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mixas84 [53]
3 years ago
13

Water molecules are polar because the...

Chemistry
2 answers:
dedylja [7]3 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]3 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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givi [52]

Answer:

3. Mitochondria

Explanation:

Numerous mitochondria are found in each muscle cell to provide metabolic energy for muscle contraction.

hope i helped (:

5 0
2 years ago
( i need help on this one )
lara [203]

Answer:

1. False

2.True

Explanation:

7 0
3 years ago
In an ion, the number of electrons is _____ to the number of protons​
zaharov [31]

Answer:

more/less depending on if it lost or gained electrons during the ionic bond process

3 0
1 year ago
In the presence of an emulsifying agent, a mixture of oil and water becomes a _____.
Alex Ar [27]

Answer:

Colloidal dispersion or emulsion

Explanation:

The colloid of a liquid in liquid (both dispersed phase and dispersion medium are liquids) is known as emulsion or colloidal dispersion.

We know that oil and water are immiscible liquids. In order to make them miscible we have have add emulsifying agents.

An emulsifying agent has a long non polar hydrocarbon chain (in general) and a polar head.

For example salts of fatty acids.

The polar head is hydrophilic and non polar tail is hydrophobic.

It causes the miscibility of the two polar and non polar liquids

7 0
3 years ago
Which statement best describes balancing equations and the law of conservation of mass?
max2010maxim [7]

Answer:

The number of atoms is the same in the reactants and in the products, and the total mass is the same in the reactants and in

the products

Explanation:

For an equation to termed balance, the number of atoms of elements in the reactants must be equal to the number of atoms of the same element in the product.

The law of conservation of mass states that matter can neither be created nor destroyed during a chemical reaction but changes from one form to another. An unbalanced equation simply means that matter have been created or destroyed. This implies that balancing equation supports the laws of conservation of mass

6 0
3 years ago
Read 2 more answers
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