Ammonia (nh3(g), es001-1.jpghf = –46.19 kj/mol) reacts with hydrogen chloride (hcl(g), es001-2.jpghf = –92.30 kj/mol) to form ammonium chloride (nh4cl(s), es001-3.jpghf = –314.4 kj/mol) according to this equation: nh3(g) + hcl(g) es001-4.jpg nh4cl(s) what is es001-5.jpghrxn for this reaction? kj

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j

Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant