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kherson [118]
3 years ago
9

Part B

Chemistry
2 answers:
Nikitich [7]3 years ago
7 0

Answer:

Nuclear Fuel is derived from the splitting of uranium atoms also known as fission. Uranium is mined and undergoes refining and enrichment and put through a nuclear reactor. Then it is put into fuel rods and grouped to form fuel assemblies. It is finally stored in the reactors core.

Wind gets is original energy from the sun. The sun heats the surface of the earth and the air above it warms and rises upwards into the atmosphere. Wind is used to power water pumps and was used to move boats along rivers.

Explanation:

Burka [1]3 years ago
5 0

<u><em>Question 1: </em></u>

The natural gas starts by piping natural gas underground to power plants, then the power plants burn the natural gas to boil water that becomes steam. The steam spins the blades of a turbine that is connected to a generator, then the generator spins the magnets which generate the electricity.

<u><em>Part B:</em></u>

Natural gas: The original form of natural gas is a fossil energy source. Natural gas plants use a gas turbine; natural gas is added, along with a stream of air, which combusts and expands through this turbine causing a generator to spin a magnet, making electricity.

Coal: The original form of coal is peat. Coal-fired plants produce electricity by burning coal in a boiler to produce steam. The steam produced, under tremendous pressure, flows into a turbine, which spins a generator to create electricity. The steam is then cooled, condensed back into the water, and returned to the boiler to restart the process.

Nuclear fuel: <em>Sorry couldn't do this one, it's 4 am and my brain just isn't working w me too well.</em>

Hydropower: The original form of hydropower is water. The hydropower plants water flows through a pipe, or penstock, then pushes against and turns blades in a turbine to spin a generator to produce electricity

Wind: <em>Sorry couldn't do this one either.</em>

<em />

I'm sorry I didn't do two of them but I really hope this helps.

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You are on an alien planet where the names for substances and the units of measures are very unfamiliar.
Harlamova29_29 [7]

Answer: 25.3


Explanation:


The question aks to convert 19 quibs, which is the amount of skvarnick that you obtained, to sleps.


Since, you are given the equivalence between sleps and quibs, you can build your own conversion factor, which is how the sciientific calculations are made:


  • equivalence: 4 sleps = 3 quibs
  • divide both sides by by 3 quibs: (4 sleps / 3 quibs) = (3 quibs / 3 quibs)
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Now, you can multiply 19 quibs by the conversion factor:


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The quibs units cancel out since they are in the numerator and denominator, leaving only sleps.

5 0
3 years ago
9. 6.59 g of ammonia (NH3, 17.031 g/mol) react completely in the presence of excess carbon dioxide (CO2, 44.01 g/mol) according
Katarina [22]

Answer:

The percent yield for the reaction is 63.7%

Explanation:

This problem can be solved, from different rules of three.

The reaction is:

2NH₃(g) + CO₂(g) → CH₄N₂O(s) + H₂O(l)

2 moles of ammonia, produce 1 mol of urea.

Mass / molar mass = moles

6.59g / 17.031 g/m = 0.387 moles

As ratio is 2:1, I will produce half a mole of urea.

(0.387 m . 1m)/ 2m = 0.193 m

Let's find out the mass.

Mass of urea = Moles of urea . molar mass of urea.

Mass = 0.193m .  60.056 g/m = 11.6 g

If the percent yield for the reaction was 100 %, we make 11.6 g, but I only obtained 7.40 g so let's calculate the new percent yield.

11.6 g ____ 100 %

7.40 g ___ (7.40g / 11.6g) .100 = 63.7 %

6 0
4 years ago
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