The reason why water absorbs a great amount of heat with little increases in its temperature and also determines the name of this property of water. Introduction: Water is transparent chemical substances that lack taste, color or odor. They are polar molecules and have a tendency to form a hydrogen bond.

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Chapter 2, Problem 5RQ

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The reason why water absorbs a great amount of heat with little increases in its temperature and also determines the name of this property of water.

Introduction:

Water is transparent chemical substances that lack taste, color or odor. They are polar molecules and have a tendency to form a hydrogen bond.

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Which of the following are properties of water that make itimportant for living cells?(a) It is a polar molecule that can form solutions.(b) It has high surface tension.(c) It has a high specific heat.(d) It can participate in dehydration and hydrolysisreactions.(e) All of the above.

The molecule can absorb heat from the environment without changing its chemical structure, as will occur when there is a local temperature increase. The molecule will have a higher energy. If the increase in energy is above KT (i.e., the entire environment has not increased its temperature), the molecule will come to thermal equilibrium with the environment around it, and return to its original energy state. Which one of the following is example to this? Select one: a. The absorbance of radiant energy by Melanin pigment in the skin. b. Conversion of 11-cis form of retinal to the all-trans form of retinal upon exposure to light, with a maximum absorbance at 500 nm. c. Thymine-thymine and thymine-cytosine pyrimidine bridges formation upon exposure of DNA to UV-B radiation. d. The translucent to opaque conversion of egg whites when cooked by increasing the temperature.

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