What two compounds form when hydrocarbons burn completely

CO2 AND H2O  e.g.                                                                                                       C3H8+5O2=3CO2+H2O

12 is probably the typical age for a first kiss but i think its to young.

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.