2 years ago

What is the difference of a mineral and a gem?

1 answer:

4 0

A gem is a crystalized mineral.

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Nat2105 [25]

2Al+3Cl2==>2AlCl3
(4mol Al)(2 mol AlCl3/2 mol Al)=4 mole AlCl3

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3 years ago

IRISSAK [1]

Answer:

Final temperature = 28.0 degrees C.

Explanation:

heat absorbed = mass * specific heat * rise in temperature.

The specific heat of water is 4.186 J /g/C so we have the equation

209 = 10 * 4.186 * x where x is the temperature increase

41.86x = 209

= 5 degrees C.

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2 years ago

kotykmax [81]

Given-

Hydrogen ion concentration pH = 0.008

Now,

we know that pH + pOH = 14

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2 years ago

Nimfa-mama [501]

Weight,
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2 years ago

lorasvet [3.4K]

Answer: Mass of diborane that would react with 7.5 mole of O2 is 70g

Explanation: The explanation is contained in the picture attached.

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2 years ago