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jek_recluse [69]
3 years ago
14

You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar

there is a small amount of water. explain how the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
Chemistry
1 answer:
melisa1 [442]3 years ago
3 0

since both the jars are kept at the same temperature the vapor pressure will be same in both the cases.


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What do oxygen, silicon, and selenium have in common? How might this relate to their organization on the periodic table?
Sonbull [250]

Answer:

They all belong to the p block in the periodic table

Explanation:

Let us examine the electronic configuration of each element;

Oxygen - [He] 2s2 2p4

Silicon - [Ne] 3s2 3p2

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A common thread that joins all the elements listed above is that they all belong to the p-block in the periodic table. They could be collectively referred to as p-block elements.

8 0
3 years ago
A photon of light possesses 5 x 10^-19 J of energy. Calculate its frequency
saveliy_v [14]

Answer:

The frequency of photon is 0.75×10¹⁵ s⁻¹.

Explanation:

Given data:

Energy of photon = 5×10⁻¹⁹ J

Frequency of photon = ?

Solution:

Formula;

E = hf

h = planck's constant = 6.63×10⁻³⁴ Js

5×10⁻¹⁹ J =  6.63×10⁻³⁴ Js ×f

f =  5×10⁻¹⁹ J / 6.63×10⁻³⁴ Js

f = 0.75×10¹⁵ s⁻¹

The frequency of photon is 0.75×10¹⁵ s⁻¹.

4 0
2 years ago
The sum of all chemical reactions that occur in a cell is called:.
vodomira [7]

Answer:

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5 0
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Lead (II) nitrate reacts with ammonium carbonate to produce ammonium nitrate
vitfil [10]

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Explanation:

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The balanced chemical equation is:

Pb(NO₃)₂ + (NH₄)₂CO₃ → PbCO₃ + 2 NH₄NO₃

To balance the chemical equation the number of atoms of each element   entering the reaction have to be equal to the number of atoms of each   element leaving the reaction, in order to conserve the mass.

Learn more about:

balancing chemical reactions

brainly.com/question/13911443

#learnwithBrainly

3 0
3 years ago
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borishaifa [10]
The answer is B 2 Hope it helps
5 0
3 years ago
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