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never [62]
3 years ago
6

In addition reaction ,where does the 4 electrons of double bond end up after the reaction?

Chemistry
1 answer:
Ronch [10]3 years ago
6 0

Answer:

................f6f66g

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What is the molar mass of magnesium tartrate
Leya [2.2K]

Answer:

172.385 g/mol

Explanation:

Magnesium Tartrate is C4H4MgO6

C - 12.01 g/mol

H - 1.01 g/mol

Mg - 24.305 g/mol

O - 16.00 g/mol

12.01(4) + 1.01(4) + 24.305 + 16(6) = 172.385 g/mol

3 0
3 years ago
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You find a compound composed only of element "X" and hydrogen, and know that it is 91.26% element X by mass. Each molecule has 2
worty [1.4K]
Since you know the ratio of atoms, you can start to put a formula togeter. The formula might look like:<span>
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X3H8<span>so the ratio of 1:2.67 is still maintained. The mass percent tells you that out of every 100g of compound, 91.26g is element X, so the other 8.74g must be H. Dividing each mass by the number of moles in the formula gets us the molar mass of each element (approximately). DIviding 8.74g by 8 gets 1.09, roughly the molar mass of hydrogen. Dividing 91.26g by 3 gets us 30.4, roughly the molar mass of phosphorus. Element X is most likely phosphorus</span>
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3 years ago
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Which of the following provides the most evidence for the theory of plate tectonics?
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Answer:

i dunno

Explanation:

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5 0
3 years ago
During a laboratory experiment, you discover that an enzyme-catalyzed reaction has a ∆G of -20 kcal/mol. If you double the amoun
Dennis_Churaev [7]

Answer:

dG will be the same -20 kcal/mol

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The dG can be expressed in terms of the G(products) - G(reactants). If the amount of enzyme is doubled the Gibbs energy of the reactants and products will be the same, so the substraction dG has the same value

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Determine whether each of the following cations is acidic or pH-neutral.
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Answer:

1. Acidic

2.Acidic

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All are acidic

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3 years ago
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