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In the electrolysis of aqueous potassium nitrate using inert electrodes, which one of the following species is oxidized?
Potassium ion
Nitrate ion
Water
Oxygen
Hydronium ion
Why is the answer water in this case? Wouldn't it be the nitrate ion since the potassium ion should be reduced to K from K+?
phenol (respectively pKa 4.75 and 9.95), What is the principle species present at pH values 3, 5, 7, and 11?
What volume of 0.150M HClO4 solution is needed to neutralize 45.00mL of 8.80×10^-2 M NaOH?
What is the formula for the compound formed between iodine with a valency of (VII) and fluorine
Predict the acid/base/neutral properties of 1.00 M solutions of, respectively, KH2AsO4 and K2HAsO4.
that the reaction was endothermic. If the enthalpy of reaction is negative, then we say that energy was released or that the reaction was exothermic. Most chemical reactions are exothermic.
Titration of a 360 mg sample of synthesized aspirin with 0.100 M NaOH solution needed 20.30mL. Explain what is the EMM of the sample and what is the % ASA
describe why benzoic acid and 4-nitroaniline must be air dried for such a long time or placed in an oven before taking a final mass and finding the melting point
A gas mixture of N2 and CO2 has a total pressure of 8.00 atm and contains 12.5 mol of gas. If the partial pressure of N2 is 3.69 atm, how many moles of CO2 are in the mixture
If 15.68 grams of oxygen gas as well as 7.60 grams of helium gas are both added to a 5.00 L SCUBA tank at room temperature, explain what will be the total pressure in the tank assuming ideal behavior
Calculate the nuclear binding energy for 55/25 Mn in megaelectronvolts per nucleon MeV/nucleon.
Using the standard values for the fundamental charge and the mass of the proton and neutron, what is the charge to mass ratio of the 5He nucleus, in Coulombs per gram?
During the expansion of 0.9704 mole of CO2 gas, the pressure decreased from 2.304 atm to 1.0 atm. What was the DS (J/K) of the process
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