Is the Equation H2O2 + MnO2 = 2HO + Mn + O2 Balanced?

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Hi, I need help balancing this equation H2O2+MnO2=2HO+Mn+O2 is that right?
 
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Aka, see this example: http://www.chemistry.ohio-state.edu/betha/nealChemBal/fr1.2.html
Extrapolate to your equation what you have learned.
 
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MnO2 is most likely only a catalyst.
 
Thread 'Confusion regarding a chemical kinetics problem'

Thread 'Confusion regarding a chemical kinetics problem'

TL;DR Summary: cannot find out error in solution proposed. [![question with rate laws][1]][1] Now the rate law for the reaction (i.e reaction rate) can be written as: $$ R= k[N_2O_5] $$ my main question is, WHAT is this reaction equal to? what I mean here is, whether $$k[N_2O_5]= -d[N_2O_5]/dt$$ or is it $$k[N_2O_5]= -1/2 \frac{d}{dt} [N_2O_5] $$ ? The latter seems to be more apt, as the reaction rate must be -1/2 (disappearance rate of N2O5), which adheres to the stoichiometry of the...
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