In what other planets did differentiation occur?

1 answer:

3 0

Venus, Mercury and Mars are the differentiated planets. Planetary differentiation can be defined as the process by which the separation of different types of constituents takes place.

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Which analogy most accurately describes quantized energy levels?

grigory [225]

Answer:garden steps that get closer together the further they are from teh ground

Explanation:

Quantized energy levels are discrete and get closer together the further they are from the nucleus

6 0

3 years ago

What mass of gold is produced when 23.8 a of current are passed through a gold solution for 36.0 min ?

SVETLANKA909090 [29]

Answer:-

Solution:- The equation for the conversion of gold ions to gold metal is as follows:

$Au^3^+(aq)+3e^-\rightarrow Au(s)$

From this equation, 1 mol of Gold metal is deposited by 3 mole of electrons.

We know that one mol of electron carries one Faraday that is 96500 Coulombs.

So. 3 moles of electrons would be = 3(96500) = 289500 Coulombs

We could calculate the total Coulombs by using the formula:

q = i*t

where, q is the charge in coulombs, i is the current in ampere and t is time in seconds.

q = $23.8 ampere*36.0 min(\frac{60 sec}{1 min})$

q = 51408 ampere per second

Since, 1 ampere per second = 1 coulomb

So, 51408 ampere per second is same as 51408 coulombs.

Let's use this value of q and the info from balanced equation and molar mass(196.967 g epr mol) of gold to calculate the mass of it being deposited while the current is passed as:

$51408 coulomb(\frac{1 mol Au}{289500 coulombs})(\frac{196.967 g}{1 mol})$