If the rate law for the reaction a  ⟶products is rate = k[a], calculate the value of k from the following data:   [a] (m)                    initial rate (m/s)        0.10                    0.015  67 s-10.15 s-10.015 s-16.7 s-1

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted