PLZ ANSWER ASAP
The temperature of a reaction vessel with liquid reactants is lowered to one-third of
the original temperature. What will happen to the rate of the reaction?
1) It will increase because fewer particles will have the required activation
energy.
2) It will decrease because fewer particles will have the required activation
energy.
3) It will increase because surface area of the particles will increase.
4) It will decrease because surface area of the particles will increase.
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Ответ:
The answer is :
2H₂O (l) >2H₂ (g) + O₂ (g)
That is ,
Oxidation number of oxygen increases in reaction :
2H₂O (l) >2H₂ (g) + O₂ (g)
In H₂O, oxidation number of oxygen is -2 but in O₂ molecule it is 0.
So, oxidation number of oxygen increases in this reaction that is from -2 to 0.
So in the reaction that is 2H₂O (l) >2H₂ (g) + O₂ (g) , oxidation number of oxygen increases .