A sample of ammonia (NH3) gas is completely decomposed to nitrogen and hydrogen gases over heated iron wool. If the total pressure is 866 mmHg after the reaction, calculate the partial pressures of N2 and H2.
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Spencer Kociba CHEM 101 Lecture 11/15/16 THERMOCHEMISTRY ● Enthalpy ○ Represented as ΔH ○ Internal energy + pressure*volume ■ We will mostly be concerned with constant pressure. This is where the formula ΔH = ΔE + PΔV comes from ○ ΔH = q (enthalpy=heat gained or lost in the system) ● Properties of Enthalpy (ΔH ) ○ ΔH is directly proportional to mass ○ ΔH for a reverse reaction is equal in magnitude (quantity) but opposite in sign for the forwards reaction ○ Hess’s Law: ΔH is independent of the number of steps involved ■ If Reaction(1) + Reaction(2)=Reaction(3), then ΔH =3ΔH + 1H 2 ● Endothermic reactions ○ Gains heat from sur
Textbook: Chemistry: Atoms First
Author: Julia Burdge, Jason Overby
This full solution covers the following key subjects: ammonia, calculate, completely, decomposed, gas. This expansive textbook survival guide covers 25 chapters, and 3129 solutions. The full step-by-step solution to problem: 75QP from chapter: 11 was answered by , our top Chemistry solution expert on 08/07/17, 05:01AM. Chemistry: Atoms First was written by and is associated to the ISBN: 9780073511160. The answer to “A sample of ammonia (NH3) gas is completely decomposed to nitrogen and hydrogen gases over heated iron wool. If the total pressure is 866 mmHg after the reaction, calculate the partial pressures of N2 and H2.” is broken down into a number of easy to follow steps, and 36 words. This textbook survival guide was created for the textbook: Chemistry: Atoms First , edition: 1. Since the solution to 75QP from 11 chapter was answered, more than 306 students have viewed the full step-by-step answer.