chemistry

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if the chemical equation is CaCO3(s) + 2HCl(aq) > CaCl2(aq) + H2O(l) +CO2(g) and represents the reaction of an antacid, CaCO3, with a acid,HCl. why might someone using this antacid experience discomfort due to gas pains?

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    Think about it. If someone take an antacid that contains CaCO3, CO2 gas is produced, and if the CO2 gas becomes trapped and can'g get out of the intestinal tract, it will cause pain.

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