A strand of DNA has the following string of bases:

Chemistry

1 answer:

Ganezh [65]3 years ago

5 0

Answer:

ok so first of all try working hard then ill answer u

Explanation:

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There are ________ σ bonds and ________ π bonds in h3c-ch2-ch=ch-ch2-c≡ch.

FrozenT [24]

The number of sigma and pi bonds are,

Sigma Bonds = 16

Pi Bonds = 3

Explanation:
Every first bond formed between two atoms is sigma. Pi bond is formed when already a sigma bond is there. While in case of Alkyne (triple Bond) there is one sigma and one pi bond already present, so the third bond is formed by second side-to-side overlap of orbitals, hence, a second pi bond is formed.
Below all black bonds are sigma bonds, while in alkene there is one pi bond and in alkyne there are two pi bonds.

6 0

3 years ago

These values also increase from the bottom to the top of a group because the size of the atom decreases, resulting in a distance

Allushta [10]

These values also increase from the bottom to the top of a group because the size of the atom decreases, resulting in a smaller distance between the nucleus and the valence electron shell, which increases the attraction between the protons and electrons.

7 0

4 years ago

A 5.5 g sample of a substance contains only carbon and oxygen. Carbon makes up 35% of the mass of the substance. The rest is mad

Umnica [9.8K]

We have been given the condition that carbon makes up 35% of the mass of the substance and the rest is made up of oxygen. With this, it can be concluded that 65% of the substance is made up of oxygen. If we let x be the mass of oxygen in the substance, the operation that would best represent the scenario is,

x = (0.65)(5.5 g)

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8 0

3 years ago

Help!! 29 pointss

yaroslaw [1]

10 is mixture of elements and compounds
11 is compound
12-15 are mixture of compounds

3 0

3 years ago

Particles of clay and silt eroded and deposited by the wind are called

Ivanshal [37]

The correct answer to your question would be B) Loess, or Aeolian deposits , reasoning to your question is because, loess is a german word but in english means loss or loose. So given that clay and small particles that are not combined together are loose particles. moves freely. Hope this helps you out.

4 0

3 years ago

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