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musickatia [10]
3 years ago
14

Explain two ways that voltaic cells and electrolytic cells are similar AND two ways that they differ.

Chemistry
1 answer:
lina2011 [118]3 years ago
6 0
Similarities:
•They both have cathode and anode charges.
•Cathode facilitates oxidation and the anode facilitates reduction.

Differences:
•Voltaic cells “work” autonomously, while electrolytic cells need an outside source of energy to work.
•While the voltaic cells’ redox reaction is uncalled-for, the electrolytic cells happen at a set time.

I hope I helped!
Chemistry is pretty hard to explain, so feel free to message me or leave a comment below if you need me to elaborate on my response. :)
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What is the density of ammonia (NH3) at 293 K and 0.913 atm?
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Answer:  The density of  Ammonia is 0.648 g/l

Explanation:

Density = Mass/ Volume

Mass of one mole of  Ammonia (NH3) = 17.031g

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Using the ideal gas law we can determine the volume.

PV = nRT

P = 0.913 atm, V= ?, n = 1, R = 0.08206 L.atm/K, and T= 293K

Make V the subject of the formular, we then have;

V= nRT/ P = 1 mol x 0.08206 L.atm/ K.mol x 293 / 0.913 atm

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Having gotten the value of Volume in this question, we then go back to solve for density.

Density = Mass/ Volume

                17.031g/ 26.3L = 0.64756 ≈ 0.648 g/l

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3 years ago
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allochka39001 [22]

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5 0
3 years ago
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