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Arisa [49]
2 years ago
7

Reflection about the evolution of the book​

Chemistry
2 answers:
Setler79 [48]2 years ago
5 0

Answer:

cis the answer

Explanation:

fiasKO [112]2 years ago
4 0

Answer:

Evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth. ...

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Science thing............<br><br> Select the correct answer ♡
Alika [10]

Answer:

d

Explanation:

sugar molecules are being broken down

3 0
2 years ago
Why is Mm02 called manganese (IV) oxide?
Minchanka [31]

Answer:

MnO2 M n O 2 is an ionic substance without any oxo-anions, therefore its name has the -ide ending.

5 0
2 years ago
What happens to the volume of a gas in a closed container if the temperature increases, but the pressure remains the same? Why?
labwork [276]

Answer:

Volume will goes to increase.

Explanation:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

So when the temperature goes to increase the volume of gas also increase. Higher temperature increase the kinetic energy and molecules move randomly every where in given space so volume increase.

Now we will put the suppose values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 4.5 L × 348 K / 298 k

V₂ = 1566 L.K / 298 K

V₂ = 5.3 L

Hence prove that volume increase by increasing the temperature.

3 0
3 years ago
You are given a sample of an element with ONE valence electron.
Gnoma [55]

Answer:

the amount of valence electron, cna be found in the periodic table, which is called the atomic number which is top of the symbol

hope this helps!!! best fo luck to you

5 0
2 years ago
Which quantity represents 0.500 Mole at STP
KIM [24]
0.500 moles is roughly .5*6.022*10^23=3.011*10^23 atoms. This is independent of STP.
4 0
2 years ago
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