la. Take the first baggie which contains CaCl2, and add a few drops of water to the white powder. What happens? Record your observations. In our case we will watch a video !!! Is thermal energy What is the sign of What is the sign of AG for this process? How do you know? How do you know What is the sign of AS for this process? How do you know AH for this released from, or absorbed by the process? system?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 66AP
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la. Take the first baggie which contains CaCl2, and add a few drops of water to the white
powder. What happens? Record your observations. In our case we will watch a video !!!
Is thermal energy
released from, or
absorbed by the
What is the sign of
AG for this
process?
How do you know? How do you know
What is the sign of What is the sign of
AS for this process?
How do you know
AH for this
process?
system?
1b. What do you think is happening? Why is there a temperature change? Does this explain
why the white powder is soluble?
When CaCl2 dissolves in water the temperature increases.
1c. Draw a picture of CaCl2 (s). (Before mixing)
What forces are holding the particles in CaCl2 together?
Transcribed Image Text:la. Take the first baggie which contains CaCl2, and add a few drops of water to the white powder. What happens? Record your observations. In our case we will watch a video !!! Is thermal energy released from, or absorbed by the What is the sign of AG for this process? How do you know? How do you know What is the sign of What is the sign of AS for this process? How do you know AH for this process? system? 1b. What do you think is happening? Why is there a temperature change? Does this explain why the white powder is soluble? When CaCl2 dissolves in water the temperature increases. 1c. Draw a picture of CaCl2 (s). (Before mixing) What forces are holding the particles in CaCl2 together?
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