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Lynna [10]
3 years ago
9

Identify two characteristics of water that are a result of its molecular structure. Describe how each characteristic is related

to the molecular structure of water.
Chemistry
1 answer:
photoshop1234 [79]3 years ago
4 0

Answer:

Explained below

Explanation:

1) Hydrogen bonds are formed between molecules

All these is because the bonds are flexible in such a manner that in the liquid phase, the molecules are relatively close to each other.

However, it is also noted that the hexagonal arrangement of ice is formed the bonds will be locked in place which will result in the average distance between molecules actually increasing which in turn means given a result that ice is less dense than liquid water.

B) Water possesses a high boiling point: This is because the Hydrogen oxygen bond or O-H bonds are highly polar and the Hydrogen atoms in this bond are located at two corners of the tetrahedron shaped like bond shape which gives water it's high molecular polarity in which in turn makes the molecules to stick together.

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A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. if δ
STatiana [176]

Answer: The longest wavelength of light that will produce free chlorine atoms in solution is 493 nm.

Explanation:

Cl_2\overset{h\nu}\rightarrow Cl^-,Delta H_{rxn}=242.8kJ/mol

Energy required to produce free chlorine atoms from one mole of chlorine gas :

= 242.8kJ = 242.8\times 1000=242800 Joules (1kJ=1000J)

1 mole = 6.022\times 10^{23} molecules

For 6.022\times 10^{23} molecules = 242,800 Joules

For one molecule of chlorine gas =  \frac{242800 Joules/mol}{6.022\times 10^{23} mol^{-1}}=40,318.83\times 10^{-23}Joules

According to photoelectric equation:

E=h\nu=\frac{hc}{\Lambda }

E = Energy of the photon of light used to produce free chlorine atoms

\nu= frequency of the light used to produce free chlorine atoms

h = Planck's constant =6.626\times 10^{-34}J.s, c = speed of light=3\times 10^8 m/s

\lambda = wavelength of the light used to produce free chlorine atoms

40,318.83\times 10^{-23}J=\frac{hc}{\Lambda }=\frac{6.626\times 10^{-34} J.s\times 3\times 10^8 m/s}{\lambda }

\lambda=0.0004930203\times 10^{-3} m=493.0203\times 10^{-9} m=493 nm

The longest wavelength of light that will produce free chlorine atoms in solution is 493 nm.

5 0
4 years ago
The process by which water is moved and changed through the earth is called
Dima020 [189]

Answer:

evaporation

Studies have revealed that evaporation—the process by which water changes from a liquid to a gas—from oceans, seas, and other bodies of water

Explanation:

8 0
3 years ago
What are the units for momentum? <br> A. kg/s <br>B. kg.m/s <br>C. kg•m/s2 <br> D. kg•m/​
PSYCHO15rus [73]

Answer:

option B is correct

Explanation:

momentum=P=mv

P=kg.m/s       m=kg      v=m/s

6 0
3 years ago
Read 2 more answers
Which element has the highest melting point? ​
Nadya [2.5K]

The chemical element with the highest melting point is tungsten, at 3,414 °C.

4 0
3 years ago
Read 2 more answers
How many variance electrons in Aluminium? Is it 3
ololo11 [35]

Answer:

Question #1: How many valence electrons in Aluminum? Is it 3?

------> Yes, aluminum has 3 valence electrons.

Question #2: How many valence electron in Sulfur? Is it 6?

-----> Yes, sulfur has 6 valence electrons.

Question #3: What type of bonds do these form? Is it covalent or ionic?

-----> Covalent bonds generally occur between 2 nonmetals. Ionic bonds generally occur between a metal and a nonmetal. Aluminum is a metal and sulfur is a nonmetal. Therefore, an ionic bond would form.

Question #4: How many aluminum atoms will you need? 1, 2, or 3?

-----> Atoms become ions in order to achieve a full octet of valence electrons (8 valence electrons). Since aluminum atoms have 3 valence electrons, they are likely to donate these electrons during ionization. As such, aluminum ions look like this: Al³⁺. Since sulfur atoms have 6 valence electrons, they are likely to receive 2 electrons during ionization. As such, sulfur ions look like this: S²⁻.

-----> The ionic compound formed will be Al₂S₃. There would be 2 aluminum atoms because this arrangement allows for the ionic compound to have an overall charge of 0.

Aluminum = +3

Sulfur = -2

+3 + 3 + (-2) + (-2) + (-2) = 0

Question #5: How many sulfur atoms will you need? 1, 2, or 3?

-----> As stated previously the resulting ionic compound is Al₂S₃. There would be 3 sulfur atoms to balance the charges.

6 0
2 years ago
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