40-Equil-Constants

40-Equil-Constants - EQUILIBRIUM CONSTANT GCHEM II LAB...

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CONSTANT GCHEM II LAB CONCEPT PROBLEMS 1) Consider equilibrium equation: 2HI(g) I 2 (g) + H 2 (g) at 450.0 K. If 5.00E-3 moles of H 2 and 2.00E-2 moles of I 2 are placed in a 5.00 L flask and allowed to come to equilibrium. The flask was analyzed and equilibrium concentration of resulting HI was found to be 1.87E-3 M. Calculate the Kc for the reaction. R eaction I nitial (moles/L) C hange (+/–) E quilibrium 2) Consider equilibrium equation: H 2 (g) + Br 2 (g) 2HBr(g). A mixture of 1.374 grams of H 2 and 70.31 grams of Br 2 is heated in a 2.00 L flask to 700.0 K. At equilibrium the vessel is found to contain 0.566 grams of H 2 . Calculate the K c for the reaction. R eaction I nitial (moles/L) C hange (+/–) E quilibrium 3) A mixture of H 2 and N 2 gas is allowed to attain equilibrium at 450.5 K and form NH 3 gas. The equilibrium mixture was analyzed and found to contain 7.38 atm H 2 , 2.46 atm N 2 , and 0.166 atm NH 3 . Calculate the equilibrium constant. R eaction
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40-Equil-Constants - EQUILIBRIUM CONSTANT GCHEM II LAB...

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