chem1008assignment7(March17)

chem1008assignment7(March17) - 2(4 pts Nitric oxide(NO and...

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CHEMISTRY 1008 Name: ____________________ Homework Assignment #7 Due: Thursday, March 17 1. At 35.00 ° C, K c =4.00x10 2 for the reaction: NH 3 (g) + H 2 S (g) NH 4 HS (s) 2.00 moles of each species (NH 3 , H 2 S and NH 4 HS) are placed in a 5.00-L vessel at 35.00 ° C. (a) (3 pts) What mass of NH 4 HS will be present at equilibrium? (b) (3 pts) What is the pressure of H 2 S at equilibrium?
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Unformatted text preview: 2. (4 pts) Nitric oxide (NO) and bromine (Br 2 ) at initial pressures of P NO =98.4 torr and P Br2 =41.3 torr, were allowed to react at 300 K to form NOBr. At equilibrium the total pressure was 110.5 torr. The reaction is: 2NO(g) + Br 2 (g) 2NOBr(g) Calculate the value of K p for this reaction at 300K....
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