Pls answer number 5 thank you 1. How much heat is released when 165 g of liquid benzene, CoH6 (1), cools from 78.0°C to 12.0°C? (Sp.heat of C,H6 (1) = 1.74 J/g•°C)2. If 100. grams of liquid water at 100.°C and 200. grams of water at 20.0°C are mixed in an insulatedcontainer, what will the final temperature of the mixture be? (Sp. heat of H2O (1) = 4.18 J/g•°C)3. Using the Clausius-Clapeyron equation determine the vapor pressure of water at 50.0°C. The molar heatof vaporization of water is 40.7 kJ/mol.4. The density of ice is less than that of water, which is rare for a solid. Discuss some situations in life thatwould be different if this were not true.5. Using a phase diagram, explain why the sublimation of ice is not possible at room temperature.

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5. Using a phase diagram, explain why the sublimation of ice is not possible at room temperature.

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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Concept explainers

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The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

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When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

Pls answer number 5 thank you

1. How much heat is released when 165 g of liquid benzene, CoH6 (1), cools from 78.0°C to 12.0°C? (Sp.
heat of C,H6 (1) = 1.74 J/g•°C)
2. If 100. grams of liquid water at 100.°C and 200. grams of water at 20.0°C are mixed in an insulated
container, what will the final temperature of the mixture be? (Sp. heat of H2O (1) = 4.18 J/g•°C)
3. Using the Clausius-Clapeyron equation determine the vapor pressure of water at 50.0°C. The molar heat
of vaporization of water is 40.7 kJ/mol.
4. The density of ice is less than that of water, which is rare for a solid. Discuss some situations in life that
would be different if this were not true.
5. Using a phase diagram, explain why the sublimation of ice is not possible at room temperature.

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