How do intermolecular forces relate to the physical properties of substances? (ou will examine several physical properties of three liquids: water, ethanol, and yclohexane. The chemical structure of each chemical is in the table below. Water Ethanol Cyclohexane H- -OH H. H 1. Solubility If two liquids mix together (no layer forms), they are soluble. Try different combinations of the three liquids in a small test tube to determine which are soluble in each other. Use approximately 5 mL of each liquid. Dispose of your combinations in the "IMF Discovery" waste beaker. a. Record your observations. b. Describe the polarity (polar or non-polar) of each molecule. Which polarities mix and which do not? Use the concept of intermolecular forces to explain your observations. 2. Surface Tension

How do intermolecular forces relate to the physical properties of substances? (ou will examine several physical properties of three liquids: water, ethanol, and yclohexane. The chemical structure of each chemical is in the table below. Water Ethanol Cyclohexane H- -OH H. H 1. Solubility If two liquids mix together (no layer forms), they are soluble. Try different combinations of the three liquids in a small test tube to determine which are soluble in each other. Use approximately 5 mL of each liquid. Dispose of your combinations in the "IMF Discovery" waste beaker. a. Record your observations. b. Describe the polarity (polar or non-polar) of each molecule. Which polarities mix and which do not? Use the concept of intermolecular forces to explain your observations. 2. Surface Tension

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

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

B. How do intermolecular forces relate to the physical properties of substances?
You will examine several physical properties of three liquids: water, ethanol, and
cyclohexane. The chemical structure of each chemical is in the table below.
Water
Ethanol
Cyclohexane
%23
H-
-OH-
ymmm
1. Solubility
If two liquids mix together (no layer forms), they are soluble. Try different
combinations of the three liquids in a small test tube to determine which are soluble
in each other. Use approximately 5 mL of each liquid. Dispose of your combinations
in the "IMF Discovery" waste beaker.
a. Record your observations.
b. Describe the polarity (polar or non-polar) of each molecule. Which
polarities mix and which do not?
c. Use the concept of intermolecular forces to explain your observations.
2. Surface Tension
Place a drop of each liquid on a piece of wax paper. Describe each drop and measure
the diameter of each drop. How many drops of each liquid can you place on the
surface of a penny?
a. Record your observations
b. Define surface tension in your own words. Give a real-life example of
when surface tension would be important or is used.
c. Use the concept of intermolecular forces to explain your observations.

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