the boiling point of a sample of pure water is found to be 102.6 degrees Celsius instead of 100 degrees Celsius at sea level state two factors that may have been resulted to this change

Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?