4. How many atoms are present in one formula unitof barium acetate, Ba (C2H302)2? (1 Point)
a. 4
b. 8
C. 15
d. 16

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

Which of the following would have the lowest average kinetic energy