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3 years ago

A loose, icy body with a long, narrow orbit is?

Chemistry

2 answers:

Oxana [17]3 years ago

5 0

Answer:

The correct answer is "a comet".

Explanation:

A loose, icy body with a long, narrow orbit is a comet. A comet is made of ice, that is the reason why most comets start to release their gasses in a process known as outgassing when they pass close to the Sun. Comets have a long, narrow orbit that most of time follows an elliptical path respect to the Sun, which allows that most of the comets do not get close to the Earth.

Firdavs [7]3 years ago

3 0

A loose, icy body with a long, narrow orbit is a comet

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A wave is moving toward the shore If its frequency is 2.7 hertz, what is its wavelength? What would the correct number of signif

ArbitrLikvidat [17]

Answer:

λ = 1.1×10⁸ m

Explanation:

Given data:

Frequency of wave = 2.7 Hz

Wavelength of wave = ?

Solution:

Formula:

Speed of wave = frequency × wavelength

Speed of wave = 3×10⁸ m/s

now we will put the values in formula.

3×10⁸ m/s = 2.7 s⁻¹ × λ

λ = 3×10⁸ m/s /2.7 s⁻¹

λ = 1.1×10⁸ m

7 0

3 years ago

The teacher shows students a pictorial model of an atom. Which element is

frutty [35]

Answer:

C. Fluorine because the model has 9 protons which is represented by the atomic number

Explanation:

We usually identify an element by the number of protons in them. The number of protons is the atomic number of an atom.

Every atom has a specific number of protons in them.
This number of protons is the atomic number.
According to the periodic law, atoms are arranged on the periodic table based on their atomic number.
The given fluorine atom has 9 protons which represents the atomic number of the atom.
This way, the given number clearly shows the right model for identifying the chemical specie.

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3 years ago

How can you find the charge on po4

Anvisha [2.4K]

Answer:

Answer:

Explanation:

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7 0

3 years ago

Read 2 more answers

Van dar waals are the dominant molecular force in the sodium chloride.

Vedmedyk [2.9K]

Answer:

Recall the two conceptual steps necessary to dissolve a solute and form a solution

Key Points

There are two conceptual steps to form a solution, each corresponding to one of the two opposing forces that dictate solubility.

The first conceptual step is dissolution, which corresponds to the force of the solvent-solvent and solute-solute intermolecular attractions that needs to be broken down.

The second conceptual step is solvation, which corresponds to the force of the solute-solvent intermolecular attraction that needs to be formed in order to form a solution.

Many intermolecular forces can contribute to solvation, including hydrogen bonding, dipole-dipole forces, Van Der Waals forces, and ion-dipole interactions.

Term

intermolecular forcesattractive and repulsive forces between molecules

The strength of the intermolecular forces between solutes and solvents determines the solubility of a given solute in a given solvent. In order to form a solution, the solute must be surrounded, or solvated, by the solvent. Solutes successfully dissolve into solvents when solute-solvent bonds are stronger than either solute-solute bonds or solvent-solvent bonds.

Qualitatively, one can determine the solubility of a solute in a solvent by using the rule “like dissolves like”. In general, solutes whose polarity matches that of the solvent will generally be soluble. For example, table salt (NaCl) dissolves easily into water (H2O) because both molecules are polar.

Intermolecular Forces and Their Importance in Solution Formation

There are two conceptual steps to form a solution, each corresponding to one of the two opposing forces that dictate solubility. If the solute is a solid or liquid, it must first be dispersed — that is, its molecular units must be pulled apart. This requires energy, and so this step always works against solution formation (always endothermic, or requires that energy be put into the system).

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7 0

3 years ago

How can I explain that orange juice is a homogeneous mixture ?

Masteriza [31]

Answer: It is usually separated from tea leaves by filtration. B Because the composition of the solution is uniform throughout, it is a homogeneous mixture. A Orange juice contains particles of solid (pulp) as well as liquid; it is not chemically pure.

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3 years ago