Does the surrounding air become warm or cool when vapour phase of h2o condenses?explain.

1 answer:

8 0

When the vapor phase of h20 condenses, the surrounding air becomes a little cold since it liberates some amount of heat energy in order to change its phase from the gaseous state (vapor) to the liquid state (droplets of water).

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An object is moving north with an initial velocity of 14 m/s accelerates 5m/s for 20 seconds. What is the final velocity of the

olga2289 [7]

Use the kinematic equation: Vf=Vi+at

Then plug;

Vi=14 m/s

a=5 m/s²

t=20 s. Therefore;

Vf=14+(5*20)

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Sphinxa [80]

Answer:

Option (c) : 20°C

Explanation:

$t(final) = \frac{w1 \times t1 + w2 \times t2}{w1 + w2}$