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Tanzania [10]
3 years ago
5

What kind of reaction is Mercury (11) oxide

Chemistry
2 answers:
nydimaria [60]3 years ago
4 0

Answer:

2HgO --> 2Hg + O2 is a decomposition reaction, in which mercury oxide is decomposed into the element mercury and oxygen gas. A decomposition reaction is one in which a more complex substance is broken down into its simpler components.

Hope this helps!

Morgarella [4.7K]3 years ago
3 0
That would be a decomposition reaction
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Why is it necessary to maintain excess bromine in the reaction mixture with trans-cinnamic acid and bromine
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It is necessary because Trans-cinnamic is a limiting reagent in the mixture reaction while Bromine is the excess reagent

Explanation:

It is necessary to maintain excess bromine in the reaction mixture because Bromine is the excess reagent in the reaction mixture and if it's quantity is less it would consume the limiting reagent ( Trans-cinnamic ) completely . hence Bromine should maintain excess quantity in the reaction mixture

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Which is an example of chemical property? A. Rain freezing into hail. B. A rusty screw. C. Ice melting in a glass. D. Gas in the
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Balance the following chemical equation:<br> C2H60+02 → CO2 + H20
pantera1 [17]

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Explain: In order to balance the chemical equation, you need to make sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side. In order make both sides equal, you will need to multiply the number of atoms in each element until both sides are equal.

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3 years ago
a student determined that it requires 106220 j of energy to vaporize 47g of water. is the student is right​
shusha [124]
<h2>Answer:</h2>

He is right that the energy of vaporization of 47 g of water s 106222 j.

<h3>Explanation:</h3>

Enthalpy of vaporization or heat of vaporization is the amount of energy which is used to transform one mole of liquid into gas.

In case of water it is 40.65 KJ/mol. And 18 g of water is equal to one mole.

It means for vaporizing 18 g, 40.65 kJ energy is needed.

So for energy 47 g of water = 47/18 * 40.65 = 106.1 KJ

Hence the student is right about the energy of vaporization of 47 g of water.

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