Question

17 Consider the following reaction: 2NO2 (g) \iff N2O4 (g) Red brown Colorless (when in equilibrium, the mixture has an orange color which is in between red and colorless) When the tube containing the equilibrium mixture was immersed in hot water it turned red When the tube containing the equilibrium mixture was immersed in ice, it turned colorless This observation tells us that A. Reverse reaction is exothermic B. Forward reaction is endothermic C. Pressure has no effect on the equilibrium D. Forward reaction is exothermic E. Temperature has no effect on this equilibrium

          17
Consider the following reaction:
2NO2 (g) \iff N2O4 (g)
Red brown Colorless
(when in equilibrium, the mixture has an orange color which is in between red and
colorless)
When the tube containing the equilibrium mixture was immersed in hot water it turned red
When the tube containing the equilibrium mixture was immersed in ice, it turned colorless
This observation tells us that
A. Reverse reaction is exothermic
B. Forward reaction is endothermic
C. Pressure has no effect on the equilibrium
D. Forward reaction is exothermic
E. Temperature has no effect on this equilibrium

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17
Consider the following reaction:
2NO2 (g) N2O4 (g)
Red brown Colorless
(when in equilibrium, the mixture has an orange color which is in between red and
colorless)
When the tube containing the equilibrium mixture was immersed in hot water it turned red
When the tube containing the equilibrium mixture was immersed in ice, it turned colorless
This observation tells us that
A. Reverse reaction is exothermic
B. Forward reaction is endothermic
C. Pressure has no effect on the equilibrium
D. Forward reaction is exothermic
E. Temperature has no effect on this equilibrium

Added by James A.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

07/27/2023

Step 1

The reaction is: 2NO$_2$ (g) $\rightleftharpoons$ N$_2$O$_4$ (g). NO$_2$ is red-brown, and N$_2$O$_4$ is colorless. When the equilibrium mixture is heated, it turns red, indicating an increase in NO$_2$ concentration. When the equilibrium mixture is cooled, it Show more…

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Consider the following reaction: 2NO$_2$ (g) $\rightleftharpoons$ N$_2$O$_4$ (g) Red brown Colorless (when in equilibrium, the mixture has an orange color which is in between red and colorless) When the tube containing the equilibrium mixture was immersed in hot water it turned red When the tube containing the equilibrium mixture was immersed in ice, it turned colorless This observation tells us that A. Reverse reaction is exothermic B. Forward reaction is endothermic C. Pressure has no effect on the equilibrium D. Forward reaction is exothermic E. Temperature has no effect on this equilibrium

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