The degradation of phosgene (COCl2) into CO and Cl2 happens to be non-spontaneous at room temperature and standard state conditions (273 K, 1 atm). What change in temperature must occur to make this a spontaneous reaction A. increase T B. decrease T C. add CO to the COCl2
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1. The degradation of phosgene (COCl2) into CO and Cl2 happens to be non-spontaneous at room temperature and standard state conditions (273 K, 1 atm). What change in temperature must occur to make this a spontaneous reaction
A. increase T
B. decrease T
C. add CO to the COCl2
D. there is insufficient data to answer
E. None of the above
2. Calculate ΔS for the reaction:
2 SO3(g) → 2 SO2(g) + O2(g)
ΔS in J/mol K for: SO2(g) = 248.1, SO3(g) = 256.6, O2(g) = 205.0
A. −537 J/mol K
B. +188 J/mol K
C. −188 J/mol K
D. +537 J/mol K
3.Based on application of the VSEPR theory, which molecule is trigonal bipyramidal?
A. BrF5
B. AsF5
C. SF4
D. XeOF4
E. SbCl5 2-
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