Ancient statues made of marble (a form of calcium carbonate) are damaged by acid rain because the reaction between the sulfuric acid in the rain and calcium carbonate produces soluble calcium sulfate, which washes away: CaCO3(s)+H₂SO4 (aq) CaSO4 (aq) + CO₂(g)+H₂O(1) Suppose an engineer decides to study the rate of this reaction. She prepares four reaction vessels by adding 162.5 g of solid calcium carbonate and 56. mL of 5.0 M sulfuric acid solution to each, and then filling the remainder of the vessel with distilled water. The volume and temperature of each vessel is shown in the table below. Arrange the reaction vessels in decreasing order of initial rate of reaction. In other words, select a "1" next to the vessel in which the engineer can reasonably expect the initial rate of reaction to be highest, a "2" next to the vessel in which the initial rate of reaction would be next highest, and so on. vessel volume temperature पह B C D 4.0 L 2.0 L 8.0 L 1.0 L 24 °C 24. C 24. °C 24 °C initial rate of reaction ? 2 ? ? v v v ✓

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".