When does the strain energy change can make a difference in the entha – McqOptions

MCQOPTIONS

1.	When does the strain energy change can make a difference in the enthalpy of mixing in real solutions?
A.	When the temperature is high
B.	When the size difference between atoms is very large
C.	When the temperature is low
D.	When the size difference between atoms is very small
Answer» C. When the temperature is low

Discussion

No Comment Found

Related MCQs

When does the strain energy change can make a difference in the enthalpy of mixing in real solutions?
The variation of activity with composition is given below, out of this which one obeys Raoults law__________
Assuming that A and B mix to form a substitutional solid solution and that all configurations of A and B atoms are equally probable, the number of distinguishable ways of arranging the atoms on the atom sites, if N1=8 and N2=4 is_____ (N1, N2 are the number of atoms in A and B respectively).
Partial molar free energy of a pure substance A or alternatively the chemical potential of A in the phase depends on_____
The configurational entropy depends on _____
In case of an ideal system ΔH of mixing is _________
If we allow inter diffusion to taken place between the elements A and B, there will be change in the free energy because of mixing, if the total molar free energy g of a purely mechanical mixture is 8 Jmol-1and the ΔG of mix is 5Jmol-1, then the total free energy of the system is ____________
In endothermic transformation the enthalpy of mixing is __________
In an exothermic transformation, the total free energy of the system will change far more drastically with composition at higher temperature compared to a lower temperature.
If we consider that there are no volume and enthalpy changes caused by mixing, then the only contribution to the entropy will be__________