Review Topics] Referances Use the References to access important values if neede

Question

Review Topics] Referances Use the References to access important values if needed for this question. Consider the following system at equilibrium where A H°- 16.1 kJ, and Kc -6.50x10-3, at 298 K. 2NOBr(g)2NO(g) +Br2(g) When 0.31 moles of NO(g) are removed from the equilibrium system at constant temperature The value of Kc The value of QeY The reaction must @run in the forward direction to restablish equilibriumm ® run in the reverse direction to restablish equilibrium. @remain the same. It is already at equilibrium. The concentration of Brz will Submit Answer Retry Entire Group

Explanation / Answer

The value of Kc = do not changes

The value of Qc < kc

The reaction must:

    run in forward direction to reestablish equilibrium.

The concentration of Br2 will increase.

NOTE:

lechatliers principle: when a system at equilibrium,undergoes

stress the equilibrium shifts in such a way that,in order to undo the
stress.

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