If volume is increased, the number of
collisions per second

Asolid that forms and separates from a liquid mixture is called

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .