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1 year ago

Explain how an ionic compound forms from these elements.

1 answer:

8 0

Ionic compounds are formed by the complete transfer of electrons from more electronegative elements to less electronegative elements.

7. Sodium Nitride (Na₃N) is an ionic substance.

8. The ionic formula for Lithium Oxide is Li₂O

9. The compound SrF₂

10. Aluminum Sulfide is a chemical compound with the formula Al₂S₃.

An ionic compound is a chemical compound composed of ions held together via electrostatic forces termed ionic bonding. The compound is neutral standard but includes definitely charged ions known as cations and negatively charged ions known as anions.

An ionic compound is a chemical compound composed of ions held collectively by means of electrostatic forces termed ionic bonding. The compound is neutral normal however consists of positively charged ions known as cations and negatively charged ions referred to as anions. Ionic compounds incorporate ions and are held collectively via the attractive forces of most of the oppositely charged ions.

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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 -CO $O^{1-}$ . 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

The energy released from 1 gram of uranium is more than 1 million times greater than the energy released from 3 grams of coal. T

SVEN [57.7K]

The energy released from 1 gram of uranium is more than 1 million times greater than the energy released from 3 grams of coal is True.

Explanation:

Nuclear Fission is the process in which splitting of a nucleus takes place that releases free neutrons and lighter nuclei. The fission of heavy elements like "Uranium is highly exothermic" and releases "200 million eV" compared to the energy that is released by burning coal which gives a few eV.

In the given example, it is obvious that the energy released from 1 gram of uranium is more than that of the energy released from 3 grams of coal because the amount of energy released during nuclear fission is millions of times more efficient per mass than that of coal considering only $\frac{1}{10}^{th}$ part of the original nuclei is converted to energy.

5 0

2 years ago

Identify areas of Job growth?

kumpel [21]

Answer:

jobs growth is a figure measured by the Bureau of Labor Statistics (BLS) that tracks how many jobs are created in the country on a monthly basis. The figure is used as a measure of economic expansion and regarded as a litmus test for national economic health

Explanation:

6 0

3 years ago

How many grams of a 32.9% potassium sulfate solution would contain 181.6 g potassium

Anna007 [38]

Answer:

grams of solution = 551.98 g

Explanation:

Given data:

Percentage of solution = 32.9

Mass of solute = 181.6 g

Grams of solvent = ?

Solution:

Formula:

% = [grams of solute / grams of solution] × 100

Now we will put the values in formula.

32.9 = [ 181.6 g / grams of solution] × 100

grams of solution = 181.6 g × 100 / 32.9

grams of solution = 18160 g /32.9

grams of solution = 551.98 g

8 0

2 years ago

Use the following image to answer the following questions. A student was performing an experiment using two identical cups made

Anettt [7]

Answer:

The water will eventually become the same temature (A)

3 0

2 years ago