MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Melting Point

A solid is he...

Question

A solid is heated from 0° to 100°C. Its volume increases from V₁ to V₂. It is now cooled to 0°C. Will its volume at 0°C be V₁ or V₂?

Open in App

Solution

At 0^oC, the volume of the solid will be V₁ again.
The molecules of solids are tightly packed. Therefore, on heating to 100^oC, the molecules just vibrate at their specific positions, thereby increasing the volume. Once the solids are cooled back to 0^oC, the molecules stop vibrating, thereby returning to their specific positions.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A rectangular block is heated from

0^{\circ} C

100^{\circ} C

. The percentage increase in its length is 0.10%. What will be the percentage increase in its volume?

Q. What happens when water is cooled from 8°C to 0°C?

Water is heated from $0^{\circ} C t o 10^{\circ} C$ , then its volume

For an ideal gas, an illustration of three different paths

A

(B + C)

(D + E)

from an initial state

P_{1}

V_{1}

T_{1}

to a final state

P_{2}

V_{2}

T_{1}

is shown in the given figure.
Path

A

represents a reversible Isothermal expansion from

P_{1}

V_{1}

P_{2}, V_{2}

(B + C)

reperesents a reversible adiabatic expansion

(B)

P_{1} V_{1}

T_{1}

P_{3}

V_{2}

T_{2}

followed by reversible heating the gas at constant volume

(C)

P_{3}

V_{2}

T_{2}

P_{2}

V_{2}

T_{1}

(D + E)

represents a reversible expansion at constant pressure

P_{1} (D)

P_{1}

V_{1}

T_{1}

P_{1}

V_{2}

T_{3}

followed by a reversible cooling at constant volume

V_{2} (E)

P_{1}

V_{2}

T_{3}

P_{2}

V_{2}

T_{1}

Δ S

(D + E) ?

Q. A bubble occupies volume

V_{1}

at the bottom of a pond at

20^{\circ} C

and 1.5 atm pressure. When it comes at the surface, it observes a pressure of 1 atm at

25^{\circ} C

and occupies volume

V_{2}

(\frac{V_{2}}{V_{1}})

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Can Matter Change Its State?

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon