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5. 250 mL of cold water (2° C) from the refrigerator is in a glass and placed on the counter in the kitchen. After a few hours, the water has heated up to room temperature (22° C). The pressure in the room is constant and is atmospheric (101.4 kPa). a. How much heat did the room add to the water in kJ?

5. 250 mL of cold water (2° C) from the refrigerator is in a glass and placed on the counter in the kitchen. After a few hours, the water has heated up to room temperature (22° C). The pressure in the room is constant and is atmospheric (101.4 kPa). a. How much heat did the room add to the water in kJ?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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**Problem 5:** 250 mL of cold water (2°C) from the refrigerator is in a glass and placed on the counter in the kitchen. After a few hours, the water has heated up to room temperature (22°C). The pressure in the room is constant and atmospheric (101.4 kPa). a. How much heat did the room add to the water in kJ?
Transcribed Image Text:**Problem 5:** 250 mL of cold water (2°C) from the refrigerator is in a glass and placed on the counter in the kitchen. After a few hours, the water has heated up to room temperature (22°C). The pressure in the room is constant and atmospheric (101.4 kPa). a. How much heat did the room add to the water in kJ?
Expert Solution
Step 1: Given

G i v e n space D a t a m equals 250 space g T subscript 2 equals 22 degree C T subscript 1 equals 2 degree C T o space f i n d Q equals ?

Specific Heat of Water

c equals 4.184 space J divided by g minus K


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