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What is the temperature change in Celsius when 29.5 L of water absorbs 2.3 kWh of heat?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 99P Chapter 3

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 99P

Problem 99P

What is the temperature change in Celsius when 29.5 L of water absorbs 2.3 kWh of heat?

Step-by-Step Solution:
Step 1 of 3

Solution 99P

Answer :

29.5 L of water has a mass of 29.5 kg

1 Watt-second = 1 joule

1 kW-second = 1000 joules

1 kW-hour = 1000*3600 joules = 3600 kJ

2.3 kW-hours = 2.3*3600 kJ = 8280 kJ

Heat gained by water = mass*specific heat*temperature rise

specific heat of water = 4.18 kJ/kgC

8280 = 29.5*4.18*temperature rise

temperature rise = 8280/(29.5*4.18) = 8280/123.31 = 67.147 degrees C

= 67.1 degrees C to 3 significant figures.

Step 2 of 3

Chapter 3, Problem 99P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. The answer to “What is the temperature change in Celsius when 29.5 L of water absorbs 2.3 kWh of heat?” is broken down into a number of easy to follow steps, and 17 words. The full step-by-step solution to problem: 99P from chapter: 3 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. Since the solution to 99P from 3 chapter was answered, more than 977 students have viewed the full step-by-step answer. This full solution covers the following key subjects: absorbs, celsius, change, heat, kwh. This expansive textbook survival guide covers 19 chapters, and 2046 solutions.

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What is the temperature change in Celsius when 29.5 L of water absorbs 2.3 kWh of heat?