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mixas84 [53]
2 years ago
13

Water molecules are polar because the...

Chemistry
2 answers:
dedylja [7]2 years ago
7 0
B) water has a bent shape, this would be correct given that VSEPR theory and molecular geometry classify this as a polar shaped compound
zysi [14]2 years ago
5 0

Answer:

b) water molecule has a bent shape

Explanation:

In the context of chemical bonds, polarity refers to the separation of charges i.e. the distribution of electrons between the atoms constituting the bond. This charge separation creates a dipole.

Similarly polar molecules are made of polar bonds in which the bond dipoles add up such that there is a net dipole moment.

In water(H2O), the central O atom is more electronegative than H which creates a dipole directed towards the O atom. In addition, due bent shape of H2O the dipole moments add up (instead of cancelling out if it were linear) resulting in a net dipole which makes water polar.

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Which atomic model states that it is impossible to know the exact location of electrons around the nucleus?
dedylja [7]

Answer:

the Bohr model, an electron's position is known precisely because it orbits the nucleus in a fixed path. In the electron cloud model, the electron's position cannot be known precisely. Only its probable location can be known.

8 0
2 years ago
Read 2 more answers
When the valves are opened and the gases are allowed to mix at a constant temperature, what is the distribution of atoms in each
jek_recluse [69]

Answer:

Equal number of atoms of each gas in each container

Explanation:

When the valves opened, the two contaienrs become one and the gases beging to mix by diffusion. This phenomenom is produced by the differeces of concentration of a gas between two points of the container.

The gases will continue diffunding util their concentration in both containers are equal.

7 0
3 years ago
Among the following options, a valid Lewis structure of __________ cannot be drawn without violating the octet rule.
Murrr4er [49]

Answer:

d. IF3

Explanation:

The Octet rule posits that atoms gain, atom lose, or share electrons in order to have a full valence shell of 8 electrons. This statement occurs when atoms also combine to form molecules until they attain or share eight valence electrons either by losing or gaining eletrons.

From the given options, a valid Lewis structure that cannot be drawn without violating the octet rule is IF3

8 0
2 years ago
There are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic
Leya [2.2K]
Found the choices. Pls see attachment. 

The statements that explains this phenomenon are:
1) DNA contains adenine as one of its nitrogenous bases.
2) DNA has a double-stranded structure that ensures an accurate mechanism of duplication.

6 0
2 years ago
How many grams of oxygen are required too burn 8.8g of c3h8?
hichkok12 [17]
From the balanced equation: 
<span>1mol C3H8 requires 5mol O2 for combustion </span>
<span>Molar mass C3H8 = 44g/mol </span>
<span>8.8g C3H8 = 8.8/44 = 0.2mol C3H8 </span>
<span>This will require 5*0.2 = 1.0mol O2 </span>
<span>Molar mass O2 = 32g/mol </span>
<span>Therefore 32g of O2 required.


</span>
4 0
3 years ago
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