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Unformatted text preview: X = 34.1 LC0 2 1~ Thus the decomposition of 152 g CaC0 3 produces 34.1 L CO 2 at STP. SEE EXERCISES 5.65 THROUGH 5.68 Note that in Example 5.12 the final step involved calculation of the volume of gas from the number of moles. Since the conditions were specified as STP, we were able to use the molar volume of a gas at STP. If the conditions of a problem are different from STP, the ideal gas law must be used to compute the volume. EXAMPLE 5.13=A sample of methane gas having a volume of 2.80 L at 25C and 1.65 atm was mixed with a sample of oxygen gas having a volume of 35.0 L at 31C and 1.25 atm. The mixture was then ignited to form carbon dioxide and water. Calculate the volume of CO 2 formed at a pressure of 2.50 atm and a temperature of 125C....
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This note was uploaded on 12/13/2010 for the course CHEM 2301 taught by Professor Bill during the Spring '10 term at South Texas College.
 Spring '10
 bill
 Organic chemistry, Stoichiometry

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