(D) The phase diagram of $H_2O$ shows that at $273.15 \ K$ and $1 \ atm$,ice and water are in equilibrium. Since the melting point of ice decreases wi

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The solid phase (ice) disappears completely.

(D) The phase diagram of $H_2O$ shows that at $273.15 \ K$ and $1 \ atm$,ice and water are in equilibrium. Since the melting point of ice decreases with an increase in pressure (due to the negative slope of the solid-liquid equilibrium line for $H_2O$),increasing the pressure at a constant temperature of $273.15 \ K$ shifts the system into the liquid region. Therefore,the solid phase (ice) will melt and disappear completely,converting into the liquid phase (water).

Class 11 Chemistry States of Matter Mix Examples- States of Matter

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Ice and water are placed in a closed container at a pressure of $1 \ atm$ and temperature $273.15 \ K$. If the pressure of the system is increased $2$ times,keeping the temperature constant,then identify the correct observation from the following:

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A
Volume of system increases.
B
Liquid phase disappears completely.
C
The amount of ice decreases.
D
The solid phase (ice) disappears completely.

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Ice and water are placed in a closed container at a pressure of $1 \ atm$ and temperature $273.15 \ K$. If the pressure of the system is increased $2$ times,keeping the temperature constant,then identify the correct observation from the following:

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If $1 \ g$ of $CH_4$ gas effuses through a fine hole in $100 \ s$,how many grams of $SO_2$ gas will effuse in $100 \ s$ under the same conditions of temperature and pressure?

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Assertion : Wet air is heavier than dry air.Reason : The density of dry air is more than density of water.

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Assertion : Wet air is heavier than dry air.
Reason : The density of dry air is more than density of water.