There is something strange about Star 3’s spectrum. Explain what this is called and what it means about this star.

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

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen