Coal gasification produces an easily-transportable, clean-burning combination of carbon monoxide and hydrogen from coal by reacting it with steam, like this:
C(s) + H2O(g) → CO(g) + H2(g)
Suppose an engineer decides to study the rate of this reaction. He prepares four reaction vessels with 160.3 g of solid carbon and 35.8 g of steam each. The volume and temperature of each vessel is shon 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.