When heated, CaCO3 decomposes according equation: CaCO3(s) CaO (s) + CO₂(g) This is an endothermic reaction in which AH° = 178.3 kJ/mol and in which entropy increases, AS° = 159 J/mol K. To what temperature (in °C) must CaCO3 be heated in a closed container in order to produce CO₂ at an equilibrium pressure of 0.250 atm? (Assume AH and AS° do not change appreciably with temperature). into CaO and CO₂ to the following

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Question 1 of 17
When heated, CaCO3
decomposes into CaO and CO₂
according to the following
equation:
CaCO3(s) CaO(s) + CO₂(g)
This is an endothermic reaction in
which AH° = 178.3 kJ/mol and in
which entropy increases, AS° =
159 J/mol K. To what temperature
(in °C) must CaCO3 be heated in a
closed container in order to
produce CO₂ at an equilibrium
pressure of 0.250 atm? (Assume
AH° and AS° do not change
appreciably with temperature).
2
5
8
°C
3
60
9
O
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x 100
Transcribed Image Text:< 8:41 1 4 7 +/- Question 1 of 17 When heated, CaCO3 decomposes into CaO and CO₂ according to the following equation: CaCO3(s) CaO(s) + CO₂(g) This is an endothermic reaction in which AH° = 178.3 kJ/mol and in which entropy increases, AS° = 159 J/mol K. To what temperature (in °C) must CaCO3 be heated in a closed container in order to produce CO₂ at an equilibrium pressure of 0.250 atm? (Assume AH° and AS° do not change appreciably with temperature). 2 5 8 °C 3 60 9 O Submit Tap here or pull up for additional resources XU x 100
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