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GREYUIT [131]
3 years ago
8

Which process describes vaporization that takes place below the surface of a liquid?

Chemistry
2 answers:
NISA [10]3 years ago
6 0

 The correct answer is evaporation because Vaporization that takes place only on the surface of a liquid is called Evaporation.

*Hope this helps!

zimovet [89]3 years ago
5 0

Answer:

d

Explanation:

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How many hours will it take for the concentration of methyl isonitrile to drop to 15.0 % of its initial value?
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Answer:

The concentration  of methyl isonitrile will become 15% of the initial value after 10.31 hrs.

Explanation:

As the data the rate constant is not given in this description, However from observing the complete question  the rate constant is given as a rate constant of 5.11x10-5s-1 at 472k .

Now the ratio of two concentrations is given as

ln (\frac{C}{C_0})=-kt

Here C/C_0 is the ratio of concentration which is given as 15% or 0.15.

k is the rate constant which is given as 5.11 \times 10^{-5} \, s^{-1}

So time t is given as

ln (\frac{C}{C_0})=-kt\\ln(0.15)=-5.11 \times 10^{-5} \times t\\t=\frac{ln(0.15)}{-5.11 \times 10^{-5} }\\t=37125.6 s\\t=37125.6/3600 \\t= 10.31 \, hrs

So the concentration will become 15% of the initial value after 10.31 hrs.

7 0
3 years ago
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The nucleus of an atom ok K-42 contains
horsena [70]
Number of proton K=19

so, 42 - 19 =23

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3 years ago
Find How many joules of heat energy are needed to raise the temperature of 10grams of Aluminum from 20*C to 40*C. If the specifi
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Explanation:

the answer and the working out is shown above, hope it helps.

3 0
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atroni [7]

Answer:

(1) atomic numbers

Explanation:

The observed regularities in the properties of the elements on the periodic table are periodic functions of their atomic numbers.

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  • The periodic law states that "the properties of elements are a periodic function of their atomic number".
  • Elements on the periodic table are arranged based on the atomic numbers they contain.
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