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Which of the following pure substances has the highest boiling point?  

At constant pressure, the sign of q for the process C3H8(g) => C3H8(l) is____, because______

On the generic phase diagram below, the gas is present at the temperatures and pressures which are the coordinates of the following points:

Which substance in the liquid state has only dipole-dipole and hydrogen bonding?

If 5.00 mol of hydrogen gas completely reacted with 5.000 mol of chlorine gas at constant pressure, releasing 925kJ of heat, which of the following thermochemical equations is correct?  

Convert 1.35 atm to mm Hg.   

If 9.00  mol of hydrogen gas completely reacted with 3.000 mol of nitrogen gas at constant pressure, releasing 277 kJ of heat, which of the following thermochemical equations is correct?

The following is an explanation of the higher boiling of H2Te compared to H2S

Answer the following question. Show the answer on the screen provided. After uploading your exam, take the picture of your work and upload it to Exam 4 Solutions, Extra Credit, and Partial Credit assignment. Your work must reflect the answer provided here. NO CREDIT will be awarded for the answer without work shown. Use Hess’s law to calculate the enthalpy of reaction for the target reaction 2 Fe(s) + 3 Cl2(g) => 2 FeCl3(s)        from Fe(s) + Cl2(g) => FeCl2(s);                ΔHo  = -341.8 kJ2 FeCl3(s) => 2 FeCl2(s) + Cl2(g);     ΔHo  = +115.4 kJ  

The following is an explanation of the higher boiling of HF compared to HCl