- 1 attachment - Which one of the following substances will have hydrogen bonding as one of its intermolecular forces? А) B) H- C C || H- C-H || H3C- C- CF 3 H H D) E) H H H H-C H- C-N H F | O A. A О в. В Oc. O D. ОЕ. Е CIH

- 1 attachment - Which one of the following substances will have hydrogen bonding as one of its intermolecular forces? А) B) H- C C || H- C-H || H3C- C- CF 3 H H D) E) H H H H-C H- C-N H F | O A. A О в. В Oc. O D. ОЕ. Е CIH

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter8: Molecules And Materials

Section: Chapter Questions

Problem 8.44PAE

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Concept explainers

States of Matter

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).

Chemical Reactions and Equations

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

1 attachment
Which one of the following substances will have hydrogen bonding as one of its intermolecular forces?
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H-C
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H- C-H
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H3C- C- CF3
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D)
E)
H
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H
H- C- N
C-H
H
F
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O A.
A
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O D. D
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8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is the vapor pressure of ethanol (C2H5OH) at 60°C? (b) Considering only carbon disulfide (CS2) and ethanol, which has the stranger intermolecular forces in the liquid state? (c) At what temperature does heptane (C7H16) have a vapor pressure of 500 mm Hg? (d) What are the approximate normal boiling pains of each of the three substances? (e) At a pressure of 400 mm Hg and a temperature of 70°C, is each substance a liquid, a gas, or a mixture of liquid and gas?
Suppose that three unknown pure substances are liquids at room temperature. You make vapor pressure measurements and find that substance Q has a pressure of torr, substance R has a pressure of 42 torr, and substance S has a pressure of 330 torr. If you slowly increase the temperature, which substance will boil first and which will boil last?
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