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EastWind [94]
3 years ago
12

Which is an adequate description of the

Chemistry
1 answer:
Ratling [72]3 years ago
6 0

Answer:

the correct answer to it will be

2. They are isomers of butanol

as In the first case the the position of the alcoholic group is in the 1st carbon atom of butane and in the second its located at the 2nd carbon atom of butane.

so the compound is same with same chemical formula but since the postion of alcoholic group is different in both they become each other's isomers.

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The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide (MgO). 2Mg + O2 Right a
Nadusha1986 [10]

Answer:

64.0

Explanation:

2Mg+O2 ---> 2MgO

use dimentional analysis to find the amount of moles of O2 needed first

4.00molMg x 1.00mol O2/ 2.00 mol Mg=. 2.00 mol O2

using the coefficients you can see the mole ratio for O2:Mg the mole ratio is 1:2 which is why there is 1 mole on the top for 2 moles on the bottom. The Mg would cancel and multiply 4 by 1 then divide by 2, or multipy 4 by 1/2

Now that you have the moles of O2 you use the molar mass to find the grams in 2 moles of O2

2.00 mol O2 x 32.0g/1.00 mol = 64.0 g

multiply 2 by 32

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Heavy water is unstable because hydrigen is substituted by its isotope deuterium is it correct
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