Class 11Physics10-1.Thermometry, Thermal Expansion and CalorimetryMix Examples-Thermometry, Thermal Expansion and Calorimetry
MediumWhat are freezing and freezing point?
(N/A) Freezing is the phase transition process in which a substance changes from a liquid state to a solid state. This occurs when the thermal energy of the molecules decreases,causing them to lose their mobility and arrange themselves into a fixed,ordered structure.
The freezing point is the specific temperature at which a liquid turns into a solid at a given pressure. At this temperature,the liquid and solid phases of the substance exist in thermal equilibrium. For pure water at standard atmospheric pressure $(1.013 \times 10^5 \ Pa)$,the freezing point is $0 \ ^\circ C$ or $273.15 \ K$.
The freezing point is the specific temperature at which a liquid turns into a solid at a given pressure. At this temperature,the liquid and solid phases of the substance exist in thermal equilibrium. For pure water at standard atmospheric pressure $(1.013 \times 10^5 \ Pa)$,the freezing point is $0 \ ^\circ C$ or $273.15 \ K$.
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Work done in converting one gram of ice at $-10^{\circ}C$ into steam at $100^{\circ}C$ is ....... $J$
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$(a)$ The $SI$ unit of the Stefan-Boltzmann constant is ...... .
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$(c)$ At ...... temperature,the coefficient of volume expansion of water is zero.
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$A$ solid cube of mass $m$ at a temperature $\theta_0$ is heated at a constant rate. It becomes liquid at temperature $\theta_1$ and vapour at temperature $\theta_2$. Let $s_1$ and $s_2$ be specific heats in its solid and liquid states respectively. If $L_f$ and $L_v$ are latent heats of fusion and vaporisation respectively,then the minimum heat energy supplied to the cube until it vaporises is
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View SolutionThe point on the pressure-temperature phase diagram where all three phases (solid,liquid,and gas) co-exist is called:
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