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2 years ago

TWO HYDROGEN ATOMS COMBINE TO FORM HELIUM ATOMS RESULTING IN THE FORMATION OF...

Chemistry

2 answers:

Kobotan [32]2 years ago

6 0

Answer:

When two nuclei form one atom, fusion reactions occur. Two hydrogen atoms combine to produce helium with the sun's reaction. It looks very simplified as follows: H+ H + D + D + H + D. This is referred to as a mass deficit and that mass differential becomes energy.

Explanation:

motikmotik2 years ago

3 0

when two heavy hydrogens combine to for helium , it results in the formation of energy, and a neutron, along with the helium atom

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A factory discharges clean, warm water into a nearby stream. Fish keep dying in this part of stream. Explain why.

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Answer:

the fish can't survive in that warm water

Explanation:

when the factory puts that warm water into the stream where the fish live they changed their environment. by adding unknown chemicals and changing the temp of the water the fish start to die.

The fish aren't used to living in that warm water, and if they can't adapt fast enough they will die, also the unknown chemicals that could be in the water will act as a poison for them making that stream unable to support any life.

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Answer:

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Explanation:

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2 years ago

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When the pH of a solution changes from a pH of 5 to a pH of 3, the hydronium ion concentration is

gizmo_the_mogwai [7]

Answer : The correct option is, (D) 100 times the original content.

Explanation :

As we are given the pH of the solution change. Now we have to calculate the ratio of the hydronium ion concentration at pH = 5 and pH = 3

As we know that,

$pH=-\log [H_3O^+]$

The hydronium ion concentration at pH = 5.

$5=-\log [H_3O^+]$

$[H_3O^+]=1\times 10^{-5}M$ ..............(1)

The hydronium ion concentration at pH = 3.

$3=-\log [H_3O^+]$

$[H_3O^+]=1\times 10^{-3}M$ ................(2)

By dividing the equation 1 and 2 we get the ratio of the hydronium ion concentration.

$\frac{[H_3O^+]_{original}}{[H_3O^+]_{final}}=\frac{1\times 10^{-5}}{1\times 10^{-3}}=\frac{1}{100}$

$100\times [H_3O^+]_{original}=[H_3O^+]_{final}$

From this we conclude that when the pH of a solution changes from a pH of 5 to a pH of 3, the hydronium ion concentration is 100 times the original content.

Hence, the correct option is, (D) 100 times the original content.

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3 years ago

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