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OleMash [197]
3 years ago
9

Why are some substances dissolve both polar and nonpolar substances?

Physics
1 answer:
dlinn [17]3 years ago
8 0

Answer:

Because water is polar and oil is nonpolar, their molecules are not attracted to each other.<em> polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.</em>

<em></em>

<em></em>

<em>please mark me as the brainliest :) </em>

<em></em>

<em>use your brain :)</em>

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Suppose a ceiling fan has a mass of 7.5 kg and is 9.7 m above the ground. What is the gravitational potential energy of the ceil
EleoNora [17]

The gravitational potential energy (G.P.E) of the ceiling fan is 712.95 Joules.

<u>Given the following data:</u>

  • Mass of ceiling fan = 7.5 kg
  • Height = 0.7 m

<u>Scientific data:</u>

  • Acceleration due to gravity = 9.8 m/s^2

To calculate the gravitational potential energy (G.P.E) of the ceiling fan:

<h3>What is gravitational potential energy?</h3>

Gravitational potential energy (G.P.E) can be defined as the energy that is possessed by an object or body due to its position (height) above planet Earth.

Mathematically, gravitational potential energy (G.P.E) is given by this formula;

GPE = mgh

<u>Where:</u>

  • G.P.E is the gravitational potential energy.
  • m is the mass of an object.
  • g is the acceleration due to gravity.
  • h is the height of an object.

Substituting the given parameters into the formula, we have;

GPE = 7.5 \times 9.8 \times 9.7

GPE = 712.95 Joules.

Read more on potential energy here: brainly.com/question/8664733

8 0
2 years ago
Gold has a higher density than tin? True or false
Ganezh [65]

Answer:

True. Gold does have a higher density than tin

3 0
3 years ago
Two plates of area 30.0 cm^2 are separated by a distance of 0.0590 cm. If a charge separation of 0.0240 μC is placed on the two
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Answer:

V=533.33 V

Explanation:

 Given that

A= 30 cm²

d= 0.059 cm

Q= 0.0240 μ C

We know that capacitance given as

C=\dfrac{\varepsilon _oA}{d}

Now by putting the values

C=\dfrac{8.85\times 10^{-12}\times 30\times 10^{-4}}{0.059\times 10^{-2}}

C=4.5\times 10^{-11}\ F

Voltage difference given as

Q= V .C

V=Q/C

V=\dfrac{0.0240\times 10^{-6}} {4.5\times 10^{-11}}

V=533.33 V

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Answer:

C :)

Explanation:

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If you place a balloon in the freezer it will______
matrenka [14]

B. Deflate because volume is inversely proportional to temperature

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