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sweet [91]
3 years ago
7

Question 5

Chemistry
2 answers:
Taya2010 [7]3 years ago
6 0

Answer:

E- Electrical

Explanation:

It converts mechanical energy to electrical energy

anzhelika [568]3 years ago
6 0
Answer:

D kinetic

The generator in turn converts the kinetic energy of the rotor to electrical energy.

Hope it helped


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A student is studying a sample of carbon dioxide gas inside a small syringe. At constant temperature the syringe has a volume of
Soloha48 [4]

The new pressure inside the syringe will be 1.25 atm

<h3>Gas law</h3>

At constant temperatures, the volume of a gas is inversely proportional to its pressure.

Thus:   P1V1 = P2V2

In this case, P1 = 3.0 atm, V1 = 89.6 mL, V2 = 215 mL

P2 = P1V1/V2

                         = 3 x 89.6/215

                              = 1.25 atm

More on gas laws can be found here: brainly.com/question/1190311

4 0
2 years ago
If the initial [NO2] is 0.260 M, it will take ________ s for the concentration to drop to 0.150 M. If the initial is 0.260 , it
Nitella [24]

The question is incomplete, here is the complete question:

At elevated temperature, nitrogen dioxide decomposes to nitrogen oxide and oxygen gas

NO_2\rightarrow NO+\frac{1}{2}O_2

The reaction is second order for NO_2 with a rate constant of 0.543M^{-1}s^{-1} at 300°C. If the initial [NO₂] is 0.260 M, it will take ________ s for the concentration to drop to 0.150 M

a) 1.01    b) 5.19     c) 0.299      d) 0.0880     e) 3.34

<u>Answer:</u> The time taken is 5.19 seconds

<u>Explanation:</u>

The integrated rate law equation for second order reaction follows:

k=\frac{1}{t}\left (\frac{1}{[A]}-\frac{1}{[A]_o}\right)

where,

k = rate constant = 0.543M^{-1}s^{-1}

t = time taken  = ?

[A] = concentration of substance after time 't' = 0.150 M

[A]_o = Initial concentration = 0.260 M

Putting values in above equation, we get:

0.543=\frac{1}{t}\left (\frac{1}{(0.150)}-\frac{1}{(0.260)}\right)\\\\t=5.19s

Hence, the time taken is 5.19 seconds

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3 years ago
Explain why the electron configuration of 2-3-1 represents an atom in an excited state.
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Answer:

The excited state electron configuration of an atom indicates the promotion of a valence electron to a higher energy state.

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If 200.0 grams of aluminum chloride react with calcium, how many moles of Al are produced?
irina [24]
1.49 moles of Al will be produced. Hope this helps you.

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Which household items are usually made of metal elements?
Rus_ich [418]

a=electronic equipment and jewelry

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