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Oliga [24]
3 years ago
15

55. What is total no of shared electrons in ethane?

Chemistry
1 answer:
Sergio039 [100]3 years ago
6 0

Answer:

There are eight shared electron pairs.

Explanation:

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When 20 grams of KCIO3, is dissolved in 100 grams of water, the solution can be
tia_tia [17]

Answer:

b. unsaturated .

Explanation:

Hello there!

In this case, according to the given information, it turns out necessary for us to bear to mind the definition of each type of solution:

- Supersaturated solution: comprises a large amount of solute at a temperature at which it will be able to crystalize upon standing.

- Unsaturated solution: is a solution in which a solvent is able to dissolve any more solute at a given temperature.

- Saturated solution can be defined as a solution in which a solvent is not capable of dissolving any more solute at a given temperature.

In such a way, since 20 grams of the solute are less than the solubility, we infer this is b. unsaturated, as 33.3 grams of solute can be further added to the 100 grams of water.

Regards!

6 0
3 years ago
Use the scenario to answer the following question. Four scientists observed an area of land that had been cleared of all trees a
Blizzard [7]

Answer:

b

Explanation:t not sure

3 0
3 years ago
Read 2 more answers
Propanoic acid, ch3ch2cooh, has a pka =4.9. draw the structure of the conjugate base of propanoic acid and give the ph above whi
xenn [34]

Conjugate base of Propanoic acid (CH_{3}CH_{2}COOH is propanoate where -COOH group gets converted to -COO^{1-}. The structure of conjugate base of Propanoic acid is shown in the diagram.

The p^{H} above which 90% of the compound will be in this conjugate base form can be determined using Henderson's equation as propanoic acid is weak acid and it can form buffer solution on reaction with strong base.

p^{H}= p^{k_{a}+ log\frac{[Conjugate base]}{[acid]}=4.9+log\frac{90}{10}=5.85

As 90% conjugate base is present, so propanoic acid present 10%.

8 0
3 years ago
Question 3 of 10
ikadub [295]

Answer:

salt water 97%

fresh water 1%

frozen 2%

Explanation:

8 0
3 years ago
What rule/principle states that electrons fill orbitals from lowest energy to highest enegery?​
castortr0y [4]

Answer:

The Aufbau Principle

Explanation:

In the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy level before occupying higher-energy levels.

7 0
3 years ago
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