Using the information in the table below, for which of these substances will vaporization be spontaneous at standard temperature and pressure? Substance AH°f (kJ mol-1) AG°f (kJ mol-1) S°f (J K-1 mol-1) CHCI3(I) -134.1 -73.7 201.7 CHCI3(g) -103.14 -70.34 295.71 POCI3() -597.1 -520.8 222.5 POCI3(g) -558.5 -512.9 325.5 SICI4(1) -687.0 -619.8 239.7 SICIĄ(g) -662.75 -622.58 330.62 POCI3 SiCl4 CHCI3 None of these substances will have spontaneous vaporization at standard temperature and pressure.

For benzene, the AH of vaporization is 30.72 kJ/mol and the AS of vaporization is 86.97 J/mol-K. At 1.00 atm and 233.5 K, what is the AG of vaporization for benzene, in kJ/mol?

Titanium tetrachloride is used to create smokescreens over water in naval operations. What is the energy change involved in liquifying 379.4 g solid TiCl4 at its melting point? MP = -23.2 °C AHfus = 9.37 kJ/mol q = [ ? ] kJ Do not round until the end. Include either a + or - sign AND the magnitude. q, (kJ) Enter

The slope of a plot of In Pvap vs. 1/T (where Tis in kelvin) for a substance is -3774.1 K. What is the enthalpy of vaporization of this substance in kJ/mol? Report your answer with three significant figures. Be sure to include the appropriate unit with your answer.