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3 years ago

Calculate the percentage of all elements in Fel(OH)3

Chemistry

1 answer:

Vsevolod [243]3 years ago

7 0

Answer: 30.06% is your answer.

I hope this helps.

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Which of the following has the greatest influence on the size and force of waves?

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Wind speed bc The faster the wind, the longer it blows, or the farther it can blow uninterrupted, the bigger the waves.

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3 years ago

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Under which conditions (in terms of kinetic energy) does boiling occur? How is the kinetic energy in the liquid increased?

Simora [160]

Explanation:

Boiling is defined as a process in which vapor pressure of a liquid substance becomes equal to the atmospheric pressure.

During this change liquid and vapors remain in equilibrium and the equation for this change is as follows.

$X(l) \rightleftharpoons X(g)$

Therefore, when boiling takes place then average kinetic energy of particles in liquid phase equals to the average kinetic energy of particles in vapor phase.

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3 years ago

Under standard-state conditions, which of the following half-reactions occurs at the cathode during the electrolysis of aqueous

Slav-nsk [51]

Answer:

The following reaction will occur at cathode:

$Ni^{+2}(aq)+2e--->Ni(s)$

Explanation:

The two half reaction during electrolysis of aqueous nickel sulfate will be

a) anode reaction :

Water will undergo oxidation and will evolve oxygen gas at anode as shown in the given reaction:

$2H_{2}O(l) ----> O_{2}(g) + 4H^{+}(aq) + 4e$

b) Cathode reaction: The reduction of Nickel ion will occur by gain of two electrons as shown in the given equation:

$Ni^{+2}(aq)+2e--->Ni(s)$

Thus the overall reaction will be:

$2H_{2}O(l) + 2Ni^{+2}----> O_{2}(g) + 4H^{+}(aq) + 2Ni(s)$

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3 years ago

Petroleum is a mixture of hydrocarbons. It is separated into useful fractions by fractional distillation.

Hunter-Best [27]

Explanation:

Fractional distillation is used to separate crude oil into simpler, more useful mixtures . This method can be used because different hydrocarbons have different boiling points

Hope this help u

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3 years ago

Which pair could be spectator ions?<br> (PLEASE HELP!)

Romashka [77]

I think the answer is yellow. Sorry if I got it wrong

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