Identify the single displacement reaction. a. c4h12 + 7o2 ⟶ 6h2o + 4co2 b. 2h2 + o2 ⟶ 2h2o c. al2s3 ⟶ 2al + 3s d. cl2 + 2kbr ⟶ 2kcl + br2

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m

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?