Magnesia (MgO) is used for fire brick, crucibles, and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3) at around 1200°C.(a) Write a balanced equation for magnesite decomposition.(b) Use ΔH° and S° values to find ΔG ° at 298 K.(c) Assuming ΔH° and S° do not change with temperature, find the minimum temperature at which the reaction is spontaneous.(d) Calculate the equilibrium PCO2 above MgCO3 at 298 K.(e) Calculate the equilibrium PCO2 above MgCO3 at 1200 K.

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Q: https://openstax.org/books/chemistry-atoms-first-2e/pages/g-standard-thermodynamic-properties-for-se…

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Q: spontaneous

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