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...
Related questions
Question
100%
calculate the energy required to heat ethanol using the information from the attatched picture
Expert Solution
Step 1 Introduction
Specific heat capacity : Amount of heat required to raise the temperature of 1 kilogram (Kg) substance by 1 kelvin
mathametical expression
Q = m S
Given that
Q = heat energy required = ? J
m = mass of ethanol = 0.3 Kg x 1000 g/ 1 Kg = 300 g
S = specific heat = 2.44 J/g K
= (19.5 oC - 7.8 oC) = (292.5 K - 280.8 K ) = 11.7 K
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