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Arte-miy333 [17]

3 years ago

12

Have you figured out the answer yet ?

2 answers:

shtirl [24]3 years ago

4 0

Answer:

no

Explanation:

garik1379 [7]3 years ago

4 0

Answer:

Not yet!

Note:

Please mark as Brainliest! <3

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Which one of the following frequencies of a wave in the air can be heard has an audible sound by the human ear

yulyashka [42]

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3 years ago

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Pavel [41]

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Which properties are examples of chemical properties? Check all that apply.

Scorpion4ik [409]

Answer:

1.Reactivity

2.combustibility

3.Shape

Hope this helps,

If you think I am right please give brainliest

Happy Holidays!

Explanation:

5 0

3 years ago

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The mass of any amount of a solid, liquid, or gas relative to its volume is called its ____________.

zheka24 [161]

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I’m only in 8th grade science you know

8 0

3 years ago

.The vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a known temper

Elis [28]

Explanation:

It is given that the initial mass of benznene is 7.9286 g

Mass of benzene left = 5.9987 g

So, mass of benzene with which gas get saturated will be calculated as follows.

= 7.9286 g - 5.9987 g = 1.9299 g

Therefore, moles of benzene with which gas get saturated = $\frac{mass}{ molar mass}$

= $\frac{1.9299 g}{78.112 g/mol}$

= 0.0247 moles

Temperature = $27.3^{o}C$ = 27.3 + 273.15 = 300.45 K

Volume = 5.01 L

So, according to ideal gas equation PV = nRT

Putting the given values into the ideal gas equation as follows.

PV = nRT

$P \times 5.01 L$ = $0.0247 mol \times 62.36 torr-liter/mol K \times 300.45 K$

P = $\frac{462.781 torr-liter}{5.01 L}$

= 92.371 torr

Hence, we can conclude that vapor pressure of benzene is 92.371 torr.

8 0

3 years ago