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Travka [436]
3 years ago
15

Help please thank you :)

Chemistry
1 answer:
Aneli [31]3 years ago
6 0
Octet rule says that elements with less electrons in their valence shell either tend to lose electron or combine with other element to attain configuration of its nearest noble gas. For example, Na has electronic configuration of 1s2, 2s2, 2p6, 3s1 whereas Cl has electronic configuration of 1s2, 2s2, 2p6, 3s2, 3p5. Chlorine is one of the most electronegative element therefore it will accept one electron from donor and complete its octet. Whereas, Na is one of the electropositive element therefore it will lose its one electron from valence shell to attain stable octet.

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How many gallons of concentrated sulfuric acid (density of 1.84 g/cm3) are required to have a mass of 184.33 pounds?
KengaRu [80]

After series of conversion from one unit to another, the number of gallons was found to be 12 litres

<h3>Density, Mass and Volume</h3>

Given Data

  • Density of Sulfuric acid = 1.84 g/cm3
  • Mass of Sulfuric acid = 184.33 Pounds

Conversion from pounds to Gram

1 kg ---------2.204 lb

x kg ---------184.33 lb

x = 184.33/2.204

x = 83.634 kg

hence the mass in gram = 83.634*1000

mass in gram = 83634 g

Now let us find the volume

We know that density = mass/volume

volume = mass/density

volume = 83634/1.84

volume = 45453.26 cm^3

Convert cm^3 to litres

Volume in litres = 45453.26 /1000

Volume in litres = 45.45 Litres

Convert from Litres to Gallons

1 gallon = 3.79 L

x gallons =  45.45 L

x =  45.45/3.79

x gallons = 11.99 L


Approx = 12 Litres

Learn more about density here:

brainly.com/question/1354972

7 0
3 years ago
What is the purpose of stirring a solution while it is being heated?.
Temka [501]
Stirring and agitating chemical reactions is desirable and stirring reflux systems or any system under heating is necessary to a distribute the heat evenly throughout the system and b) to prevent splashing and boilovers.
5 0
3 years ago
What is the systematic or IUPAC name for SO2​
Zinaida [17]

Answer:

Sulfur trioxide

Sulfur trioxide | SO3 - PubChem.

Explanation:

3 0
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Three factors that influence the rate at which dissolving occurs
g100num [7]
Temperature, surface area, agitation, pressure (for gases only)
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Which option states the principle behind the law of conservation of mass and the law of conservation of energy?
jeka94

Answer:

A

Explanation:

The law of conservation of mass states that matter can never be created nor destroyed but can be converted from one form to another.

The law of conservation of energy posits that energy cannot be created nor destroyed but can be converted from one form to another.

These laws are the basic laws of existence. Although the laws have been adjusted, they still form the basic principle behind several scientific laws and are responsible for a whole lot of scientific advancements.

While the first law focuses on matter and the content of matter in a body, the second law basically focuses on energy. The second law serves to support the inter convertibility behind the several forms or types of energy.

For example, to do many useful work at home, it is found that energy is converted from its electric form to say heat in an electric iron to press our clothes.

Also, the first law is a fundamental principle useful in the balancing of our chemical equations.

7 0
3 years ago
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