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3 years ago

How to find the density of a liquid given only volume and molecular weight?

1 answer:

3 0

If you’re given molecular weight, you know that density is mass/volume. You need to convert the molecular weight to volume. If you know what molecule it is, use the gram formula mass to convert it into grams.

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Dalton hypothesized that atoms are indivisible and that all atoms of an element are identical. It is now known that _____.

34kurt

Dalton hypothesized that atoms are indivisible and that all atoms of an element are identical. It is now known that <span>atoms are divisible. The answer is letter C</span>

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3 years ago

Read 2 more answers

What volume (in L) of a 1.25 M

sleet_krkn [62]

Answer:

V1= 0.305L

Explanation:

To find the initial volume of 1.25M potassium fluoride needed to make tge dilution specified in the question, we can use: C1 × V1 = C2 × V2

Since the question wants the volume in litres, convert 455 mL to L

455/ 1000

= 0.455 L

Now make the substitution

1.25 × V1 = 0.838 × 0.455

Rearrange to make V1 the subject

V1=

$\frac{0.838 \times 0.455}{1.25 } = 0.305$

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4 years ago

Ionization of sodium dichromate

inessss [21]

Explanation:

this is the answer of your question .

hope it helped you

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3 years ago

Argon gas has a boiling point of -197 °C. Which of the following diagrams best represents the

Paha777 [63]

Answer:

(a)

Explanation:

Hello,

In this case, the temperature required to boil argon, it means, transform it from liquid to gas is -197 °C. In such a way, since the temperature inside the steel sphere is -190 °C, which is greater than the boiling point, we realize argon is gaseous, therefore, the molecules will be spread inside the sphere as they will be moving based on the kinetic theory of gases.

For that reason, answer is scheme (a).

Best regards.

6 0

3 years ago

. When a newspaper is left in direct sunlight for a few days, the paper begins to turn yellow. The yellow

34kurt

Physical Change

It is being changed by the sun

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3 years ago