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a. Sodium bisulfite solution is added to an experiment at the end in order to destroy the unreacted bromine. What reaction is occuring here? Is HSO3- acting as an oxidizing or reducing agent? Write a balanced equation.
b. Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
The density of lead is 11.3 g/ml. The water level in a graduated cylinder initially at 220mL rises to 297mL after a piece of lead is submerged. What is the mass in grams of the lead?
Converting Voltages, Convert the following voltages. Assume the silver-silver chloride and calomel reference electrodes are saturated with KCl, giving cell potentials of +0.197 V and +0.241, respectively.
The wavelength corresponding to the threshold frequency to tungsten surface is 230nm. Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.
Prepare 1.00L of a pH~12 buffer with a total phosphate concentration of 0.050 M.You have at your disposal the following compounds
How much PV work is done if 88.0 grams of C 2H 4 ethylene and 120 grams of hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change = -70.3 Litres?
The manometer shown below measures the pressure of the water in the tank. Using variables for the densities (no values given), find the gage pressure at point A.
explain the basis of your decision and note if the bond(s) formed are ionic or covalent. a.) sodium and fluorine b.) nitrogen and hydrogen c.) silicon and oxygen d.) chlorine and bromine (please explain in details.)
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
in the reaction P4+5O2->2P2O5, how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
Bottled propane is used in areas away from natural gas pipelines for cooking and heating, and is also the source of heat in most gas barbecue grills. Propane burns in oxygen according to the following balanced chemical equation.
A 70.0 silver object and a 40.0 gold object are both added to 45.5 of water contained in a graduated cylinder. What is the new water level in the cylinder?
What are some of the differences between water obtained from a river that flows past farmland and water obtained five miles
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