liquid. 3. The partial pressure of a liquid at which the rates of evaporation and condensation are equal is called the vapor pressure of the liquid. 4. The boiling point af water in Baguio city is higher than 100C. 5. The stronger the attraction between the liquid particles, the greater the viscosity of the liquid is. 6. The molar heat of vaporization of a substance is the amount of heat absorbed by the substance during a phase change from liquid to solid. 7. As a substance undergoes a phase change, the temperature remains constant. 8. The conversion from liquid to gas at the boiling point of the liquid is called evaporation. 9. The normal boiling point of a liquid is the
liquid. 3. The partial pressure of a liquid at which the rates of evaporation and condensation are equal is called the vapor pressure of the liquid. 4. The boiling point af water in Baguio city is higher than 100C. 5. The stronger the attraction between the liquid particles, the greater the viscosity of the liquid is. 6. The molar heat of vaporization of a substance is the amount of heat absorbed by the substance during a phase change from liquid to solid. 7. As a substance undergoes a phase change, the temperature remains constant. 8. The conversion from liquid to gas at the boiling point of the liquid is called evaporation. 9. The normal boiling point of a liquid is the
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
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
Write True if the statement is true; otherwise, write False.
1. The intermolecular forces on the liquid particles at the surface are balance
2. The weaker the intermolecular forces present. the lower the boiling point of a
liquid.
3. The partial pressure of a liquid at which the rates of evaporation and
condensation are equal is called the vapor pressure of the liquid.
4. The boiling point af water in Baguio city is higher than 100C.
5. The stronger the attraction between the liquid particles, the greater the
viscosity of the liquid is.
6. The molar heat of vaporization of a substance is the amount of heat absorbed by
the substance during a phase change from liquid to solid.
7. As a substance undergoes a phase change, the temperature remains constant.
8. The conversion from liquid to gas at the boiling point of the liquid is called
evaporation.
9. The normal boiling point of a liquid is the boiling point of the liquid when
external pressure is equal to 1 atm.
10. Liquid drops are spherical in shape because of the surface tension in the liquid.
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