An excess of aqueous AgNO3 reacts with 41.5ml of 5MK2CrO4(Aq) to form a precipitate what is the precipitate?

Adilute aqueous potassium nitrate solution 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

If two identical atoms are bonded, what kind of molecule is formed