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sweet [91]
3 years ago
5

90 POINTS

Chemistry
1 answer:
Orlov [11]3 years ago
3 0

Answer:

A current runs through a loop of wire in a magnet field; the force from the magnet causes the wire to rotate

Explanation:

https://www.jameco.com/Jameco/workshop/ProductNews/motor-buyers-guide.html#:~:text=Electric%20motors%20work%20by%20converting,or%20direct%20(DC)%20current.&text=Electric%20Motors%20have%20an%20array%20of%20applications.

its hard to explain simply because i dont have a mastery over the subject yet myself, but this article should help explain it

if you have any questions, leave them in the comments and i will try to answer them, if this helped, pls give brainliest

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If the density of a metal bar is 3.47 g/mL and volume is 30 mL, calculate the mass of the metal bar in grams (g). Show the steps
Hitman42 [59]

Answer:

m=104.1g

Explanation:

Hello,

In this case, considering that the density is considered as the quotient of the mass and volume:

\rho =\frac{m}{V}

We can easily compute the mass by solving for it as follows:

m=V*\rho =30 mL*3.47g/mL\\\\m=104.1g

Best regards.

7 0
3 years ago
The graph models the amount remaining, in milligrams, of a radioactive substance as a function of time, in years. Explain the me
timama [110]

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How would you calculate the molar mass of 2AgCl?
Rashid [163]
2 × (atomic mass of Ag) + (atomic mass of Cl (
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I can hit a metal with a hammer without the metal shattering because of its
kati45 [8]

Answer: Malleability

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8 0
3 years ago
The gas in an engine cylinder is compressed until it has a volume of 0.045 liter and an absolute pressure of 28 atmospheres. If
Sonbull [250]

The  temperature  in K  is  767.4 K

<u><em>  calculation</em></u>

This is calculated using the ideal gas equation

that is PV =nRT

where;

P(pressure)= 28 atm

V(volume) = 0.045 L

n(number of moles)= 0.020 moles

R( gas  constant)  =0.0821 L.atm/mol.K

T(temperature)= ? K\


make T the subject of   the formula  by diving  both side of equation by nR

T =PV/nR

T ={ (28 atm x 0.045 L) /( 0.020 mol x 0.0821 L.atm/mol.K)}  =767.4 K



7 0
4 years ago
Read 2 more answers
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