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lakkis [162]
3 years ago
10

Convert the following to Celsius 16) 100° K 17) 200° K 18) 273° K 19) 350ºK

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

OH really

Explanation:

Sorry for that

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Marrrta [24]
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3. What mass of copper could be deposited from a copper(II) Sulphate solution using a current of 5.0 A over 100 seconds? ( F =96
arsen [322]

Mass of copper : 0.165 g

<h3>Further explanation</h3>

Given

5.0 A over 100 seconds

Required

Mass of copper

Solution

Faraday's law:

<em>The mass of the substance formed at each electrode is proportional to the electric current flowing in the electrolysis</em>

<em />\tt W=\dfrac{e.i.t}{96500}<em />

e = Ar / valence = eqivalent weight

i = current

t = time

W = weight

CuSO₄ ----> Cu²⁺ + SO₄²⁻

Cu ----> Cu²⁺ + 2e

e = Ar/2

= 63,5/2 = 31,75

\tt W=\dfrac{31.75\times 5\times 100}{96500}=0.165~g

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3 years ago
What is the charge of the following polyatomic ions
Veronika [31]

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D

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3 years ago
2,3,5-trimethylhexane
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A: radiation

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