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Avogadro's number, also known as Avogadro's constant, is a fundamental constant in chemistry that represents the number of atoms, molecules, or particles in ...

Test your knowledge in atoms and molecules

The specific gravity of a substance is often listed in tables instead of either mass density or weight density

When additional pressure is put on a confined liquiz, the pressure is transmitted equally to all parts of the liquid

The barometer is a device used to measure atmospheric pressure

Archimedes' principle states that an object in a fluid is buoyed up with a force equal to the weight of fluid displaced

A comprehensive review of fluid mechanics, hydrostatic pressure, and gas dynamics

Lines that are cut by a transversal may or may not be parallel

Data are often presented in tables, with information organized in rows and columns. This exercise will give you the basic concepts of reading a table to find ...

A line graph, is used to show how quantities change with time. From such a graph, we can determine when a quantity is increasing and when it is decreasing