Consider the following system: 4 NH 3 ( g ) + 3 O 2 ( g ) ⇄ N 2 ( g ) + 6 H 2 O ( l ) Δ H = − 153 0. 4 kJ (a) How will the amount of ammonia at equilibrium be affected by (1) removing O 2 (g) (2) adding N 2 (g)? (3) adding water? (4) expanding the container at constant pressure? (5) increasing the temperature? (b) Which of the above factors will increase the value of K? Which will decrease it?
Consider the following system: 4 NH 3 ( g ) + 3 O 2 ( g ) ⇄ N 2 ( g ) + 6 H 2 O ( l ) Δ H = − 153 0. 4 kJ (a) How will the amount of ammonia at equilibrium be affected by (1) removing O 2 (g) (2) adding N 2 (g)? (3) adding water? (4) expanding the container at constant pressure? (5) increasing the temperature? (b) Which of the above factors will increase the value of K? Which will decrease it?
Solution Summary: The author explains that if oxygen is removed, nitrogen is added, water is expanded, and temperature is increased, the reaction favours a forward reaction.
At 276.7 oC, the Kp for the reaction
2 A (g) + 1 B (g) ↔ 5 AB is Kp = 3.07⋅10-2
What is Keq?
In a constant‑pressure calorimeter, 55.0 mL55.0 mL of 0.300 M Ba(OH)20.300 M Ba(OH)2 was added to 55.0 mL55.0 mL of 0.600 M HCl.0.600 M HCl.
The reaction caused the temperature of the solution to rise from 22.19 ∘C22.19 ∘C to 26.28 ∘C.26.28 ∘C. If the solution has the same density and specific heat as water (1.00 g/mL1.00 g/mL and 4.184J/g⋅°C,)4.184J/g⋅°C,) respectively), what is Δ?ΔH for this reaction (per mole H2OH2O produced)? Assume that the total volume is the sum of the individual volumes.
Indicate whether each of the following statements is true orfalse. If it is false, correct it. (a) The feasibility of manufacturingNH3 from N2 and H2 depends entirely on the valueof ΔH for the process N2(g) + 3 H2(g)----->2 NH3(g).(b) The reaction of Na(s) with Cl2(g) to form NaCl(s) is aspontaneous process. (c) A spontaneous process can in principlebe conducted reversibly. (d) Spontaneous processes ingeneral require that work be done to force them to proceed.(e) Spontaneous processes are those that are exothermicand that lead to a higher degree of order in the system.
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Calorimetry Concept, Examples and Thermochemistry | How to Pass Chemistry; Author: Melissa Maribel;https://www.youtube.com/watch?v=nSh29lUGj00;License: Standard YouTube License, CC-BY