Explain why water boils at higher temperature under higher pressure (pure substancesaturation temperature depends on pressure). Use knowledge of energy and energytransferring at molecular or atomic level during the phase change of a substance. You donot need to show calculations.• (a) the amount of heat absorbed as 1 kg of saturated liquid water boils at 100°C. (b) theamount of heat released as 1 kg of saturated water vapor condenses. Is a >b, a=b, or a

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water boils at higher temperature under higher pressure (pure substance

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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Question

Explain why water boils at higher temperature under higher pressure (pure substance
saturation temperature depends on pressure). Use knowledge of energy and energy
transferring at molecular or atomic level during the phase change of a substance. You do
not need to show calculations.
• (a) the amount of heat absorbed as 1 kg of saturated liquid water boils at 100°C. (b) the
amount of heat released as 1 kg of saturated water vapor condenses. Is a >b, a=b, or a<b?
Why?
• Briefly describe what vacuum cooling is. Give an example of how people use this principle
in the food industry.

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