Even though water is a liquid, some insects are able to stand on its surface due to water's high surface tension. Unbalanced forces pull the water molecules inward which causes the surface of the liquid to have properties similar to that of a stretched elastic membrane. What is responsible for the unbalanced forces in water?A. ionic bonds
B. a neutral pH
C. hydrogen bonds

Answers

Answer 1

Answer: The answer is letter C. hydrogen bonds. Surface tension in water, which makes water form drops and causes the surface to form a curve above the mouth of a container, results from the water molecules being strongly held by H bonds to those water molecules beside and beneath them. The cohesion among water molecules and the adhesion of water to other materials like rock and soil make capillarity possible.

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As you move down group one of the periodic table, what happens to the atomic radii?

The main difference between heat and temperature is the temperature is solely dependent on what

Answers

Heat is the total energy of molecular motion in a substance while temperature is a measure of the average energy of molecular motion in a substance.

Hope this helped :)

Why are units used that are to express the densities of gases different from those used to express the densities of solids or liquids

Answers

If the units for gases were the same as the units for numbers would be too small to be convenient.

For example, the density of iron is 7.87 g/cm³.

Using the same units, the density of hydrogen is 0.000 0899 g/cm³.

It is much more convenient to express the density in numbers that are easier to visualize: 0.0899 g/L, and that is still a small number.

What is the definition of anion

Answers

Answer:

Negatively charged ion.

Explanation:

Example:

Oxygen is an element containing negatively charged ions. Its valence number is minus 2.

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Given the formula:The bond between which two atoms has the greatest degree of polarity?
A. C and C
B. C and O
C. H and C
D. H and O

Answers

The bond between hydrogen and oxygen has the greatest degree of polarity as there is wide electronegativity difference between the atoms.

What is an atom?

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

Learn more about atom,here:

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I would say D because oxygen is a highly electronegative atom and the OH b bonding is known to have high levels of polarity for example H-O-H in water. This is why alcohols are miscible in water eventhough they are mostly non-polar.

The CH bond is more likely to be non-polar as it is with alot of hydrocarbons.

Hi i need hel does any one know what P3N2 means ??? .-.

Answers

P=phosphorus
N=nitrogen
P3N2 is triphosphorus dinitrogen (a covalent compound)

How did us participation in ww1 affect the american civilian population

Answers

US participation in world war 1 affect the american civilian population in this following way : women had to get jobs and get more opportunities
Since the majority of the men have to go to the war, the business in the homeland was being taken care of by women

hope this helps

Answer:

explained below.

Explanation:

World war 1 leads to suffer the Americans people a lot .

Young men were forced to go for war which leads to the deplete the financial condition of the house hold. Industry starts to suffer a lot as most of the people who were working has to go for war and man power decreases.

Which leads women to come out of there houses and took job for them so, that they can full fill there needs which starts the new era where woman also start working with men.

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