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When you add 2.0ml of 0.50 M S2O32- to the 2.0 ml of 0.10M silver nitrate, formation of Ag(S2O3)23- occured by equation Ag+ +2S2O32- <---->Ag(S2O3)23- Ecell increased even though formation of a solid was not observed. a) Using the value Ecell = 0.68V, calculate the [Ag+] in the test solution after equilibrium is reached. b). Setup a reaction table for equation above and calculate the formation constant for Ag(S2O3)23-.
How can Infrared Spectrometry and/or NMR spectroscopy be useful in helping to identify structural features of an adduct
magnesium hydroxide is 54.87 oxygen by mass.How many grams of oxygen are in 175 g of the compound?How many moles of oxygen is in this.
Elements are always arranged in order of increasing atomic weights. Metallic properties increase going from bottom to top in a family of elements.
At 25 C the density of water is 0.997 g/cm^3, whereas the density of ice at -10 C is 0.917 g/cm^3. if a plastic soft-drink bottle (volume=250mL) is filled with pure water capped and then frozen at -10 C what volume will the soild occupy
Propane (C3H8) is burned in oxygen to produce carbon dioxide and water. The heat of combustion of propane is -2012 kJ/mole. How much heat is given off when 3.0 mol C3H8 are reacted with 10.0 mol O2
A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.
Draw the structure of the product(s) of the reaction between (R)-3-phenylbutan-2-one and ethylmagnesium bromide, followed by acidification. Use wedge and dash bonds to indicate stereochemistry.
A mixture of Ar and N2 gases has a density of 1.416 at STP. What is the mole fraction of each gas?
The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.
using this equation N2(g)+3H2(g)-->2NH3(g) if 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm and 500 degrees how many moles of ammonia gas would be produced, assuming a 15% yield
the difference between nucleophilic centers, nucleophiles, electrophilic centers, and electrophiles. Lastly, tell me how to identify all four of these in a given molecule.
What is the mass in grams of the hydrogen gas obtained? The vapor pressure of water at 20 degrees C is 17.54 mmHg.c
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