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k0ka [10]
3 years ago
11

Four moles of iron metal react with three moles of oxygen gas to produce two moles of iron (III) oxide. What is the balanced equ

ation for the formation of rust?
Chemistry
1 answer:
Eddi Din [679]3 years ago
3 0

Answer:4 Fe + 3 O2 => 2 Fe2O3

Explanation: The number of atoms are now balanced.

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Which of these neutralization reactions has a ph < 7 when equal molar amounts of acid and base are mixed. select one:
emmasim [6.3K]
The correct answer is B.
Strong acids completely dissociates to give hydrogen ions . Weak bases can only partially dissociate to give hydroxide ions .
Therefore when equal amounts of acid and base are mixed, while Acid is completely dissociated and gives out hydrogen ions but base only gives out a fraction of hydroxide ions.
Therefore number of hydrogen ions in the solution will be higher than hydroxide ions, resulting in an acidic pH. Therefore pH <7
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A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and titrated with a 0.050 M soluti
Katarina [22]

Im honestly not really sure ..

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6 0
4 years ago
What controls the volumes of water in each cylinder once equilibrium is established?
Neporo4naja [7]

The increase in volume shift the equilibrium towards making more moles of gas, decrease in volume shift the equilibrium towards producing fewer moles of gas.

<h3>What is equilibrium?</h3>

The equilibrium of the gas is based on the pressure of the gas. With the increase in pressure, the equilibrium moves towards making fewer molecules of gas.

The gas equilibrium is proportional to the equilibrium K.

Increase in volume shift the equilibrium towards making more moles of gas, decrease in volume shift the equilibrium towards producing fewer moles of gas.

Learn more about equilibrium

brainly.com/question/13463225

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6 0
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