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NARA [144]
3 years ago
8

EASY BUT I STILL NEED HELP

Chemistry
2 answers:
Jet001 [13]3 years ago
4 0

Answer:

If I’m correct it is 3

Explanation:

finlep [7]3 years ago
3 0

Answer: 3 they move more freely since water is a liquid and ice is a solid in a solid molecules are more compact and cannot move around much but in a liquid it moves more freely than it would in a solid.

Explanation:

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Identify the examples of diffusion in the list below
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movement of particles of object from one place to another

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spreading of perfume in air

spreading of ink in water

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4 years ago
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How many atoms are in 0.0246 mol K?
Alexxx [7]

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There are 6.022 × 1023 atoms of potassium in every mole of potassium. Since one mole of KOH contains one mole of K, the answer is 6.022×1023 atoms of K.

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6 0
4 years ago
calculate the number of moles of sulfuric acid that is contained in 250 mL of 8.500 M sulfuric acid solution
san4es73 [151]

Answer : The moles of H_2SO_4 are, 2.125 mole.

Explanation : Given,

Molarity of H_2SO_4 = 8.500 M

Volume of solution = 250 mL  = 0.250 L    (1 L = 1000 mL)

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Moles of }H_2SO_4}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

8.500M=\frac{\text{Moles of }H_2SO_4}{0.250L}

\text{Moles of }H_2SO_4=2.125mol

Therefore, the moles of H_2SO_4 are, 2.125 mole.

5 0
3 years ago
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