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Anastasy [175]
3 years ago
11

How can some of the difficulties caused by the Down Syndrome be over come?

Chemistry
1 answer:
Salsk061 [2.6K]3 years ago
4 0
There is no single, standard treatment for down syndrome.
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In which direction does the wind blow from during a sea breeze
Nadusha1986 [10]

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Sea breeze moves from the areas of higher pressure on the water in the direction of the areas of lower pressure on land.

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3 0
3 years ago
If 9.85 grams of copper metal react with 31.0 grams of silver nitrate, how many grams of copper nitrate can be formed and how ma
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The balanced chemical reaction:

<span>Cu + 2AgNO3 = Cu(NO3)2 + 2Ag
</span>
We are given the amount of the reactants to be used for the reaction. These values will be the starting point of our calculations.

9.85 g Cu ( 1 mol Cu / 63.55 g Cu ) = 0.15 mol Cu
31.0 g AgNO3 ( 1 mol AgNO3 / 169.87 g AgNO3 ) = 0.18 mol AgNO3

The limiting reactant is AgNO3.

0.18 mol AgNO3 ( 1 mol Cu(NO3)2 / 2 mol AgNO3 ) (187.56 g / 1 mol) =16.88 g Cu(NO3)2

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<span>0.06 mol Cu ( 63.55 g Cu / 1 mol Cu ) = 3.81 g Cu excess</span>
3 0
3 years ago
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