Some students believe that teachers are full of hot air. If I inhale 2.20 liters of gas at a temperature of 18.00 degrees Celsius and it heats to a
temperature of 38.00 degrees celsius in my lungs, what is the new volume
of the gas in liters? Round to two decimal places. INCLUDE UNIT.*

What? i don’t understand

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

It will appear as o2(g) as a reactant 

Iron reacts with oxygen in a chemical hand-warmer. how should this reaction be categorized? the correct answer is: a). as an exothermic process because it releases heat