Here are some common unit comparisons:
length
1 kilometer= 1000 meters
1 meter= 100 centimeters
1 mile= 5280 feet
1 foot= 12 inches
mass
1 metric ton=100 kilograms
1 kilogram= 1000 grams
1 gram= 1000 milligrams
1 pound= 16 ounces
volume
1 gallon= 4 quarts
1 quart= 2 pints
1 pint= 2 cups
1 cup= 8 fluid ounces
1 tablespoon= 3 teaspoons
1 liter=1000 milliliters
Ye.. the concentration of a substance is measured as the amount of substance per unit volume. Accordingly, the amount of a substance in per unit volume is the concentration of the substance.
Intensity
The evaporation rate can be expressed by the amount of water evaporated from a unit surface area per unit of time.
Work done per unit of time is defined as power. In the metric system, this unit is a watt. In the standard system, it is horsepower.
In this case rate of burning means The amount of explosive converted into heat and energy per unit time. or the amount of explosive consumed per second or per minute.
Yes, a unit rate is the amount for one single unit. In this case, 'per gallon' indicates for 1 single gallon.
Pressure is equal to the amount of force per unit area.
unit rate
If you mean "per unit area", that is the pressure.
No, the density is defined as the amount of mass per unit volume.
Per what kind of unit? A common unit is pressure: force per unit area.
unit price
It is the amount paid per unit when purchased at wholesale.
Pressure is defined as force per unit area.
The amount of substance per unit of volume is defined as concentration in terms of chemistry. The amount of substance refers to the quantity over the volume.
A watt is the amount of work per second.
An electric current is the amount of electrons per unit time or seconds.