3 years ago

During vaporization, a substance changes from a liquid to a(n) blank. (fill in the blank)

Chemistry

1 answer:

Alexxandr [17]3 years ago

3 0

Either a gas or a vapor

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Match each element with the element that is most similar to it. If you don’t know the answer, use this periodic table to help yo

yan [13]

Answer:

Lithium - Potassium

Carbon - Silicon

Fluorine - Bromine

Oxygen - Sulfur

Explanation:

I hope this helps!! :3

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3 years ago

500 mL of water is added to 400 mL of 0.35 M HCl. Find the concentration of the diluted solution.

jarptica [38.1K]

The concentration of diluted solution is 0.16 M

<u>Explanation:</u>

As, the number of moles of diluted solution and concentrated solution will be same.

So, the equation used to calculate concentration will be:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the concentrated HCl solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted HCl solution

We are given:

$M_1=0.35M\\V_1=400mL\\M_2=?M\\V_2=(500+400)mL=900mL$

Putting values in above equation, we get:

$0.35\times 400=M_2\times 900\\\\M_2=\frac{0.35\times 400}{900}=0.16M$

Hence, the concentration of diluted solution is 0.16 M

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3 years ago

What makes a balloon electrically charged?

Natalija [7]

C. Rubbing the balloon against your hair

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2 years ago

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Why is an elements atomic mass not listed as a whole number in the periodic table

FinnZ [79.3K]

Answer:

They aren't listed as a whole number, because an atom's mass is not always a whole number. The mass differs between types of atoms as well.

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If the roller coaster car in the above problem were moving with twice the speed (4m/s), then what would be its

OleMash [197]

Explanation:

New kinetic energy= ½mv'²

v' =4m/s

m= 2000kg

KE = ½ (2000) (4)²

=16000 Joules

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2 years ago