4 C

final temp = 0 + 100.4 = 100.4 C

as it cant exceed 100 C so final temp is 100 C

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