Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to boiling. However, Duncan has prepared ramen noodles so many times he does not need to measure the water carefully. If he happens to heat 0.850 pint of room-temperature water, how many kilojoules of heat energy will have been absorbed by the water at the moment it begins to boil? Express your answer numerically in kilojoules. ▸ View Available Hint(s) energy absorbed= 15] ΑΣΦ ESSE ? kJ
Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to boiling. However, Duncan has prepared ramen noodles so many times he does not need to measure the water carefully. If he happens to heat 0.850 pint of room-temperature water, how many kilojoules of heat energy will have been absorbed by the water at the moment it begins to boil? Express your answer numerically in kilojoules. ▸ View Available Hint(s) energy absorbed= 15] ΑΣΦ ESSE ? kJ
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please help white part b.
Transcribed Image Text:▼ Part A
▼
Duncan takes a break from studying and goes to the gym to swim laps. If swimming burns 7.65x105 cal per hour, how many kilojoules does swimming burn in
that same amount of time?
In other words, convert 7.65x105 cal to kilojoules.
Express your answer numerically in kilojoules.
► View Available Hint(s)
7.65x105 cal = 3200 kJ
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Part B
Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to boiling. However, Duncan has prepared ramen noodles so
many times he does not need to measure the water carefully. If he happens to heat 0.850 pint of room-temperature water, how many kilojoules of heat energy
will have been absorbed by the water at the moment it begins to boil?
Express your answer numerically in kilojoules.
► View Available Hint(s)
energy absorbed =
Submit
Π ΑΣΦ 1
?
kJ
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