Which of the following has the correct change in enthalpy and reaction description for the following reaction? nh3(g) + hcl(g) nh4cl(s) given: nh3: ∆h= -46.2 kj hcl: ∆h= -92.3 kj nh4cl: ∆h= -314.43 kj

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)

In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)sno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.

Hydrogen has three isotopes 1h, 2h, and 3h. what is the difference between these three isotopes?