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Explain the Coordination Chemistry and Chemical Speciation Utilized in the Analysis of Fluoride in Water Samples by Fluoride Ion-Selective Electrode.
consider a cup of coffee that has a temperature of 93oc. assume the mass of the coffee is 550 g and that the specific
What is the neutralization reaction for each of the following. which reactant is being oxidized and which is being reduced in each of these two reactions
Calculate the pH for each of the following cases in the titration of .50 mL of .150 M hypochlorous acid, HCLO(aq)
Assuming you have avaiable to you a 50.0 g sample of glass (c=0.0837 J/g C) and a 50.0 g sample of iron (c=0.0452 J/g C). Both samples start at room temperature, 24.3C. If 500. joules of heat were added to each of these samples,
the mineral greenockite is a rare yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur by mass. Determine the empirical formula of greenockite.
In a lab exercise 2.43 grams of sodium chloride NaCl is placed in a calorimetric cup containing 50 mL of water at 19 degrees celcius. After mixing the solution temperature is 16.5 degrees celcius.
A mixture of O2, CO2, and N2 has a total pressure of 697. torr. In this mixture the partial pressure of O2 is 143. torr and the partial pressure of CO2 is 197. torr. What is the partial pressure of the N2 (in torr)?
Electron affinity can be defined for molecules just as it is defined for single atoms. Write a complete chemical equation representing the electron affinity of OH. Include all relevant state symbols ((s), (g), etc.)
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
if 1.30 g of P-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen in moles. in grams
the compound kb5o8middotx h2o was analyzed and found to contain 24.6 of water. if the formula weight of this compound
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