The rate constant for a particular second-order reaction is 0.47 M-1 s-1 . If the initial concentration of reactant is 0.25 mol/L, it takes s for the concentration to decrease to 0.13 mol/L

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.

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

What must happen before a body cell can begin mitotic cell division