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2 years ago

S + HNO3 = H2SO3 + N2O

Chemistry

1 answer:

Oliga [24]2 years ago

3 0

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Warm air holds _____.

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Which one has the larger ionization energy ??

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2 years ago

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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2 years ago

What is combination reaction and also define it's properties?

tigry1 [53]

Answer:

This is when two or more compounds or elements react to form a single product.

In these reactions new substances are produced or synthesized.

in simple terms the elements or compounds are converted to something new.

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3 years ago

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Help me pls I’m lost if you know it pls answer it thank you

Leokris [45]

Answer:

Thats all i can think of Hope this helped

Explanation:

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3 years ago