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Marizza181 [45]

3 years ago

11

Is this better to see than the other one

1 answer:

Nimfa-mama [501]3 years ago

8 0

Number 2. This is a power plant windmill. Kinetic energy from the wind is being converted to mechanical energy.

Number 3. Those are energy power plants which involve coal being burned. Chemical energy is being converted to heat energy and then into kinetic energy.

Number 3. You're welcomed to use whatever object you'd like. An example you could put is a car. Chemical energy is being converted to mechanical energy.

Hope that helps. -UF aka Nadia

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When a 1.00 L sample of water from the surface of the Dead Sea (which is more than 400 meters below sea level and much saltier t

Harlamova29_29 [7]

Answer: Molarity of $MgCl_2$ in the original sample was 1.96M

Explanation:

Molarity is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{\text{no of moles}}{\text{Volume in L}}$

${\text {moles of solute}=\frac{\text {given mass}}{\text {molar mass}}=\frac{186g}{95g/mol}=1.96$

Now put all the given values in the formula of molarity, we get

$Molarity=\frac{1.96}{1.00L}$

$Molarity=1.96mol/L$

Thus molarity of $MgCl_2$ in the original sample was 1.96M

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sergeinik [125]

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The pressure of a certain amount of gas is directly proportional to the temperature (measured on the Kelvin scale) and inversely

Svetradugi [14.3K]

Answer:

not sure, but you know what?

Explanation:

you are amazing! keep doing what youre doing!

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3 years ago

3. In an atomic model, what particles are found inside the nucleus of an atom?

sukhopar [10]

Answer:

Neurons and Protons

Explanation:

The Electrons are outside of the nucleus, also known as the <em>Electron</em><em> </em><em>Cloud</em><em>.</em>

I hope this was what you were looking for, and as always, I am joyous to assist anyone at any time.

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What is a valence electron and why are they so important to a chemist?

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They are important because they are the electrons that help the atom to bond with another atom. They are in the outer most shell. ☺️

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