Spontaneous Reaction Video Lessons

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Problem: Which of the following statements are true? I. In a spontaneous process, the path between reactants and products is reversible. II. The reaction of nitrogen atoms to form N2 molecules at 25° C and 1 atm is spontaneous. III. The melting of a solid is spontaneous above its melting point but nonspontaneous below its melting point. IV. The condensation of a liquid will be reversible if it occurs at any temperature other than the boiling point at a specified temperature. V. When a piece of metal is heated to 150° C and added to water, the fact that the water gets hotter is an example of a spontaneous process.    a) I, II, III b) II, III, IV c) II, III, V d) III, IV, V e) I, III, V  

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Problem Details

Which of the following statements are true?

I. In a spontaneous process, the path between reactants and products is reversible.

II. The reaction of nitrogen atoms to form N2 molecules at 25° C and 1 atm is spontaneous.

III. The melting of a solid is spontaneous above its melting point but nonspontaneous below its melting point.

IV. The condensation of a liquid will be reversible if it occurs at any temperature other than the boiling point at a specified temperature.

V. When a piece of metal is heated to 150° C and added to water, the fact that the water gets hotter is an example of a spontaneous process. 

a) I, II, III

b) II, III, IV

c) II, III, V

d) III, IV, V

e) I, III, V

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