The following reaction for dissolution of limestone by reaction with carbon dioxide and water is geochemically important

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answerhappygod
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The following reaction for dissolution of limestone by reaction with carbon dioxide and water is geochemically important

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The following reaction for dissolution of limestone by reaction
with carbon dioxide and water is geochemically important.
CaCO3 (calcite) +
H2CO3 ⇌ Ca2+ +
2HCO3
a) Find if the reaction is spontaneous at 25°C and 1 atm
total pressure.
b) Find whether the reaction is spontaneous if the temperature
is decreased to 10°C.
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