ThermodynamicsMedium

Question

ᐃSsurr for an exothermic reaction is

Options

A.always positive
B.always negative
C.zero
D.may be positive or negative

Solution

Heat is released in an exothermic process which increases the entropy ofsurroundings.When entropy of the system is positive, overall entropy change is alsopositive. In some exothermic reaction, entropy of system may decrease.

Create a free account to view solution

View Solution Free
Topic: Thermodynamics·Practice all Thermodynamics questions

More Thermodynamics Questions

For the cell, Mn(s)|Mn(aq)+2(0.4M)||Sn(aq)+2(0.04)|Sn(s), Calculate free energy change (ᐃG) at 298 K. Given : EoMn...One mole of an ideal gas undergoes the following cyclic process.(i) Isochoric heating from (P1, V1, T1) to double temper...The work done on one mole of an ideal gas in the reversible process: PV3 = constant, from (1 atm, 300 K) to 2 2 atm is...Given below are two statements:Statement I: For an ideal gas, heat capacity at constant volume is always greater than th...An amount of 5 mole H2O(l) at 100o C and 1 atm is converted into H2O(g) at 100°C and 5 atm. ΔG for the process is...