Where would you expect to find sedimentary rocks?

1 answer:

8 0

Sedimentary rocks are found covering a majority of the earth's upper crust. The layers of mud and sand deposited to form sedimentary rocks start in the ocean or the sea.

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What is 30% NaOH test

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What process is used to find technological solutions.

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<span>Step one Define the problem. Step two </span>Generate alternative solutions. Step three Evaluate and select an a. Hope this helped you!<span />

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For a cell whose potential is -0.46 v with 3 moles of electrons exchanged, what is DG?

Feliz [49]

ΔG = -nEF

ΔG = Gibbs free energy change
n = moles of electrones participated in
E = Electrode potential
F = Faraday constant

By substituting,
ΔG = -(3 mol) x 96485 A S/ mol x (-0.46) V
= + 133149.3 J
= + 133 kJ

Hence the answer is "b".

Since ΔG is a positive value, the reaction is non spontaneous reaction.

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3 years ago

Compared with a mole of oxygen-16, a mole of sulfur-32 contains: A. twice as many atoms B. half as many atoms C. an equal number

trasher [3.6K]

Given :

Compared with a mole of oxygen-16, a mole of sulfur-32 contains:

A. twice as many atoms .

B. half as many atoms .

C. an equal number of atoms .

D. 8 times as many atoms .

To Find :

The correct option .

Solution :

One mole of atoms of oxygen-16 has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains $6.02\times 10^{23}$ atoms of oxygen.

Same, one mole of sulfur-32 has 32 g mass , and contains same $6.02\times 10^{23}$ atoms of sulfur .

So , both have equal number of atoms .

Therefore , option C. is correct .

Hence , this is the required solution .

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3 years ago