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If 14.5 mL of 1.50 M potassium dichromate is added to a 50 mL volumetric flask and diluted to the mark, what is the resulting concentration of potassium ions?
A hydrogen atom initially in the n=11 quantum state emits a photon having a wavelength of 2.87144E-6 m. What is the quantum number of the final state of the atom
What happens to carboxylic acid when it reacts with 1M NaOH and show the reaction. How does this change its solubility. Which compounds are now in each solution
Determining the BOD of a water sample,it was found that the DO level was 9.3ppm before incubation and 6.7 ppm after five days of incubation.what is the BOD of this sample?
1a coffee cup calorimeter was used for the neutralization reaction of 100 ml of 1.00 m hydrochloric acid with 100 ml of
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
Consider the pH range for the following indicators and select the most appropriate indicator for the titration of an HCN solution with a NaOH titrant.
Calculate the change in pH to 0.01 pH units caused by adding 10. mL of 2.63-M NaOH is added to 440. mL of each of the following
Write the lewis formula for the reactant and product species in the following chemical equation. Include nonbonding electrons. 2OH yields H2O2.
Draw the Newman Structures for the most and least stable conformations of 2,2-dimethyl-3-fluoropentane along the C2-C3 bond.
When molten cesium solidifies to Cs(s) at its normal melting point, is (triangle)S positive or negative. Calculate the value of (triangle)Stotal when 15.0g of Cs(l) solidifies at 28.4 degrees C.
A sample of a fluorocarbon gas was allowed to expand to twice its volume. In this reversible, adiabatic expansion, the temperature dropped from 298.15K to 248.44K. assuming the gas acts ideally during the expansion, estimate Cv for one mole
formation of so3 from the air pollutant so2 is a key step in the formation of acid rain according to the following
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