HELP ME QUICK I ONLY HAVE 15 MINUTES LEFT A solution of 0.31 M Pb(NO3)2 and 0.27 M AgNO3 is formed. What will precipitate first if solid KCl is added? (Ksp of PbCl2 = 1.6 x 10-5 and Ksp of AgCl = 1.8x10-10)
KNO3
AgCl
PbCl2
AgNO3

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics