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dexar [7]
3 years ago
13

Why does the water turn blue after some time when blue ink is dropped in water? Which property

Chemistry
1 answer:
zepelin [54]3 years ago
7 0

Answer:

Particles are constatantly moving and diffusing

This is possible because of diffusion

Explanation:

Hope this helps

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2 KClO_2 produces 2 KCl+ 3O_2 when heated. If this reaction produces 82.8 g of KCl how many grams of O2 were produced?
Ad libitum [116K]

Answer:

37.046 grams of oxygen gas were produced.

Explanation:

2KClO_2\rightarrow 2KCl+ 3O_2

Moles of potassium chlorite = \frac{82.2 g}{106.5 g/mol}=0.7718 mol

According to reaction 2 moles of potassium chlorite gives 3 moles of oxygen gas.

Then 0.7718 moles of potassium chlorite will give:

\frac{3}{2}\times 0.7718 mol=1.1577 mol of oxygen gas.

Mass of 1.1577 moles of oxygen gas:

1.1577 mol × 32 g/mol = 37.046 g

37.046 grams of oxygen gas were produced.

4 0
3 years ago
What kind of energy do plants need to make food?
schepotkina [342]

the answer is chlorophyll.


hope this helped. God bless.

6 0
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In Charles's law, gas volume is directly related to the Celsius temperature.
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Yes this is true gas is related to the celcuis temp
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3 years ago
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Determine the number of atoms in 73.0 grams of calcium, Ca. (The
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# of atoms per mol = Avogadro’s # (6.022 x 10^23)

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1.8 mols x avagadro’s # = 1.1 x 10^24 atoms in 73 grams of Ca
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