Chemistry, 15.06.2020 19:57 florenciaaxell4042
Exercice 1
Une mole de gaz parfait à une température initiale de 298K se détend d’une pression
de 5 atmosphères à une pression de 1 atmosphère. Dans chacun des cas suivants :
On donne :
v
p
C
C
= 1,4
Cp-Cv = nR
1.) détente isotherme et réversible
Calculer :
a) Le volume V1 et V2
b) la température finale du gaz (T2)
c) la variation de l’énergie interne du gaz
d) le travail effectué par le gaz
e) la quantité de chaleur mise en jeu
f) la variation d’enthalpie du gaz
Answers: 3
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Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
Answers: 2
Exercice 1
Une mole de gaz parfait à une température initiale de 298K se détend d’une pression
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