Why does coal usually produce more soot than other fossil fuels when burned?

Answers

Answer 1

Answer:

Answer and explanation;

Coal has aromatic hydrocarbons with high molar mass and has a high ratio of carbon to hydrogen. Burning coal produces more soot than burning other fossil fuels does because of it.

Fossil fuel mixtures of hydrocarbons that formed from the remains of plants or animals. Burning fossil fuels increases the amount of carbon dioxide in the atmosphere. This increase may affect temperatures, amounts of rain and sea levels worldwide. Some sulfur and nitrogen are in fossil fuels, and air contains nitrogen.

Answer 2

Answer:

Final answer:

Coal produces more soot than other fossil fuels as it is a carbon-rich fossil fuel, where some carbon atoms form soot particles during burning. The combustion of coal is less efficient, producing more particulates and carbon dioxide per unit energy output, thus contributing to air pollution and global warming.

Explanation:

Coal typically produces more soot than other fossil fuels when burned due to its composition. Unlike natural gas or oil, coal is a carbon-rich fossil fuel. When this carbon burns, it reacts with oxygen to form carbon dioxide, but not all carbon atoms complete this reaction. Some form tiny carbon particles or soot instead. These soot particles consist of amorphous carbon, which has a disorganized and complex structure, leading to the dark, dust-like quality of soot.

Historically, the burning of coal was ubiquitous in the Industrial Age, leading to severe air pollution with coal soot covering surfaces in industrial cities. This is because the combustion of coal is less efficient than other fossil fuels, producing more particulates and carbon dioxide per unit energy output. Consequently, the combustion of fossil fuels, and coal in particular, contributes to the greenhouse effect and global warming. In fact, coal-fired power plants produce the greatest amount of CO₂ per unit energy output compared to natural gas or oil, making it the least efficient fossil fuel in terms of greenhouse gas emissions.

Learn more about Combustion of Coal here:

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a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen in the second sample

Which is an example of a beneficial mutation? ANSWERRRR HELPPP !!! choices : one that changes the color of a rabbit, allowing it to hide from predators.

one that results in lighter flower petal colors without changing the plant’s ability to reproduce

one that causes a person’s body to produce thick mucus that clogs the lungs

one that makes it easier for a corn plant to contract a disease

Answers

Mutation can be defined as the change in the genetic sequence that is hereditary. The example of beneficial mutation can be the change of rabbit color to help him hide from the predators.

What are mutagens?

The mutation can be caused by the exposure of the gene sequence to the mutagen that cause the hereditary change.

The mutagens can be UV radiation, high energy, radiation, chemicals, or environmental factors.

The beneficial mutation can be given as the mutation in which the organism has been benefitted. The change in the color pf rabbit benefit him in hiding from the predators. Thus, option A has been the example of the beneficial mutation.

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Answer:

Explanation:

describe the" fear appeal" and how it's used in public messaging. Give an example or create your own public health message using the fear appeal.

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A good example is cigarretes they try to scare you into not smoking by telling you all of the downsides of smoking like lung cancer and i guess that would be fear appeal

How many gram of nitrogen are needed to produce 325 gram of ammonia? n2(g) + 3h2(g) → 2nh3(g)

Answers

Answer : The mass of nitrogen needed are, 267.68 grams

Explanation :

Mass of $NH_3$ = 325 g

Molar mass of $NH_3$ = 17 g/mole

Molar mass of $N_2$ = 28 g/mole

First we have to calculate the moles of $NH_3$ .

$\text{Moles of }NH_3=\frac{\text{Mass of }NH_3}{\text{Molar mass of }NH_3}=(325g)/(17g/mole)=19.12moles$

Now we have to calculate the moles of $N_2$ .

The balanced chemical reaction is,

$N_2(g)+3H_2(g)\rightarrow 2NH_3(g)$

From the balanced reaction we conclude that

As, 2 moles of $NH_3$ obtained from 1 mole of $N_2$

So, 19.12 moles of $NH_3$ obtained from $(19.12)/(2)=9.56$ moles of $N_2$

Now we have to calculate the mass of $N_2$ .

$\text{Mass of }N_2=\text{Moles of }N_2* \text{Molar mass of }N_2$

$\text{Mass of }N_2=(9.56mole)* (28g/mole)=267.68g$

Therefore, the mass of nitrogen needed are, 267.68 grams

Molar mass :

N₂ = 28.0 g/mol
NH₃ = 17.0 g/mol

N₂(g) + 3 H₂(g) = 2 NH₃(g)

28.0 g (N₂)---------> 2 x 17 g NH₃
? g ------------> 325 g NH₃

Mass N₂ = ( 325 x 28.0 ) / ( 2 x 17 )

Mass N₂ = 9100 / 34

= 267.64 g of N₂

hope this helps!

An explosion that releases great amounts of heat is an example ofan exothermic process
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an endothermic process
a phase change

(please explain! Do not jus give me the answer... I know its not B or
d.

Answers

An explosion that releases great amounts of heat is an example of an exothermic process. Any reaction that gives off or releases energy as light, electricity, heat, or sound is considered to be exothermic, with "exo" meaning "outside". An explosion is one of the most extreme cases of exothermic reactions.

What is the formula of nitrous acid

Answers

The formula for nitrous acid is HN02.

In a combustion reaction of C3H8 + 5O2 = 3CO2 + 4H2O, how do you know that the first compounds will produce the nuber of what they did? . Also how do you know that this 2Ca + O2= 2CaO?

Answers

To balance chemical equations, you should just remember that the number of atoms of an element in the reactant side must be equal to the number of atoms of the same element in the product side. The order of the substances doesn't matter. What is important that the equation balances.

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