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2 years ago

Which substance below has the greatest intermolecular forces?

Chemistry

2 answers:

Lilit [14]2 years ago

8 0

Answer:

Oxygen with a boiling point of -183°C.

Explanation:

Higher the intermolecular forces between the liquid particles, more durable it's for it to flee into the vapor part,you would like a lot of energy to convert it from liquid to the vapor part, in different words, higher its boiling point.

Hope it helps!<3

Andrej [43]2 years ago

5 0

I’m sure tbh I finna watch some tvd

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How much energy in joules is released when 18.5 grams of copper cools from 285 °C<br> down to 45 °C

nadya68 [22]

Answer: 1709.4 Joules

Explanation:

The quantity of Heat Energy (Q) released on cooling a heated substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since Q = ?

M = 18.5 grams

Recall that the specific heat capacity of copper C = 0.385 J/g.C

Φ = 285°C - 45°C = 240°C

Then, Q = MCΦ

Q = 18.5grams x 0.385 J/g.C x 240°C

Q = 1709.4 Joules

Thus, 1709.4 Joules is released when copper is cooled.

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2 years ago

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Answer:

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Explanation:

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2 years ago

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Nookie1986 [14]

Answer:

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Explanation:

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Explanation:

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