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worty [1.4K]
2 years ago
15

Please answer this question according to the image below

Chemistry
1 answer:
AVprozaik [17]2 years ago
3 0

When we show the structure of a molecule, we see the arrangement of atoms in the molecule.

<h3>Structure of molecules</h3>

The structure of a molecule shows the arrangement of atoms in the molecule.

1) There are 24 carbon atoms in the molecule.

2) There are 30 p- orbitals that are involved in pi bonds in the molecule.

3) We need to add 22 lone pairs of electrons

4) We do not need to add any formal positive charge to the molecule.

Learn more about molecules: brainly.com/question/19922822

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Lipids that are liquid at room temperature are called oils <br> a. True <br> b. False
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The answer to your question is false.
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3 years ago
Predict whether the following reactions will be exothermic or endothermic.
Solnce55 [7]

Answer:

A. N₂(g) + 3H₂(g) -----> 2NH₃    exothermic

B. S(g) + O₂(g) --------> SO₂(g)    exothermic

C. 2H₂O(g) --------> 2H₂(g) + O₂(g) endothermic

D. 2F(g) ---------> F₂(g) exothermic

Explanation:

The question says predict not calculate. So you have to use your chemistry knowledge, experience and intuition.

A. N₂(g) + 3H₂(g) -----> 2NH₃    is exothermic because the Haber process gives out energy

B. S(g) + O₂(g) --------> SO₂(g)    is exothermic because it is a combustion. The majority, if not all, combustion give out energy.

C. 2H₂O(g) --------> 2H₂(g) + O₂(g) is endothermic because it is the reverse reaction of the combustion of hydrogen. If the reverse reaction is exothermic then the forward reaction is endothermic  

D. 2F(g) ---------> F₂(g) is exothermic because the backward reaction is endothermic. Atomisation is always an endothermic reaction so the forward reaction is exothermic

5 0
3 years ago
Give the effect on the melting point of the presence of a cis double bond in a fatty acid.
vovikov84 [41]

Answer:

The cis double bond present in unsaturated fatty acids acids results in lower melting point when compared to saturated fatty acids of the same chain length.

Explanation:

Melting point of a fatty acids are affected by the length and degree of unsaturation of the hydrocarbon chain.

At room temperature, saturated fatty acids with hydrocarbon chain lengths between 12-24 are waxy solids whereas unsaturated atty acids of the same chain length are liquids. This is due to the nature of the packing of the fatty acid molecules in the saturated and unsaturated compounds.

In the saturated compounds, the molecules are tightly packed side by side with minimal steric hindrance and maximal van der Waals forces of attraction between molecules. However, in unsaturated fatty acids, the cis double bond introduces a bend or kink in the molecules which then interferes with the tight packing of the molecules and reducing interaction between molecules. Therefore, less energy is required to cause a disorder in the arrangement of unsaturated fatty acids, leading to a lowering of melting point.  

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3 years ago
Circle the term or phrase in parentheses that makes each statement true.
Nataly_w [17]
A substance that produces hydrogen ions is an acid
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Read 2 more answers
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