christianmason9423
29.06.2019 •
Chemistry
Given the reaction: h2o2(l) ⇌ h2(g) + o2(g) the forward reaction is endothermic. determine which of the following changes would result in equilibrium shifting towards the reactants. i. increase h2 ii. decrease o2 iii. add a catalyst iv. decrease the temperature v. increase h2o2
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Ответ:
I and IV
Explanation:
Increasing the number of particles at one side of the reaction (H2 in this case) results in the shifting of the equilibrium to the side with lesser number of particles, so in this case the equilibrium will shift to the left (towards the reactants)
A decrease in temperature will always function to favor the exothermic reaction, and since the backwards reaction is exothermic, the equilibrium will shift to the left (towards the reactants).
Option II and V will shift the equilibrium to the products, and adding a catalyst has no effect on the equilibrium.
Hope this helps!Ответ:
B. Slave Dependent
Explanation:
The north DIDN'T depend on slaves, that was the southern states.