In the coulometric titration of U4+ in the presence of excess Ce3+, it was found to require 652 seconds to reach the equivalence point using a constant current of 100.0 mA. How many moles of U4 + were present in the solution? U 4++2Ce4++2H2O ⇄ UO2 2++2Ce3++4H+

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?