III. Write the letter of your answer from the choices in the box. H,0 molecules are cohesive; they form hydrogen bonds with each other. H,O molecules are adhesive; they form hydrogen bonds with polar surfaces. Water is a liquid at normal physiological (or body) temperatures. Water has a high specific heat. Water has a high heat of vaporization (energy needed to evaporate). Water's greatest density occurs at 4°C. A. B. C. D. E. F. 1. During the winter, air temperature in the northern united states can remain below 0°C for months; however, the fish and other animals living in the lakes survive. _2. Many substances- for example, salt (NaCI) and sucrose – dissolve quickly in water. 3. When you pour water into a 25-ml graduated cylinder, a meniscus forms at the top of the water column. 4. Sweating and the evaporation of sweat from the body surface help reduce a human's body temperature. 5. If you touch the edge of a paper towel to a drop of colored water, the water will move up into (or be absorbed by) the towel.
III. Write the letter of your answer from the choices in the box. H,0 molecules are cohesive; they form hydrogen bonds with each other. H,O molecules are adhesive; they form hydrogen bonds with polar surfaces. Water is a liquid at normal physiological (or body) temperatures. Water has a high specific heat. Water has a high heat of vaporization (energy needed to evaporate). Water's greatest density occurs at 4°C. A. B. C. D. E. F. 1. During the winter, air temperature in the northern united states can remain below 0°C for months; however, the fish and other animals living in the lakes survive. _2. Many substances- for example, salt (NaCI) and sucrose – dissolve quickly in water. 3. When you pour water into a 25-ml graduated cylinder, a meniscus forms at the top of the water column. 4. Sweating and the evaporation of sweat from the body surface help reduce a human's body temperature. 5. If you touch the edge of a paper towel to a drop of colored water, the water will move up into (or be absorbed by) the towel.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 86E: During a recent winter month in Sheboygan, Wisconsin, it was necessary to obtain 3500 kWh of heat...
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