6. A coffee cup calorimeter contains 480.0g of water at 25.00°C. To it are added: 380.0g of water at 53.5°C and 525.0g of water at 65.5°C. Calculate the expected final temperature of the mixture. (Hint: treat as 3-component system) Show your work/calculations:
6. A coffee cup calorimeter contains 480.0g of water at 25.00°C. To it are added: 380.0g of water at 53.5°C and 525.0g of water at 65.5°C. Calculate the expected final temperature of the mixture. (Hint: treat as 3-component system) Show your work/calculations:
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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Can i get an explanation on how to do both of these practice chemistry problems. I need to learn the procedures to solve the equations so can you please be detailed as to how you got the answers for each question. Thank you!
Transcribed Image Text:6. A coffee cup calorimeter contains 480.0g of water at 25.00°C. To it are added: 380.0g of water
at 53.5°C and 525.0g of water at 65.5°C. Calculate the expected final temperature of the mixture.
(Hint: treat as 3-component system)
Show your work/calculations:
7. At 6:00pm, you put a 300.0g copper pan (specific heat Cu=0.385J/g°C) containing 800.0mL of
water (all at 25.0°C) on the stove. The stove supplies 628J/s.
a. How long will it take in seconds for the water to reach boiling?
b. At approximately what time does the water first begin to boil? (Hint: calculate q for the water and
the pan) Remember density! (Please provide answer in the form 1:05pm and 15 sec or 9:30am and
25 sec-must include am/pm and seconds in answer b).
Show your work/calculations:
a)
b)
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