Question

PRACTICE WORKSHEET

1. A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is

the water pure? Will this water freeze at 0°C?

2. A student heats a beaker containing ice and water. He measures the temperature of the content of

the beaker as a function of time. Which of the following (Fig. 1.1) would correctly represent the

result? Justify your choice.

3. Fill in the blanks:
▪ (a) Evaporation of a liquid at room temperature leads to a _____ effect.

▪ (b) At room temperature the forces of attraction between the particles of solid substances

are _____ than those which exist in the gaseous state.

▪ (c) The arrangement of particles is less ordered in the _____ state. However, there is no

order in the _____ state.

▪ (d) _____ is the change of gaseous state directly to solid state without going through the

_____ state.

▪ (e) The phenomenon of change of a liquid into the gaseous state at any temperature below

its boiling point is called _____ .

4. Convert : a. 349 K to Celsius and Fahernheit b. 65 oC to Kelvin

5. Differentiate between latent heat of fusion and latent heat of vaporisation.​

Answer 1

Answer:

sorry bro I don't know the answer