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PSYCHO15rus [73]
4 years ago
7

Why is the sky the color that it is

Chemistry
2 answers:
denpristay [2]4 years ago
8 0
Blue, but your question is half done and dumb. so sky blue and
svp [43]4 years ago
4 0
<span> Molecules in the air are more prone to scattering blue light from the sun than any other color, especially red!</span>
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What is the correct balanced equation for the following equilibrium constant expression?
weeeeeb [17]
The correct answer is 3) 2CO2(g) ⇄ 2CO(g)  + O2(g)

this is the correct one because it is a decomposition reaction and all the number of atoms is equal on both sides.

there are 2 C atoms on both sides. 

and 4 O atoms on both sides.

and 1) the atoms numbers are equal on both sides but not correct as it not a

correct number as it has 1/2 O2.


and 2) CO2(g) ⇆ CO(g) + O2 

the number of O atoms is not equal on both sides of the equation.

we have 2 O atoms on the left side and 3 O atoms on the right side.

so, this not a balanced equation.

4) also not correct 2CO(g) + O2 ⇆ 2CO2

as it is not a decomposition reaction and the 2CO & O2 are as reactants not products.

so the correct answer is 3) 2CO2(g) ⇆ 2CO(g) + O2(g)
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4 years ago
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Enlargement and disease
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Explain why atoms move at different speeds depending on whether they are in liquid or solid
Diano4ka-milaya [45]
Because in difrent materials atoms are more compact or less compact.if they are less compact then it will be easear for them to move

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If you start with 512 grams of aluminum and 1147 grams of copper chloride to make aluminum chloride and copper, what is the limi
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First you need to calculate the number of moles of aluminium and copper chloride.

number of moles = mass / molecular weight

moles of Al = 512 / 27 = 19 moles

moles of CuCl = 1147 / 99 = 11.6 moles

From the reaction you see that:

if        2 moles of Al will react with 3 moles of CuCl

then  19 moles of Al will react with X moles of CuCl

X = (19 × 3) / 2 = 28.5 moles of CuCl, way more that 11.6 moles of CuCl wich is the quantity you have. So the copper chloride is the limiting reagent.

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Answer:

6. IDK, google only says glacial erratics

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Explanation:

4 0
4 years ago
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