Chemistry

2 answers:

6 0

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<h3>MELTING IS A SPECIFIC CATEGORY OF CONVERTING A STATE OF MATTER. SPECIFICALLY, SOLID TO LIQUID.</h3>

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Katena32 [7]3 years ago

4 0

When a solid turns into a liquid

Example: Ice cube melts into water

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What is two masses exerting a force on each other an example of?

hoa [83]

Answer:

universal law of gravitation

Explanation:

According to Newton's law of gravitation, every particle in universe attracts every other particles with a force which is directly proportional to the product of their masses and inversely proportional to the square of distance between their centres!

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$F = G \cdot \frac{m1\cdot \: m2}{ {r}^{2} }$

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3 years ago

What is molarity of a solution containing 0.34 moles of FeCl3 in the 0.45 liters of water

Minchanka [31]

Hello!

Molarity is defined as the number of moles of a substance that can be found in 1 liter of solution. That is expressed mathematically as M=mol/L

For the FeCl₃ solution:

$M= \frac{mol FeCl_3}{L sol}= \frac{0,34 moles FeCl_3}{0,45 L}= 0,756 M$

So, the concentration of this solution is 0,756 M

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