What is the rate of dissolution?
how fast the solute dissolves in the solvent
the time it takes to form a saturated solution
the time it takes of 100 g of solute to dissolve
in 100 g of solvent

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions