The ancient Romans used calcium hydroxide which reacts with

Last updated: 5/6/2023

The ancient Romans used calcium hydroxide which reacts with carbon dioxide to form calcium carbonate as mortar in stone structures And if you ever go to Italy you will see that many still stand after 2000 years The reaction for this process is Ca OH 2 s CO g CaCO3 s H O g AH 69 1 kJ mol What is the enthalpy change for a reaction when 3 00 mol of calcium carbonate is formed O 207 3 kJ 69 1 kJ O 72 1 kJ O 207 3 kJ O 69 1 kJ