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13 Dec 2019

An exothermic process that results in a decrease in entropy will be ________ at _______ temperatures.

1.favorable, all

2.favorable, low

3.favorable, high

4.unfavorable, all

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Jarrod Robel
Jarrod RobelLv2
17 Dec 2019

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Related questions

Consider the endothermic reaction
N2 (g) + 2 H2 (g) ? N2H4 (l)
The entropy change of this reaction is ________ and the enthalpychange is ________, so at a very high temperature, this reaction isprobably ________.
(1) favorable; unfavorable; nonspontaneous
(2) favorable; unfavorable; spontaneous
(3) unfavorable; unfavorable; spontaneous
(4) unfavorable; unfavorable; nonspontaneous
(5) unfavorable; favorable; spontaneous

What can be said about an exothermic reaction with a negative entropy change?

The reaction is

What can be said about an exothermic reaction with a negative entropy change?

spontaneous at all temperatures.
spontaneous at high temperatures.
spontaneous at low temperatures.
spontaneous in the reverse direction at all temperatures.
nonspontaneous in either direction at all temperatures.

1.If one mole of crystalline copper has 4.00 x 1018 of substitutional defects present at 20.0°C , calculate how much higher this energy state is than a perfect copper crystal.

2

For a specific reaction:

ΔG = 10.0 kJ/mole at 27.0°C

ΔG = 2.00 kJ/mole at 177°C

Assuming that the enthalpies and entropies of formation are independent of temperature for this system, calculate ΔS (reaction) and ΔH (reaction).

Is this reaction favorable at all temperatures? Favorable at some temperatures? Never favorable? Explain your answer including key temperatures, if appropriate, in <25 words.

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