Which Statement Is True About the Formation of CaCO₃(s)from CaO(s)and

question 43

Multiple Choice

Which statement is true about the formation of CaCO₃(s) from CaO(s) and CO₂(g) at 1.00 atm? CaO(s) + CO₂(g) → CaCO₃(s) ΔH° = -178.7 kJ and ΔS° = -150.4 J/K

• A)The reaction is spontaneous at all temperatures.
• B)The reaction is spontaneous at high temperatures.
• C)The reaction is spontaneous at low temperatures.
• D)The reaction is not spontaneous at any temperature.

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