Effect of a Catalyst Which substance was most active as a catalyst? ____________

Question

Effect of a Catalyst Which substance was most active as a catalyst? _______________ How does a catalyst change the rate of a reaction without affecting its equilibrium? How do you explain the difference in catalytic activity of the fresh and boiled potatoes? Chemical Equilibrium: Reversible Reactions Reaction of a Hydrate Why did water droplets form at the mouth of the test tube when heated? When the hydrate of CuSO_4 middot 5H_2O(s) was heated, did the reaction proceed in the direction of the reactants or products?

Explanation / Answer

Q5

When the hydrate of Cuso4.5H2O(s) was heated, did the reaction proceed in the direction of the reactants or products?

Product -answer

hydrated copper sulfate becomes anhydrous copper sulfate.

CuSO4.5H2O CuSO4 + 5H2O(g)

CuSO4.5H2O -> CuS04.3H20 +2H20
CuSO4.3H2O -> CuSO4.H2O +2H2O
CuSO4.H20 -> CuSO4 +H2O

Question 2

how does catalyst change rate of a reaction without affecting the its equilibrium

by decreasing activation energy of reactants .

Reactions can be accelerated by the expansion of an impetus, including reversible responses including a last harmony state. Review that for a reversible response, the balance state is one in which the forward and turn around response rates are equivalent. Within the sight of an impetus, both the forward and turn around response rates will accelerate similarly, along these lines enabling the framework to achieve harmony speedier. In any case, it is essential to remember that the expansion of an impetus has no impact at all on the last balance position of the response. It basically gets it there speedier.

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