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-Dominant- [34]
3 years ago
15

Pure water and pure salt are poor conductors of electricity. When salt is dissolved in water, the resulting solution conducts el

ectricity well. Which statement explains why this occurs with these substances?
The process of dissolving makes the electrons in their atoms free to move

The process of dissolving makes the atoms in them free to move

The process of dissolving makes the electrons in their atoms more closely bound

The process of dissolving makes the atoms in them more closely bound to each other
Chemistry
2 answers:
notsponge [240]3 years ago
6 0

Answer:the process of dissovlving makes the ecectrons in their atoms more closely bound

Explanation:

thats what my lesson said

castortr0y [4]3 years ago
4 0

Answer:

you are right

Explanation:

it sounds good

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In the combined gas law, if the volume is decreased, what happens to the temperature if pressure remains constant?
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The correct answer is A. In the combined gas law, if the volume is decreased and the pressure is constant, then the temperature decreases.

 <span>P1V1/ T1 = P2V2 / T2</span>

 <span>Assume the volume decrease by half; V2 = V1/2</span>

 <span>P1V1/ T1 = P2V1 /2 T2</span>

 <span>Cancelling terms,</span>

 <span>1/T1 = 1/2 T2</span>

T2 = T1/2

 <span>Thus, the temperature decreased.</span>

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John Dalton's Atomic Model Below ⬇

Explanation:

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In 1827, Brown observed, using a microscope, that small particles ejected from pollen grains suspended in water executed a kind of continuous and jittery movement, this was named “Brownian motion”. ... This random movement of particles suspended in a fluid is now called after him.

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HOPE this helps :)

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A buffered solution has a pH of 7.5. What would happen to the pH if a small
musickatia [10]

Answer:

Dear user,

Answer to your query is provided below

When small amount of acid was added to buffered solution, pH will change very less.

Explanation:

Buffer solution resists change in ph on adding small amount of acid or base but when we calculate the value of buffer capacity we take the change in ph when we add acid or base to 1 lit solution of buffer.This contradicts the definition of buffer solution.

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