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sergij07 [2.7K]
3 years ago
6

How do chemists explain on a molecular basis

Chemistry
1 answer:
Juli2301 [7.4K]3 years ago
4 0

Explanation:

It happens because particles of gas are in constant random motion. Thus they can collide with the walls of the container causing pressure on the walls.

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The combustion of a sample of butune, C4H10 (lighter fluid), produced 2.46 grams of water.
Marizza181 [45]
Molar mass :

H₂O = 18.0 g/mol
O₂ = 32.0 g/mol

<span>2 C</span>₄<span>H</span>₁₀<span> + 13 O</span>₂<span> = 8 CO + 10 H</span>₂<span>O
</span>
13 x 32.0 g O₂ ------------- 10 x 18.0 g H₂O
            ? g O₂ ------------- 2.46 g H₂O


Mass O₂ = 2.46 x 13 x 32.0 / 10 x 18.0

Mass  O₂ =1023.36 / 180

=> 5.68 g of O₂

hope this helps!

7 0
3 years ago
What is the energy in joules of one photon of<br> microwaveradiation with a wavelength 0.122m?
pentagon [3]

<u>Answer:</u> The energy of photon is 162.93\times 10^{-26}J

<u>Explanation:</u>

The relation between energy and wavelength of light is given by Planck's equation, which is:

E=\frac{hc}{\lambda}

where,

E = energy of the light  = ?

h = Planck's constant  = 6.626\times 10^{-34}Js

c = speed of light = 3\times 10^8m/s

\lambda = wavelength of photon = 0.122 m

Putting values in above equation, we get:

E=\frac{(6.626\times 10^{-34}Js)\times (3\times 10^8m/s)}{0.122m}\\\\E=162.93\times 10^{-26}J

Hence, the energy of photon is 162.93\times 10^{-26}J

3 0
3 years ago
What inner planet has enough gravity to hold on to all its gases
Viefleur [7K]
The earth has enough gravity to do that
3 0
4 years ago
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Explain the law of conservation of energy.
Ulleksa [173]
<h2>Energy is conserved. It never appears or disappears. It just changes from one kind of type to another. The Universe contains the same amount of energy it started with. This amount can never change.</h2><h2></h2>

6 0
3 years ago
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In the reaction 2Li(s) + 2H20(1) 2LIOH(aq) + H2(g), which compound is in
VARVARA [1.3K]

Answer:

liquid state is an intermediate phase between solid and gas phase

Answer is A. H20

7 0
3 years ago
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