SO
2Cl
2 decomposes in the gas phase by the reaction
SO
2Cl
2(g) → SO
2(g) + Cl
2(g)
The reaction is first order in SO
2Cl
2 and the rate constant is 3.0 × 10
-6 s
-1at 600 K. A vessel is charged with 2.4 atm of

at 600 K. The partial pressure of SO
2Cl
2 at

is ________ atm.
◦ 0.76
◦ 2.2
◦ 0.98
◦ 0.29
◦ 1.4 × 10
5