A15.0-ml volume of 0.0100 m pb(no3)2 is added to 15.0 ml of 0.0100 m nai. a precipitate is formed, and equilibrium is established. the ksp equilibrium expression for the dissolution of pbi2 is

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