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Xelga [282]
2 years ago
9

Substance A with a specific heat of 1.25 J/g∙oC and Substance B with a specific heat of 12.5 J/g∙oC. If both were exposed to the

same amount of heat which one would rise in temperature the most?
Chemistry
1 answer:
olga55 [171]2 years ago
5 0

Answer:

Substance A

Explanation:

Specific heat is defined by the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C).  

A higher specific heat means it takes more energy to increase the temperature of the substance compared to other substances. Since Substance A has a lower specific heat, it takes less energy to raise the temperature so it will rise in temp faster.

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3 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

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8 0
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