Need what describes using organisms that were only alive during a specific time period to estimate the unknown age of items? radioactive dating law of superposition relative dating index fossils

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Word equation for k(s) +h2o(l) yield koh (aq) + h2

What does the symbol (–hfus) indicate in a phase change?