What are the names of the structures in the lungs where gas exchange accuse ?

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Define the kinetic molecular theory

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.