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xz_007 [3.2K]
3 years ago
10

Calculate the mass of 3.5 mol C6H6

Chemistry
1 answer:
Lilit [14]3 years ago
4 0
(3.5mol)(24.106 g/1mol c6h6) =84.371 g C6H6
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Calculate the standard entropy of vaporization of ethanol, C2H5OH, at 285.0 K, given that the molar heat capacity at constant pr
MArishka [77]

Answer: The standard entropy of vaporization of ethanol is 0.275 J/K

Explanation:

C_2H_5OH(l)\rightleftharpoons C_2H_5OH(g)

Using Gibbs Helmholtz equation:

\Delta G=\Delta H-T\Delta S

For a phase change, the reaction remains in equilibrium, thus \Delta G=0

\Delta H=T\Delta S

Given: Temperature = 285.0 K

\Delta H=78.3J/mol

Putting the values in the equation:

78.3J=285.0K\times \Delta S

\Delta S=0.275J/K

Thus  the standard entropy of vaporization of ethanol is 0.275 J/K

4 0
3 years ago
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Yuliya22 [10]

Answer:

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Explanation:

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8 0
3 years ago
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Finger [1]

Answer:

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Explanation:

2*109 = 218

5*105 = 525

218*525 = 114450

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3 years ago
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I need an answer and explanation pls
OverLord2011 [107]

Answer:

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Explanation:

This is a single displacement reaction where one side of the ionic compound switches with the other.

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Then, balance out the equation like so and you should get

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