Nitrobenzene C6H5NO2 (123.11 g / mol), is reduced to aniline C6H5NH2 (93.12 g / mol) with metalic tin. 3 Sn(s) + 2 C6H5NO2 + 12 H+ ⟶⟶ 2 C6H5NH2 + 4 H2O + 3 Sn4+ A 0.4978 gram sample of impure nitrobenzene was treated with 1.144 g of Sn (s). When reaction was complete the residual Sn (s) was collected and measured to weigh 0.538 grams. What is the percent of nitrobenzene in the sample?

Okay well gravitational energy is matter forced by gravity making energy though the kinetic energy then the electric energy produces electricity from the kinetic energy and the kinetic energy gets its energy from the gravitational energy. was that the answer you wanted or something else?  

Answer:

5.6⋅10−^19  j

do you need the explaination?

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.