Magnesium (IV) oxide is known to hasten the decomposition...
Magnesium (IV) oxide is known to hasten the decomposition of hydrogen peroxide. Its main action is to?
increase the surface area of the reactants
increase the concntration of the reactants
lower the activation energy for the reactio
lower the heat of reaction, ∆H, for the reaction
Correct answer is C
As a catalyst, MnO2 lowers activation energy of a reaction.
Glucose gives a brick-red precipitate with Fehling's solution because it is ...
2X(aq) + MnO2(s) + 4H+(aq) → X2(g) + Mn2+(aq) + 2H2O. The reaction above can be used for the labo...
Which of the following gases is used to retard the vaporization of the filament in a light bulb? ...
NH4- is formed from NH3 and H- by...
Which of the following gases is not acidic? ...
X = - log10 H+] What does X stand for in the expression above?...