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storchak [24]
2 years ago
9

Which of the following is not organic?

Chemistry
1 answer:
JulsSmile [24]2 years ago
5 0

Answer:

OD. Carbon dioxide

Explanation:

There are four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids

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What is the ionic formula of the compound formed by Co3+ and the phosphorus ion? What is the name of the compound formed based o
klasskru [66]

Answer: The ionic formula of compound is CoP and the name is cobalt phosphide.

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here element Co is having an oxidation state of +3 called as Co^{3+} cation and phosphprous forms P^{3-} anion with oxidation state of -3. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral CoP

The nomenclature of ionic compounds is given by:

1. Positive is written first followed by the oxidation state of metal in roman numerals in square brackets.

2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.

Thus the name of CoP is cobalt phosphide.

4 0
3 years ago
Which of the following is an example of a model? PV=nRT, Geographical map, I believe that aliens exist, all of the above.
aleksandrvk [35]

<u>Answer:</u> The correct answer is geographical map.

<u>Explanation:</u>

Model is defined as the three dimensional representation of a proposed structure in a smaller scale.

For the given options:

<u>Option 1:</u>  PV = nRT

This is a proposed law. This law is known as ideal gas law. A law is defined as the rule which defined a correct procedure. For any gas behaving ideally, this law is used.

<u>Option 2:</u> Geographical map

Map is defined as the diagrammatic representation of an area of land or sea which also shows physical features, roads, cities etc..

A 3-D model can be prepared for geographical map.

<u>Option 3:</u> I believe that aliens exist

This is a hypothetical statement. It is a smart guess by the means of set of assumptions and observations. For its validation, we need to conduct some experiments.

Hence, the correct answer is geographical map.

3 0
3 years ago
Read 2 more answers
The following equilibrium constants have been determined for hydrosulfuric acid at 25ºC:
yaroslaw [1]

hey there!:

H2S(aq) <=> H⁺(aq) + HS⁻(aq)

K'c = [H⁺][HS⁻]/[H₂S] = 9.5*10⁻⁸

HS⁻(aq) <=> H⁺(aq) + S²⁻(aq)

K"c = [H⁺][S²⁻]/[HS⁻] = 1.0*10⁻¹⁹

H₂S(aq) <=> 2 H⁺(aq) + S²⁻(aq)

Kc = [H⁺]²[S²⁻] / [H₂S]

= [H+][HS⁻] / [H₂S] * [H⁺][S²⁻]/[HS⁻]

= K'c *K"c

= ( 9.5*10⁻⁸ ) * ( 1.0 x 10⁻¹⁹ )

= 9.5*10⁻²⁷

Hope this helps!

5 0
3 years ago
Please helpppppppppppppppp!!!!!!!!!!!!!!!
Agata [3.3K]

Answer:

c MgO

Explanation:

product is located after the reaction arrow

8 0
2 years ago
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Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?
lions [1.4K]
There is no molecular change

8 0
3 years ago
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