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fredd [130]
3 years ago
9

Which of the following is the correct name for the compound MgBr2? A) Magnesium bromate B) Magnesium bromide C) Magnesium dibrom

ide D) Magnesium (1) bromide
Chemistry
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

It's A) magnesium bromide

Explanation:

The name for the compound MgBr2 is magnesium bromide. Mg is the symbol for magnesium, and Br is the symbol for bromine.

I Hope it will help

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In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide dissolved in molten cryolit
natka813 [3]

The given question incomplete, the complete question is:

In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide (Al,03) dissolved in molten cryolite (Na, Alts).re in the reduction of the Al, o, to pure aluminum. Suppose a current of 1800. A is passed through a Hall-Heroult cell for 37.0 seconds. Calculate the mass of pure aluminum produced Be sure your answer has a unit symbol and the correct number of significant digits.

Answer:

The correct answer is 6.2114 grams.

Explanation:

Based on the given question, the value of current or I have given is 1800 amperes, the time given is 37 seconds, and there is a need to find the mass of the pure aluminum generated in the process. Mass or weight can be determined by using Faraday's first law equation, that is, w = MIt/nF.  

Here, M is the atomic mass, w is the weight of the substance deposited, t is time, I is current, n is the number of moles of the electron, and F is the Faraday's constant, which is 96500 C. In the process mentioned in the question, aluminum oxide is reduced to give rise to pure aluminum, and in the process 3 electrons are gained. So, the value of n will be 3. The M or the atomic mass of Al is 27 gm per mole. Now putting the values in the equation we get,  

w = 27*1800*37 / 3*96500

w = 1798200 / 289500

w = 6.2114 grams

Hence, pure aluminum produced in the process is 6.2114 grams.  

7 0
3 years ago
What is the name of the molecular compound CBra?​
Fudgin [204]

Answer:

i think it is a Cobrotoxin

6 0
2 years ago
In which direction does heat energy move?
liq [111]

Answer:

B

Explanation:

Because when a cold object is cold it start to get warm because Of the air.

and it start to warm and it gets warm.

4 0
2 years ago
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an atom of which element has the strongest attraction for electons in a chemical bond?cholorine, phosphorus, carbon, sulfur
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D) Sulphur

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Sulphur has the strongest electromagnetivity here

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According to ___, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas wi
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Charles law is right answer
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3 years ago
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