Explain why dS 0 for an isothermal material flow.If molecules are flowing into compartment 1, then dn1 is ---Select--- positive negative zero ,1 is ---Select--- greater than less than equal to 2, and dS is ---Select--- positive negative zero . If molecules are flowing into compartment 2, then dn1 is ---Select--- positive negative zero ,1 is ---Select--- greater than less than equal to 2, and dS is ---Select--- positive negative zero . If there is no net transfer of particles, then dn1 is ---Select--- positive negative zero ,1 is ---Select--- greater than less than equal to 2, and dS is ---Select--- positive negative zero .