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skelet666 [1.2K]
3 years ago
8

Which of the following best explains how hydrogen bonding aftects the heat of vaporization for water?

Biology
1 answer:
dlinn [17]3 years ago
5 0

Answer: A. The hydrogen bonds cause water to resist a change in temperature.

Explanation:

Heat of vaporization is defined as the amount of heat required to convert 1 mole of liquid to gaseous state.

Water has high heat of vaporization due to the presence of strong hydrogen bonds between  hydrogen and a electronegative element oxygen. As the water molecules are strongly bonded to each other, large amount of heat is required to raise the temperature of water.

The molecules will not be able to gain enough kinetic energy and thus temperature changes slowly.

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Why do plant cells have a cell wall and plant cells don’t?
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So animal cells can have various shapes, but plant cells only havethe shapes of their cell walls. That's nice for plants, because it gives them the ability to grow up and out, where they can get lots of sunlight for making their food.

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants tohave rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change siz
Exactly why plant cell have wall and animal cell don't :-Cell walls are supporting structures that help the plant to have a fixed shape and protect it from injury. Other than that, it helps to keep the plant turgid so that it can stay firm and upright. Because when it enters a high water potential solution, as water moves in, the water exerts turgor pressure on the cell wall and the cell wall thus exerts an opposing pressure to keep water out. Hence cell wall is needed for the plant.

On the other hand, animal cells do not need to keep the structures, as they have the skeletal system to protect the organs and cushion them against any external Injuries.


This was the all information I had thank you.
5 0
3 years ago
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How does water enter the atmosphere? a. liquid water evaporates from lakes when heated by the sun. b. frozen water sublimates fr
pentagon [3]

Answer:

<u>d</u>

Explanation:

Water enters the atmosphere by :

⇒ liquid water evaporates from lakes when heated by the Sun

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7 0
2 years ago
In homeostasis, what is it that produces the response that moves the physiological variable back towards the middle of its healt
insens350 [35]

Answer:

effector

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During mating season, male sheep produce hormones that make them aggressive. This is an _____ effect.
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The answer would be Activational <span />
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3 years ago
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Vladimir79 [104]

Answer:

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Explanation:

Hope that helped

6 0
3 years ago
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