What is the difference between humidity and relative humidity?
Expert Solution & Answer
To determine
The difference between the humidity and relative humidity.
Answer to Problem 1RCQ
The humidity and relative humidity are differing in terms of their measuring methods.
Explanation of Solution
The humidity is defined as the amount of water vapor present in the unit volume of atmospheric air. Relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor that the air can hold at a certain temperature.
The both humidity and relative humidity are methods of measuring of water vapor present in atmospheric air. The main difference between humidity and relatively humidity is that the humidity is the measure of water vapor present in the unit volume of air regardless of temperature, but the relative humidity is a measure of water vapor relative to the temperature of the air.
Another difference between the humidity and the relative humidity is in the methods of measuring them. The humidity is measured in
gm/m3, whereas the relative humidity is measured in percentage of moisture against the highest possible level of moisture in the air at a specific temperature.
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Two chloride ions and two sodium ions are in water, the "effective charge" on the chloride ions (CI¯) is −2.00 × 10-21 C
and that of the sodium ions (Na+) is +2.00 x 10-21 C. (The effective charge is a way to account for the partial shielding due
to nearby water molecules.) Assume that all four ions are coplanar.
CT
Na+
Na+
30.0°
45.0%
с
сг
L.
where a = 0.300 nm, b = 0.710 nm, and c = 0.620 nm.
What is the direction of electric force on the chloride ion in the lower right-hand corner in the diagram? Enter the angle in degrees
where positive indicates above the negative x-axis and negative indicates below the positive x-axis.
A pendulum has a 0.4-m-long cord and is given a tangential velocity of 0.2 m/s toward the
vertical from a position 0 = 0.3 rad.
Part A
Determine the equation which describes the angular motion.
Express your answer in terms of the variable t. Express coefficients in radians to three significant figures.
ΜΕ ΑΣΦ
vec
(t)=0.3 cos (4.95t) + 0.101 sin (4.95t)
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Part A
■Review
The uniform 150-lb stone (rectangular block) is being turned over on its side by pulling the
vertical cable slowly upward until the stone begins to tip.
(Figure 1)
If it then falls freely (T = 0) from an essentially balanced at-rest position, determine the speed at which the corner A strikes the pad at B. The stone does not slip at its corner C as it falls. Suppose that height of the stone is
L = 1.2 ft.
Express your answer to three significant figures and include the appropriate units.
?
ft
VA 10.76
S
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Chapter 25 Solutions
Conceptual Physical Science Plus Mastering Physics with Pearson eText -- Access Card Package (6th Edition)
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