Part B Find total pressure after 1.40×104 s. Express your answer to two significant figures and include the appropriate units. Ptotal μA Value atm ?

Chemistry: Principles and Reactions
8th Edition
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Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter12: Gaseous Chemical Equilibrium
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Solve Part B only
At 700 K acetaldehyde decomposes in the gas
phase to methane and carbon monoxide. The
reaction is:
CH,CHO(g)—CH4(g)+CO(g)
A sample of CH3 CHO is heated to 700 K and
the pressure is measured as 0.39 atm before any
reaction takes place. The kinetics of the reaction
are then followed by measurements of total
pressure and these data are obtained:
t(s)
0
1000 3000 7000
PTotal (atm) 0.39 0.45 0.52 0.60
Rate=-
Rate= -
Part B
Rate=-
Submit
Correct
Ptotal =
APCH,CHO
At
APCH3CHO
At
APCH,CHO
At
·
My Answers Give Up
Find total pressure after 1.40x104 s.
Express your answer to two significant figures and include the appropriate units.
=9.0× 10-4 atm-¹.s-¹PCH₂CHO² 2
=3.0×10-4s-1PCH,CHO
= 4.5 × 10-4 atm-¹.s-¹PCH₂CHO²
HA
Value
atm
2
?
Transcribed Image Text:At 700 K acetaldehyde decomposes in the gas phase to methane and carbon monoxide. The reaction is: CH,CHO(g)—CH4(g)+CO(g) A sample of CH3 CHO is heated to 700 K and the pressure is measured as 0.39 atm before any reaction takes place. The kinetics of the reaction are then followed by measurements of total pressure and these data are obtained: t(s) 0 1000 3000 7000 PTotal (atm) 0.39 0.45 0.52 0.60 Rate=- Rate= - Part B Rate=- Submit Correct Ptotal = APCH,CHO At APCH3CHO At APCH,CHO At · My Answers Give Up Find total pressure after 1.40x104 s. Express your answer to two significant figures and include the appropriate units. =9.0× 10-4 atm-¹.s-¹PCH₂CHO² 2 =3.0×10-4s-1PCH,CHO = 4.5 × 10-4 atm-¹.s-¹PCH₂CHO² HA Value atm 2 ?
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