The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by?

Decrease in enthalpy corresponding to evolution of heat
Decrease of entropy
Increase in enthalpy corresponding to absorption of heat
No change in enthalpy

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

During fusion process the heat is absorbed by the solid to convert to liquid leading to increase in enthalpy.

4 views Answered 2022-09-01 13:21

Related Questions

The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called?

1 Answers 5 Views

If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test?

1 Answers 7 Views

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the?

1 Answers 4 Views

A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.?

1 Answers 5 Views

If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the?

1 Answers 4 Views

Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because?

1 Answers 6 Views

In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always?

1 Answers 5 Views

Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.?

1 Answers 6 Views

A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal?

1 Answers 4 Views

The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)