An unknown gas, D, reacts with fluorine gas to form the compound DF4(9), as represented by the following equation. D(g) + 2 F2(9) → DF4(9) A series of experimental trials were performed at 600°C to determine the rate law expression for the reaction. Data from the trials are shown below. Initial Pp Initial PE Initial Rate of Appearance of DF4(g) (torr) (torr) (torr/min) Trial 1 1500 1500 5.00 x 10-3 Trial 2 3000 1500 10.0 x 10-3 Trial 3 1500 3000 20.0 x 10-3 (a) A student claims that the reaction is first order with respect to F2(g). Do you agree or disagree? Justify your answer using the data above.

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An unknown gas, D, reacts with fluorine gas to form the compound DF4(g), as represented by the following equation.
D(g) + 2 F2(g) → DF4(9)
A series of experimental trials were performed at 600°C to determine the rate law expression for the reaction. Data from the trials are shown below.
Initial Pp
Initial PF,
Initial Rate of Appearance of DF4(g)
(torr)
(torr)
(torr/min)
-3
Trial 1
1500
1500
5.00 x 10
Trial 2
3000
1500
10.0 x 10-3
Trial 3
1500
3000
20.0 x 10
(a) A student claims that the reaction is first order with respect to F2(g). Do you agree or disagree? Justify your answer using the data above.
Transcribed Image Text:An unknown gas, D, reacts with fluorine gas to form the compound DF4(g), as represented by the following equation. D(g) + 2 F2(g) → DF4(9) A series of experimental trials were performed at 600°C to determine the rate law expression for the reaction. Data from the trials are shown below. Initial Pp Initial PF, Initial Rate of Appearance of DF4(g) (torr) (torr) (torr/min) -3 Trial 1 1500 1500 5.00 x 10 Trial 2 3000 1500 10.0 x 10-3 Trial 3 1500 3000 20.0 x 10 (a) A student claims that the reaction is first order with respect to F2(g). Do you agree or disagree? Justify your answer using the data above.
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