The residential property of water that contributes to its capacity to stick to certain surfaces is called __________.

You are watching: Why does water have a high boiling point


Explanation:

Water is a polar molecule, and also therefore can adhere to different surfaces; hence, adhesion is the correct answer right here. Cohesion is cshed, as cohesion defines the capacity of water to stick to itself due to its polarity. We desire the home that enables water to stick to various other surfaces, not to itself. Polymerization involves chains of comparable molecules, and also does not happen in water. Parsimony is the principle that the easiest explacountry is generally the truth of a case (such as once tracing evolutionary histories). Gravity does not play right into the properties of water.


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Example Question #1 : Ap Biology


Water"s capability to produce intermolecular hydrogen bonds results in its incapacity to break up which of the following compounds?


Possible Answers:

Ions


Lipids


Sugars


Amino acids


Correct answer:

Lipids


Explanation:

Nonpolar compounds will not be adequately liquified in aqueous solutions. Lipids are nonpolar compounds that are greatly insoluble in water. This causes lipids to congregate together, rather than be broken apart in aqueous remedies. Lipids will primarily come together to develop globs or balls called micelles.

Ions, amino acids, and sugars (carbohydrates) are all polar, and also will be adequately dissolved and also ionized by water.


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Example Concern #2 : Ap Biology


What property of water permits it to have a really high boiling point?


Possible Answers:

Amphoteric nature


Salt formation


Autoionization


Hydrogen bonding


Van der Waals forces


Correct answer:

Hydrogen bonding


Explanation:

Water has actually an abnormally high boiling allude for a liquid. This is pertained to the intermolecular forces in between water molecules; when a liquid has particularly large intermolecular pressures, it will have actually a greater boiling suggest. Large intermolecular forces in between molecules will favor the liquid state over the gaseous state.

Water is comprised of oxygen and also hydrogen and also deserve to create hydrogen bonds, which are specifically strong intermolecular forces. These strong intermolecular forces cause the water molecules to "stick" to one an additional and resist transition to the gaseous phase.


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Example Question #1 : Ap Biology


Which of the complying with intermolecular interactions is easiest to disrupt through a change in temperature?


Possible Answers:

Ionic bonds 


Covalent bonds 


Hydrogen bonds 


Peptide bonds 


Correct answer:

Hydrogen bonds 


Explanation:

Hydrogen bonding can quickly be disrupted by alters in temperature. It is important to note that hydrogen bonding is not a true example of a chemical bond, yet quite an intermolecular pressure. Hydrogen bonds are essential for the formation of protein structure and also DNA base pairing. When proteins and DNA are exposed to heat, they degrade as these hydrogen bonds are broken.

Covalent bonds, which include peptide bonds, and ionic bonds are examples of real chemical bonds that need high quantities of power before they can be quickly disrupted. These bonds are thought about even more long-term interactions than other intermolecular forces.


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Example Concern #1 : Ap Biology


In recommendation to water, what to do cohesion, surface stress, and adhesion all have actually in common?


Possible Answers:

All are created by ionic bonding


All are properties related to hydrogen bonding


All are results of the structure of hydrogen atoms


All are facets of a crystalline structure


All are created by covalent bonding


Correct answer:

All are properties related to hydrogen bonding


Explanation:

These properties of water are all an outcome of hydrogen bonding. Hydrogen bonds result from the electrical attractivity in between partially positive hydrogen atoms and also partly negative oxygen atoms of adjacent water molecules. The distinctions in electronegativity in between hydrogen and oxygen offer climb to the hydrogen bonding and connected properties.

Attraction and also polarity in water molecules cause them to "stick" to one one more. Attraction in between water molecules outcomes in cohesion, and attractivity between the water molecules and other compounds in the setting outcomes in adhesion. The high surchallenge stress and anxiety of water is brought about by the "sticking" of water molecules to one another, which store vapor press low.

Hydrogen bonding is a temporary intermolecular pressure, and also is various from covalent or ionic bonding. Covalent and also ionic bonding bring about permanently joined atoms to build molecular frameworks.


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Example Concern #1 : Understanding Essential Properties Of Water


It is a warm summer day. When you clutch a cold glass of water, just how is warmth power transferred?


Possible Answers:

From the glass to your hand by conduction


From the air to your hand by convection


From the glass to your hand also by radiation


From your hand to the glass by radiation


From your hand also to the glass by conduction


Correct answer:

From your hand also to the glass by conduction


Explanation:

There are 3 develops of warm transfer: radiation, convection, and conduction. Radiation is the transport of warm via electromagnetic waves, such as sunlight of microwaves. Convection is the deliver of warmth with a liquid tool, such as water or air currental fees. Conduction is the straight transport of heat in between environments via physical contact. Due to the fact that your hand is in physical call via the glass, warm is moved by conduction.

Heat is always transferred from a body of higher temperature to a body of lower temperature. Since your hand is warmer than the glass, warmth is transferred from the hand also to the glass. It have the right to be much easier to think of heat transfer in terms of concentration. Like molecules, warmth power will certainly travel from a region of high concentration (hotter) to a region of low concentration (colder) in order to reach equilibrium.


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Example Question #1 : Biochemical Concepts


Water often travels in between cells and the environment using osmosis, wright here it diffuses from locations through low solute concentration (wbelow even more water is present) to locations through greater solute concentration (wbelow there is fairly much less water). Which answer option is an example of osmosis?


Possible Answers:

A cell is put in an isotonic atmosphere and also instantly loses a great deal of its water content to its surroundings


A normal cell is placed in pure water; water from the atmosphere flows right into the cell and also reasons it to swell


A normal cell is inserted in pure water; water from the cell flows out right into the bordering liquid and causes the cell to shrink


A cell is inserted in a hypertonic environment; water flows into the cell and reasons it to swell


Correct answer:

A normal cell is inserted in pure water; water from the setting flows right into the cell and also reasons it to swell


Explanation:

To choose the correct answer, you need to understand the distinction between hypertonic, hypotonic, and also isotonic. A hypertonic solution, such as sea water through a high salt content, has even more solute than a normal cell. Water will certainly circulation out of the cell and also into the setting in an attempt to equalize the amount of solute in the 2 "compartments." An isotonic solution has the same relative amount of solute as the cell to which it is being compared, so no concentration gradient exists and also no net diffusion will certainly take place. Finally, a hypotonic solution contains much less solute than the cell also which it is being compared.

Pure water will certainly constantly have less solute concentration than a cell, producing a hypotonic connection. The solution is hypotonic to the cell (much less solute) and the cell is hypertonic to the water (even more solute). Water will circulation from the hypotonic atmosphere to the hypertonic cell, leading to it to swell in size.


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Example Concern #2 : Ap Biology


What causes water"s high heat capacity?


Possible Answers:

Cohesion


Low boiling point


Low thickness as a solid


Adhesion


Correct answer:

Cohesion


Explanation:

Cohesion is the outcome of enhanced toughness of hydrogen bonding in between many type of water molecules. This enhanced stamina needs a great amount of warm in order to break the hydrogen bonds between molecules, in order for these molecules to come to be vapor. Cohesion and also hydrogen bonding are the cause for water"s low vapor press, high boiling point, and also high warmth capacity.

Adhesion is water"s building to adright here to a surconfront, and is the cause of capillary action. Water does have low density as a solid, which permits ice to float, but is not the reason for water"s high heat capacity. Water has a high boiling suggest, considering its low mass.


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Example Concern #6 : Ap Biology


Which phase of water in the many dense?


Possible Answers:

Water has actually the same thickness in any of its phases


Gas


Supercritical fluid


Liquid


Solid


Correct answer:

Liquid


Explanation:

Water, unfavor many various other compounds, has actually a number of one-of-a-kind properties because of its hydrogen bonding between molecules. The hydrogen bonds are fairly strong, leading water to have actually incredibly low vapor push and high surface tension. A side result of the hydrogen bonding, however, is that when water crystallizes, the molecules will inevitably align so that the hydrogen bonds are maintained. The solid lattice framework of water molecules is, thus, not exceptionally tightly packed. The structure is ideal to optimize intermolecular pressures, quite than room and also volume. The density of the solid (ice) is hence less than the density of the liquid water.

Water vapor (gas) and supercritical water both have lower densities than ice, making liquid water the the majority of thick.


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Example Concern #3 : Ap Biology


What property of water allows it to have actually an uncommonly high boiling point?


Possible Answers:

It includes oxygen


It has actually a low molecular weight


It is a small molecule that deserve to load tightly


It is in a bent shape


It have the right to develop hydrogen bonds


Correct answer:

It can develop hydrogen bonds


Explanation:

Boiling point is generally determined by a couple of factors that are directly related to molecular weight and also intermolecular pressures. In general, lighter molecules have lower boiling points and also molecules through more powerful intermolecular pressures have actually higher boiling points.

Water is reasonably light, however has exceptionally solid hydrogen bonding. Hydrogen bonding is the strongest intermolecular force and also will act to pull water molecules closer to each various other. The result is a thick liquid that does not conveniently shift right into a less thick gas. In order for water to boil these intermolecular hydrogen bonds need to be broken, which takes power. A higher energy input implies a greater boiling point.

The shape and complace of water are not especially appropriate to its boiling point, and also being a small, light molecule would certainly be conducive to a low boiling point rather than a high boiling suggest.

See more: What Does Get Your Feet Wet Mean Ing & Examples), Get One'S Feet Wet Definition & Meaning


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