Use R=8.3 J/mol-K wherever required. The temperature and the dew point in an open room
Question:

Use $\mathrm{R}=8.3 \mathrm{~J} / \mathrm{mol}-\mathrm{K}$ wherever required.

The temperature and the dew point in an open room are $20^{\circ} \mathrm{C}$ and $10^{\circ} \mathrm{C}$. If the room temperature drops to $15^{\circ} \mathrm{C}$, what will be the new dew point?

Solution:

Air becomes saturated at $10^{\circ} \mathrm{C}$.

If room temperature falls to $15^{\circ} \mathrm{C}$ then also dew point $=10^{\circ} \mathrm{C}$.

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