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3 years ago

Biochemistry which studies the chemical composition, structure, and the reaction of compounds found in non-living organisms.

Chemistry

2 answers:

gregori [183]3 years ago

7 0

Inorganic chemistry studies the chemical compounds in inorganic, or non-living things such as minerals and metals.

nikklg [1K]3 years ago

4 0

The answer to this is true.

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The backbone in a nucleic acids strand is called:

Nina [5.8K]

Answer: Option (c) is the correct answer.

Explanation:

Backbone in a nucleic acids strand is made up of sugar molecules attached with phosphodiester bond.

This sugar-phosphate linkage helps in joining of nucleotides in a DNA sequence. Due to this backbone structural framework of nucleotides is formed. In DNA, the sugar is deoxyribose.

Thus, we can conclude that the backbone in a nucleic acids strand is called sugar backbone.

4 0

3 years ago

Why phosphorus forms 3 bonds in molecule such as PH3 and PCl3-

gregori [183]

Phosphorous has three lone electrons that need pairing. Similar to how carbon has 4 lone electrons, and forms CH4

6 0

3 years ago

Read 2 more answers

An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. The molar mass of the compoun

lianna [129]

To determine the empirical formula and the molecular formula of the compound, we assume a basis of the compound of 100 g. We do as follows:

Mass Moles
K 52.10 52.10/39.10 = 1.33 1.33/1.32 ≈ 1
C 15.8 15.8/12 = 1.32 1.32/1.32 ≈ 1
O 32.1 32.1 / 16 = 2.01 2.01/1.32 ≈ 1.5

The empirical formula would most likely be KCO.
The molecular formula would be K2C2O3.

4 0

3 years ago

Read 2 more answers

What is the difference between a weak and strong base?

morpeh [17]

The answer is “Only some of the molecules of a weak base dissociate to produce hydroxide ions when mixed with water, but all of the molecules of a strong base dissociate to produce hydroxide ions”

6 0

3 years ago

Draw the major organic product in the reaction scheme below. Be sure to clearly show stereochemistry (if applicable).

Juliette [100K]

Answer:

see explanation below

Explanation:

You are missing the reaction scheme, but in picture 1, I found a question very similar to this, and after look into some other pages, I found the same scheme reaction, so I'm gonna work on this one, to show you how to solve it. Hopefully it will be the one you are asking.

According to the reaction scheme, in the first step we have NaNH2/NH3(l). This reactant is used to substract the most acidic hydrogen in the alkine there. In this case, it will substract the hydrogen from the carbon in the triple bond leaving something like this:

R: cyclopentane

R - C ≡ C (-)

Now, in the second step, this new product will experiment a SN2 reaction, and will attack to the CH3 - I forming another alkine as follow:

R - C ≡ C - CH3

Finally in the last step, Na in NH3 are reactants to promvove the hydrogenation of alkines. In this case, it will undergo hydrogenation in the triple bond and will form an alkene:

R - CH = CH - CH3

In picture 2, you have the reaction and mechanism.

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3 years ago