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Unformatted text preview: 6. At a total pressure of 0.02 atm, what temperature is needed for the reaction Br 2 (g) = 2Br(g) to equilibrate with half the bromine atoms present as atomic bromine? 7. Consider the decomposition reaction NOCl(g) = NO(g) + (1/2) Cl 2 (g). Suppose we start with 4.00 moles of NOCl(g) and allow it to decompose at a temperature of 375K and under a pressure of 1.5 atm. How much reaction occurs when the system has come to equilibrium at this temperature and pressure? (To simplify the algebra, you may want to assume that the extent of decomposition is small; then, after obtaining a solution for the final partial pressures of each component, check that this assumption was indeed a good approximation.) 8. Play some more with the system in problem 7 above, e.g., change the initial amount of NOCl(g), or the pressure, or the temperature, etc. Think about your results in terms of Le Chateliers principle....
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This note was uploaded on 04/17/2011 for the course CHEM 110A taught by Professor Schwartz during the Spring '06 term at UCLA.
 Spring '06
 Schwartz

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