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Stella [2.4K]
3 years ago
5

What ion is formed When a atom Of mercury (hg) Loses two electron

Chemistry
1 answer:
Ivanshal [37]3 years ago
4 0
Cation is formed when an atom of mercury (Hg) loses two electrons.
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Using the equation 2H2+O2=2H2O, when 47g of water are produced, how many grams of hydrogen must react?
Fed [463]

See , from the equation we can see that for forming two mole of H2O 2Mole of H2 has to react.

Mass of 2 Mole H2O is 18*2gm or 36gm.

So for forming 36 gm H2O 2×2 I.e. 4 gm H2 has to take part in reaction.

Therefore, to form 1 gm H2O 4÷36 gm of H2 has to take part.

So, for forming 47gm H2O (4÷36)×47 gm H2 has to take part

I.e. 5.22 gm of H2 has to take part

So, ans is 5.22 gm of hydrogen.

Hope it helps!!!

6 0
3 years ago
Read 2 more answers
Two compounds are standing at the same temperature. Compound "A" is evaporating more slowly than compound "
Tju [1.3M]
I believe the answer is compound B may have a lower molecular weight compared to compound A. 
At the same temperature, lighter particles of a compound have a higher average speeds than do heavier particles of another compound. Thus, particles of compound B are lighter than those of compound A and thus they have a higher average speed, hence evaporating faster compared to compound A.
4 0
3 years ago
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28: Which of the following alloys does not contain copper? 1.Duralumin 2. Bronze 3.Steel 4.Brass 5.Solder​
Alja [10]

Answer:

<h2>5.Solder........</h2><h3>Hope it helps you!!</h3>
8 0
3 years ago
A nuclide of phosphorus 3015P decays into a nuclide of silicon 3014Si. In order to satisfy charge conservation and lepton number
jeka94

In order to satisfy charge conservation and lepton number conservation the other products must be neutron.

<h3>What is conservation of mass?</h3>

The principle of conservation of mass states that, the sum of the initial mass of reactants must be equal to final mass of the products.

_{15}^{30}P\ --- > \ _{14}^{30} Si \ + \ ^{0}_{1} n

The balanced reaction of radioactive decay of phosphorous shows conservation of mass.

Thus, in order to satisfy charge conservation and lepton number conservation the other products must be neutron.

Learn more about radioactive decay here: brainly.com/question/1383030

#SPJ1

3 0
2 years ago
For the reaction shown, find the limiting reactant for each of the initial quantities of reactants.
Charra [1.4K]

Answer:

heres the link of the answer

boldniwally.com

3 0
2 years ago
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