What are the best chemicals for speeding up composting? and how much? Ammonium sulfate? Urea? Stump remover (KNO3 Potassium Nitrate)?

Ammonium sulfate?
Urea?
Stump remover (KNO3 Potassium Nitrate)?
As stated before.. None

Bacteria do the decomposition, chemicals will slay them.
Hears the recipe you are looking for:

Is in that a tonic I can use to speed up the decomposition process in my compost pile?

A: Yes, at hand is - just spray on my Compost Starter Tonic: 1/2 can of beer, and 1/2 cup of ammonia within 2 gallons of warm hose down.

Q: I want to start a compost pile, but don't know what to put in it. Could you start me out near some suggestions?

A: Making your own compost pile is easy. Simply follow this chronicle as a guide:

DO USE leaves plant debris
grass clippings
vegetable peelings, eggshells ,coffee grounds ,used tea leaves
the media
soil/manure

Cut all items into small pieces in the past putting them in the pile. Remember, a compost pile is a great process to improve your soil while recycle your yard gamble away.
Answers:    If you really want to use chemcals, you can use RidEx, the stuff for septic systems, All it is is beneficial bacteria and enzymes. The dirt contained by your yard cantains one and the same thing.
You seem hell bent on using chemicals. Why bother near composting?