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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Transcribed Image Text:Energy Curve Worksheet
Below is a diagram showing a typical heating/cooling curve for water. It reveals a wealth
of information about the structure and changes occurring in water as it is heated or cooled
through all three phases of matter at different temperatures. At the top of the diagram are
pictures representing the typical particle arrangement as substances change through their states.
130
A
B
D
E
Gas
100
IGas - Liquid
Liquid
Liquid-
! Solid
Solid
Heat Added
(Endothermic)
Heat removed (Exothermic)
Identify by letters (A-E) in which section the following are found:
1.
Solid getting warmer
10.
Particles are rigid & compressed
Liquid getting warmer
11.
Particles closest together
3.
Gas getting warmer
12.
All particles able to move past each
4.
Freezing/ Solidifying
other in fluid motion
5.
Melting/ Liquefying
13.
Condensation occurs
6.
Boiling point
14.
Strongest IMF
Particle motion is stationary
Particles are most chaotic and
7.
Boiling (Vaporization)
15.
8.
Particles farthest apart
16.
Weakest IMF
disordered. Have the most entropy.
Temperature H2O (°C)
2,
9,
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