3 years ago

What is the chemical formula for copper(II) hydroxide?

1 answer:

8 0

The answer is (4) Cu(OH)2. The valence of Cu ion is 2 positive. The valence of hydroxide(OH-) is one negative. So to balance the compound, the formula should be Cu(OH)2.

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Which object has the greatest volume

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First Law of thermodynamics says energy of the universe is constant and can only be changed in other forms of energy

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4 years ago

Maximum number of possible structural of C7H9N

MrRissso [65]

There are 5 possible structural isomers with the molecular formula C₇H₉N.

Explanation:

You may find the chemical diagrams of the structural isomers in the attached picture.

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structural isomers

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3 years ago

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valentina_108 [34]

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$1.2*10^{-2} g$

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$1 mol - 6*10^{23} particles$

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$44\frac{g}{mol} *0.00026578 mol =0.012 = 1.2*10^{-2} g$

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3 years ago

When 2.85 moles of chlorine reacts with excess tin, how many moles of tin(IV) chloride are formed

svp [43]

Sn + 2Cl2 ------> SnCl4
from reaction 2 mol 1 mol
from the problem 2.85 mol x mol

x=2.85*1/2≈1.43 mol SnCl4

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4 years ago