What would the charge be on an atom with 9 protons 9 electrons and 10 neutrons

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a.rectant b.product c.supernate