Match the entropy and enthalpy values with the conditions under which the reacti

ID: 987050 • Letter: M

Question

Match the entropy and enthalpy values with the conditions under which the reactions will be spontaneous.

H = 36 kJ/mol, S = 14 J/mol K

H = - 36 kJ/mol, S = 14 J/mol K

H = 36 kJ/mol, S = - 14 J/mol K

H = - 36 kJ/mol, S = - 14 J/mol K

spontaneous at low temperatures

nonspontaneous at all temperatures

spontaneous at all temperatures

spontaneous at high temperatures

H = 36 kJ/mol, S = 14 J/mol K

H = - 36 kJ/mol, S = 14 J/mol K

H = 36 kJ/mol, S = - 14 J/mol K

H = - 36 kJ/mol, S = - 14 J/mol K

spontaneous at low temperatures

nonspontaneous at all temperatures

spontaneous at all temperatures

spontaneous at high temperatures

we have to use the following reactions

G = H -TS

if G get -ve reaction will be spontaneous

lets see the first condition H given +ve so if you want to get hole G -ve wee need TS part must be too high -ve

so it possible with high temperatures

1-D H = 36 kJ/mol, S = 14 J/mol K ---> spontaneous at high temperatures

similarly

2-C

3-B

4-A

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