On a particular hot day, the temperature is 40°C and the partial pressure of water vapor in the air is 38.8 mmHg. What is the relative humidity?

a
70
b
62
c
80
d
42
Explanation
Correct Option
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Zeus13
1 year ago
Since the partial pressure of water at 40°C is given to be 33.8mmHg and the saturated pressure AT THE SAME TEMPERATURE is given to be 55.3, we'll use the formula: relative R.P = partial pressure/saturated pressure × 100%

jedroy
2 months ago
humidity equals
svp at dew point/ svp at the stated temperature ×100 svp at dew point which also is the partial pressure is 38.8 and svp at 40°c from the table is 55.3 if you solve it out that is
(38.8/55.3)×100 should equal 70% hope it helps


