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The following data were obtained during the first order thermal decomposition of π‘Ίπ‘ΆπŸπ‘ͺπ’πŸ at a constant volume: π‘Ίπ‘ΆπŸπ‘ͺπ’πŸ(π’ˆ) ⟢ π‘Ίπ‘ΆπŸ(π’ˆ) + π‘ͺπ’πŸ(π’ˆ) π‘¬π’™π’‘π’†π’“π’Šπ’Žπ’†π’π’• π‘»π’Šπ’Žπ’†π’”/π’”βˆ’πŸ 𝑻𝒐𝒕𝒂𝒍 𝒑𝒓𝒆𝒔𝒔𝒖𝒓𝒆/π’‚π’•π’Ž 𝟏 𝟎 𝟎. πŸ’ 𝟐 𝟏𝟎𝟎 𝟎. πŸ• Calculate the rate constant.

The following data were obtained during the first order thermal decomposition of π‘Ίπ‘ΆπŸπ‘ͺπ’πŸ at a constant volume:
π‘Ίπ‘ΆπŸπ‘ͺπ’πŸ(π’ˆ) ⟢ π‘Ίπ‘ΆπŸ(π’ˆ) + π‘ͺπ’πŸ(π’ˆ)
Β 
π‘¬π’™π’‘π’†π’“π’Šπ’Žπ’†π’π’• Β  Β  Β  Β  Β Β  π‘»π’Šπ’Žπ’†π’”/π’”βˆ’πŸ Β  Β  Β  Β  Β  Β  Β Β  𝑻𝒐𝒕𝒂𝒍 𝒑𝒓𝒆𝒔𝒔𝒖𝒓𝒆/π’‚π’•π’Ž
𝟏 Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β Β  Β  Β  𝟎 𝟎.Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β  Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β  πŸ’
𝟐 Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β Β  𝟏𝟎𝟎 𝟎. Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  πŸ•
Β 
Calculate the rate constant.

Grade:

1 Answers

Vikas TU
14149 Points
5 years ago
We know the formula to find the rate constant in first order reaction is:
Β 
k=1/t(ln(Ao/A))
Where Ao is the initial concentration and A is the intermediate concentration so
Β 
We have the total pressure initially as 4atm and the intermediate pressure is 7. So the concentration of So2Cl2 at that time would be 1.
Applying the formula:-
k=100(ln(4/1))........................................(The inverse of time is given as 100 )
k=138.6.

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