Ight I just here’s my first one

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Answer 1

Answer:

Answer:

Explanation:

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How does ice rain and wind change rocks

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this is actually a pretty good question. when rain and wind and ice hit rocks it slowly chips away the big rocks and turns them into smaller rocks it's called deposition.
it is a lot like rust on metal it takes awhile but soon enough it will rust completely or turn the big rock into dust rocks.

Unlike food webs, food chains

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Food chain follows just one path: along this path it is unambiguous who eats whom.

Food webs don't follow a single path, but are multiple food chains, interconnected.

So, unlike food webs, food chains only follow a single path along which the energy can go.

what happens when you immerse a dialysis bag containing 60% sucrose in a beaker with distilled water?\

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Answer:

70 peeecenr is thee answe

Ethanol and dimethyl ether have different chemical and physical properties because they have different(1) functional groups
(2) molecular masses
(3) numbers of covalent bonds
(4) percent compositions by mass

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The correct answer is option 1. Ethanol and dimethyl ether have different chemical and physical properties because they have different functional groups. Ethanol is an alcohol while the latter is an ether. They have different functional groups and different structures thus different properties.

What are the intermolecular forces that exist between molecules of NH3, H2O and HF called ?

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I think, is HYDROGEN BOND!
This is some kind of is the electrostatic attraction between polar molecules that occurs when a hydrogen (H) atom bound to a highly electronegative atom such as nitrogen (N), oxygen (O) or fluorine (F)... see image below! ;-)

Final answer:

The intermolecular forces that exist between molecules of NH3, H2O, and HF are hydrogen bonding, dipole-dipole interactions, and London dispersion forces.

Explanation:

The intermolecular forces that exist between molecules of NH3, H2O, and HF are called hydrogen bonding, dipole-dipole interactions, and London dispersion forces. Hydrogen bonding occurs between a hydrogen atom bonded to a highly electronegative atom (such as O, N, or F) and a lone pair of electrons on a nearby molecule. Dipole-dipole interactions occur between molecules with permanent dipole moments, while London dispersion forces occur due to the temporary formation of induced dipoles in adjacent molecules.

Elements can combine to form molecules, like o2 or co2. elements combine to form molecules and these elements are joined together by a. chemical bonds.
b. nuclear energy.
c. sharing nuclei.
d. attractive forces.

Answers

Elements can combine to form molecules, like o2 or co2. elements combine to form molecules and these elements are joined together by chemical bonds i.e covalent bond in this molecule so option A is correct
hope this helps

Answer:

a. Chemical bonds.

Explanation:

Hello,

In this case, it is necessary to know that when two elements are not stable by their own they should bond with an other atom of the same element via chemical bonds whereby the valence electrons act as bridges connecting the atoms. Some examples are diatomic-gaseous hydrogen, oxygen, nitrogen, chlorine, iodine, fluorine and bromine. Moreover, such chemical bonding is represented by lines binding the elements as shown on the attached picture.

Best regards.

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