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sveticcg [70]
3 years ago
13

How many mole of fe203 are in 233g og the compound

Chemistry
1 answer:
Vadim26 [7]3 years ago
3 0
The answer to this question
Is : 193g
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An inflated balloon contains X air molecules.After some time the volume of the balloon is found to be the half at the same tempe
sladkih [1.3K]

Answer:

See explanation

Explanation:

According to Avogadro's law, the volume of a given mass of gas is directly proportional to the number of molecules of gas present at constant temperature and pressure.

Hence; V1/n1 = V2/n2

The implication of this is, if there were X molecules present and the volume of the balloon is halved, the number of molecules of gas present is also halved. So, we now have X/2 number of gas molecules present in the balloon.

This is in accordance with the statement of Avogadro's law.

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Can plants grow with different liquids
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Which equation was used by Albert Einstein to explain the photoelectric effect? [E = energy, h = Planck’s constant, and v = freq
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Answer:

E = hV

Explanation:

Hello,

Photo electric effect theory was borne out the the confusing if light was either a particle or a wave. However Albert Einstein came up with a theory that light was a particle and each particle carry a certain amount of energy referred to as photons.

He used Max Planck's idea and theorized that since light is made up of photon, when each photon comes in contact with the surface of a metal, the energy is transferred to the electron.

E = hv

E = energy of the photons

h = Planck's constant = 6.626×10⁻³⁴Js

v = frequency of the photon in Hz

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You wear a seat belt when you ride in a car because of Newton's:
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The answer is first law! :)
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Can some one help with this question too??
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Your answer is right tho
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