8. A sample of propane, CH was completely burned in air at SIP. The reaction occurred as shown below.
CH +0,43 CO, + 4H2O
If 67.2 liters of CO, were produced and all of the
carbon in the CO, came from the propane, what was
the mass of the propane sample?
(A) 11 grams
(B) 22 grains
(C) 33 grams
(D) 44 grams
(E) 55 grams

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.