[ocho_cinco]

The rate of decomposition of hydrogen peroxide can be increased using other catalyst, like Mn2+ and Fe2+.
How do you expect enthalpy change for the decomposition reaction to change if different catalysts are used?
Do you expect the rate law to change explain??

[Astrokel]

How do you expect enthalpy change for the decomposition reaction to change if different catalysts are used?

What is the definition of catalyst?

Do you expect the rate law to change explain??

Which part of rate law do you think catalyst affects?

[cliverlong]

Google yields

The effect of catalyst upon rate

http://www.chemguide.co.uk/physical/basicrates/catalyst.html

The effect of a catalyst on the overall enthalpy of reaction

http://www.ausetute.com.au/enerprof.html

Clive