Exam 17: Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Which of the following processes is/are spontaneous? I. Iron in the open air rusts. II. Liquid water in a freezer turns to ice. III. A spark ignites a mixture of propane and air.

The prediction of linearity in a van 't Hoff plot assumes ________

Which of the following relationships are sufficient to ensure that reactants and products will be in their standard states at equilibrium? I. G  0 II. G  0 III. K  1

The enthalpy and entropy of vaporization of ethanol are 38.6 kJ/mol and 109.8 J/mol · K, respectively. What is the boiling point of ethanol under equilibrium conditions, in C?

The entropy of an oxygen molecule in air corresponds to approximately 1  10¹⁰ accessible states. Which of the following states contribute most to this entropy? I. translational II. rotational III. vibrational IV. electronic

The symbol  (NH₄NO₃, s) refers to which of the following reactions?