Every research project should make a contribution:

TLS Online TPP Program

#Question id: 20098

#SCPH05 I Biotechnology

When Fe (s) is dissolved in aqueous HCl in a closed vessel the work done is  

TLS Online TPP Program

#Question id: 20099

#SCPH05 I Biotechnology

Hess law of heat summation includes

TLS Online TPP Program

#Question id: 20100

#SCPH05 I Biotechnology

Ice — Water mass ratio is maintained as 1 : 1 in a given system containing water in equilibrium with ice at constant pressure. If CP (ice) = CP (water) = 4.18 J mol^-1 K^-1 molar heat capacity of such a system is 

TLS Online TPP Program

#Question id: 20101

#SCPH05 I Biotechnology

During winters, moisture condenses in the form of dew and can be seen on plant leaves and grass. The entropy of the system in such cases decreases as liquids possess lesser disorder as compared to gases. With reference to the second law, which statement is correct, for the above process? 

TLS Online TPP Program

#Question id: 20102

#SCPH05 I Biotechnology

The enthalpy change for a given reaction at 298 K is – x J mol^–1 (x being positive). If the reaction occurs spontaneously at 298 K, the entropy change at that temperature

TLS Online TPP Program

#Question id: 20103

#SCPH05 I Biotechnology

Spontaneous adsorption of a gas on a solid surface is exothermic process because