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3 years ago

What type of bond joins glycerol to fatty acids?

Chemistry

1 answer:

Elina [12.6K]3 years ago

3 0

Answer:

Ester Linkages

Explanation:

In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom.

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what is the order of decreasing bond length for a C-C bond composed of the following molecular orbitals?I. sp^3 - sp^3II. sp^2 -

skelet666 [1.2K]

Answer:

The decreasing order of bond length in the carbon - carbon bonds will be:

$C-C>C=C>C\equiv C$

Explanation:

Bond length is defined as average distance between two nuclei of bonded atoms in a molecule.Bond length is inversely proportional to the number of bonds present between two atoms.

$\text{Bond length} \propto \frac{1}{\text{Number of bonds}}$ ...[1]

Bond energy is defied as amount of energy required to break apart the bond of 1 mole of molecule into their individual atom. Bond energy is directly proportional to the number of bonds present between two atoms.

$\text{Bond Energy} \propto \text{Number of bonds}$ ..[2]

From [1] and [2]:

$\text{Bond length} \propto \frac{1}{\text{Bond energy}}$

$C-C: sp_3$ hybridized

$C=C: sp_2$ hybridized

$C\equiv C: sp$ hybridized

Extent of overlapping of orbitals in these hybridization;

$C\equiv C> C=C > C-C$

Higher the overlapping of orbital more closer will be both atoms to each other and shorter will be the bond lenght.

So, the decreasing order of bond length in the carbon - carbon bonds will be:

$C-C>C=C>C\equiv C$

8 0

3 years ago

Liquid octane reacts with oxygen gas to form carbon dioxide gas and water vapor.express your answer as a chemical equation. iden

FrozenT [24]

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3 years ago

It takes about 38 m3 of boards and plywood to build an average-size, single-family home. Can an average-size, single-family home

Alexeev081 [22]

A) The answer to whether an average-size, single-family home be built with one day’s output from the saw mill is; No, it can't be built from one days output

B) The number of days will it take for the saw mill to produce enough lumber to build a neighborhood of 100 average-size homes is; 1100 days

A) From research, the average size capacity saw mill usually produces around 1500 board feet of boards per day.

Now, converting board ft to cubic meter gives;

1 board feet = 1/424 m³

Thus; 1500 board feet = 1500 * 1/424 ≈ 3.54 m³

Now, we are told that it takes 38 m³ of boards and plywood to build an average size single family home.

Since one days output = 3.54 m³

It is less than the volume required for the average sized house and so the daily output will not be sufficient.

B) Number of days to produce enough boards and plywood for the average sized family home = 38/3.54 ≈ 11 days

Thus, for 100 homes;

Number of days = 100 * 11 = 1100 days

Read more about production capacity at; brainly.com/question/25899399

4 0

2 years ago

Urgent!!! Need answers!!!!??

vampirchik [111]

Answer:

Explanation:

What is the identity of the atom shown?

Answer:

Chlorine

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

In given picture it can be seen that there are 17 protons and 18 neutrons are present with in nucleus it means atomic mass is 35 amu and 17 electrons are present out side the nucleus it means its atomic number of 17.

The atomic number of chlorine is 17 and mass number is 35.5 amu thus the given atom is of chlorine.

Elements in the same group/family of the periodic table are similar in what way?

Answer:

D. They have the same number of valence electrons.

Explanation:

The elements in the same group have similar properties due to same number of valance electrons. For example

Consider the group two. It is alkaline earth metals's group. It consist of six members Beryllium, Magnesium, Calcium, Strontium, Barium and radium. All these have two valance electrons.

Electronic configuration of Beryllium:

Be = [He] 2s²

Electronic configuration of Magnesium:

Mg = [ Ne] 3s²

Electronic configuration of Calcium:

Ca = [Ar] 4s²

Electronic configuration of Strontium:

Sr = [Kr] 5s²

Electronic configuration of Barium:

Ba = [ Xe] 6s²

Electronic configuration of radium:

Ra = [Rn] 7s²

7 0

3 years ago

Which is true according to the law of conservation of energy?

alexandr1967 [171]

Answer: E) In a closed system, the total energy always remains constant.

Explanation: For every system, the law of conservation of energy is applicable which states that the energy of the system remains conserved. Energy can neither be created nor destroyed.

A closed system is one which can exchange energy with the surroundings but not mass. Thus if a system absorbs energy, the equivalent amount of energy is lost by surroundings, thus the total energy remains constant.

If a system loses energy, an equivalent amount of energy is gained by surroundings, thus the total energy remains constant.

3 0

3 years ago

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