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aev [14]
3 years ago
5

Yall i think if someone can solve ths problem would save my life. its really URGENT

Chemistry
1 answer:
andre [41]3 years ago
6 0
Cutxitxrxuyrxxydxdyxt
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The process of evaporation describes which of the following changes of state?
Anna35 [415]
The change in state from Liquid ➡ gas describes the process of evaporation.
6 0
3 years ago
The Lanthanides are often be found below the Periodic Table so it will fit nicely on a textbook page. If they were inserted into
Annette [7]

Answer:

period 6

Explanation:

If the lanthanides were inserted into the periodic table, they would go into periodic 6.

Their atomic number is between 57 - 71 from element lanthanum to lutetium.

  • The elements in this period are 15 in number.
  • They are also know as elements in the f-block.

The elements that makes up the series are:

Lanthanum

Cerium

Praseodymium

Neodymium

Promethium

Samarium

Europium

Gadolinium

Terbium

Dysprosium

Holmium

Erbium

Thulium

Ytterbium

Lutetium

6 0
3 years ago
A gas is initially confined to a 1.00 L vessel at 3.00 atm of pressure. A valve connecting the 1.00 L vessel to a 3.00 L vessel
Brilliant_brown [7]

Answer:

c. 0.750 atm .

Explanation:

Hello!

In this case, since the two vessels have different volume, we can see that the gas is initially at 3.00 atm into the 1.00-L vessel, but next, it is allowed to move towards the 3.00-L vessel, meaning that the final volume wherein the gas is located, is 4.00 L; therefore, we use the Boyle's law to compute the final pressure:

P_2V_2=P_1V_1\\\\P_2=\frac{P_1V_1}{V_2} \\\\P_2=\frac{3.00atm*1.00L}{4.00L}\\\\P_2=0.750atm

Therefore the answer is c. 0.750 atm .

Best regards!

8 0
3 years ago
Out of Br2 and NaBr which compound is more likely to be more soluble in CCl4
saul85 [17]
Br2 because it is non polar and so is CCl4 and like molecules dissolve like molecules therefore Br2 will dissolve in CCl4
6 0
3 years ago
The mass of a proton is equal to the mass of?
just olya [345]
It is about equal to the mass of the neutron. So, most people just say that they have the same mass.

*Hope that helps and enjoy Brainly :)*
6 0
3 years ago
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