For a perfectly crystaline solid `C_(p.m)=aT^(3)` , where `a` is constant. If `C_(p.m)` is `0.42J//K-mol` at `10 K`, molar entropy at `10 K` is:

For a perfectly crystalline solid C_(p.m) = aT^(3) , where a is constant. If C_(p.m) is 0.42 J/K - mol at 10K, molar entropy at 10K is

For a perfectly crystalline solid C_(p.m) = aT^(3) , where a is constant. If C_(p.m) is 0.42 J/K - mol at 10K, molar entropy at 10K is

For a perfectly crystalline solid C_(p.m.)=aT^(3) , where ais constant. If C_(p.m.) is 0.42.J//K-"mol" at 10K, molar entropy at 10K is:

For a perfectly crystalline solid C_(p.m.)=aT^(3) , where ais constant. If C_(p.m.) is 0.42.J//K-"mol" at 10K, molar entropy at 10K is:

For a perfectly crystalline solid C_(p.m.)=aT^(3) , where ais constant. If C_(p.m.) is 0.42.J//K-"mol" at 10K, molar entropy at 10K is:

For a perfectly crystalline solid C_(p.m.)=aT^(3)+bT ,where a and b constant . If C_(p.m.)is 0.40J//Kmol at 10K and 0.92J//K "mol" at 20K then molar entropy at 20k is:

For a perfectly crystalline solid C_(p,m)=aT^(3)+bT , where a and b are constant. If C_(p,m) is 0.40 J/K mol at 10 K and 0.92 J/K mol at 20 K, then molar entropy at 20 K is :

For a perfectly crystalline solid C_(p,m)=aT^(3)+bT , where a and b are constant. If C_(p,m) is 0.40 J/K mol at 10 K and 0.92 J/K mol at 20 K, then molar entropy at 20 K is :

For a perfectly crystalline solid C_(p,m)=aT^(3)+bT , where a and b are constant. If C_(p,m) is 0.40 J/K mol at 10 K and 0.92 J/K mol at 20 K, then molar entropy at 20 K is :

For a perfectly cyrstalline solid C_(p,m)= a T^(3) + bT , where a and b are constants. If C_(p,m) is 0.40 J/K mol at 10K and 0.92 J/K mol at 20K, then molar entropy at 20K is ?