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Choose the one alternative that best completes the statement or answers the question. 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 high temperatures. B) The reaction is not spontaneous at any temperature. C) The reaction is spontaneous at all temperatures. D) The reaction is spontaneous at low temperatures.