Question

for a spontaneous process delta H should be
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Answer 1

Answer:

• This set of rules can be used to determine four distinct cases by examining the signs of the ΔS and ΔH. When ΔS > 0 and ΔH < 0, the process is always spontaneous as written. When ΔS < 0 and ΔH > 0, the process is never spontaneous, but the reverse process is always spontaneous

• A spontaneous reaction is one that releases free energy, and so the sign of ΔG must be negative. Since both ΔH and ΔS can be either positive or negative, depending on the characteristics of the particular reaction, there are four different possible combinations.