Which chemical equation best illustrates the law of conservation of mass? . 2h2o = h2 + o2. ch4 + 3o2 = co2 + 2h2o. al4c3 + 3h2o = ch4 + 4al(oh)3. zn + 2hcl = zncl2 + h2 . could you explain?

What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope