What information does a reaction rate give ? A. It indicates the equilibrium position of the reaction. B. It indicates the concentrations of products formed. C. It indicates how fast reactants become products . D. It indicates if products or reactants are preferred .

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Afamily is one another name for a group on the table of elements.

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 ?