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Svet_ta [14]
2 years ago
14

Cora, an electrician, wraps a copper wire with a thick plastic coating. What is she most likely trying to do?.

Chemistry
1 answer:
Vinil7 [7]2 years ago
7 0

Answer:

SHE IS INSULATING THE WIRE SO THAT NO ONE GETS SHOCKED IF THEY ACCIDENTALLY TOUCH IT

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N₂(g) + 3H₂(g) → 2NH3(g)
Anna71 [15]

Answer:

93.5 moles N₂

Explanation:

To find the moles, you need to use the Ideal Gas Law. The equation looks like this:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = number of moles

-----> R = constant (0.0821 atm*L/mol*K)

-----> T = temperature (K)

You can plug the given values into the equation and simplify to find moles. The final answer should have 3 sig figs to match the lowest number of sig figs among the given values.

P = 95.0 atm                  R = 0.0821 atm*L/mol*K

V = 224 L                       T = 2773 K

n = ?

PV = nRT

(95.0 atm)(224 L) = n(0.0821 atm*L/mol*K)(2773 K)

21280 = n(227.6633)

93.5 = n

8 0
2 years ago
Which equation shows how wavelength is related to velocity and frequency?
Nataly_w [17]

Answer:

The correct option is the option;

\lambda = \dfrac{v}{f}

Explanation:

The wavelength of a wave is the distance between two successive crests of the wave

Therefore, the wavelength, λ, is given by the fraction of the velocity, <em>v</em>, of the wave divided by the frequency, <em>f</em>, (the number of cycles that pass through a point) of the wave

Mathematically, we have;

The \ wavelength, \ \lambda = \dfrac{The \ wave \ velocity, \ v}{The \ wave \ frequency, \ f}

\lambda = \dfrac{v}{f}

4 0
3 years ago
why does opening the air valve of a tire at a constant temperature decrease the pressure? A) the temperature decreases B)The vol
Triss [41]
The answer is B I think
5 0
3 years ago
Visible light with a wavelength of 4.7x10^-7 meters will have a frequency of ....
Zarrin [17]
The answer is ....... 47/10^8
6 0
3 years ago
Why does the baseball move when the bat strikes it?
Ganezh [65]

Answer:

gravity

is

workin

Explanation:

6 0
3 years ago
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