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Describe a chemical test that would allow you to distinguish eugenol from eugenyl acetate?
Beryllium(II) forms a complex with acetylacetone (166.2g/mol). Calculate the ?molar absorptivity of the complex, given that a 1.34-ppm solution has a transmittance of 55.7% when measured in a 1.00-cm cell at 295 nm, the wavelength of maximum absor..
Consider a mixture of salt NaA and weak acid HA. Please derive the pH Henderson Hasselback equation by writing the equilibrium expression. Define the pKa
Reaction rate laws are frequently used to investigate reaction mechanisms. Would your results to this experiment be consistent with either or both of the following mechanisms
Problem- Predict the sign of delta Ssystem for each of the following processes. Is the signe postive or negative for delta Ssystem? (a) a solid explosive converting to a gas positive negative (b) perfume vapors diffusing through a room positive ne..
1. You have in your possession an acid made up of 68.1% oxygen, 29.8% nitrogen, and the rest hydrogen. Assuming that the molecular formula is the same as the empirical formula, determine the formula of your acid.
5 gram of solid calcium sulfate is added to 1 leter of pure water. what is the soncentration of dissolved sulfate once equilibrim is achieved
Problem- Starting with 1.600 mL of an alcohol (MW 88, d = 0.8114 g/mL) and 3 mL of glacial acetic acid (MW 60, d=1.06 g/mL), calculate the % yield if you collect 0.008 moles of product. (0 digits after decimal point)
Consider the reaction: 2H2S(g)==2H2(G)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have = [H2S]=0.602 , [H2]= 3.24×10^?2M , and [S2] = 7.84×10^?3 M. What is the value of the equilibrium constant at this temp..
What is the molality of a solution of glucose that contains 48.0 g of C6H12O6 dissolved in 410.0 g of water? Use molar masses with at least as many significant figures as the data given.
From data below, calculate the total heat (in J) associated with the conversion of 0.499 mol ethanol gas (C2H6O) at 301°C and 1 atm to liquid ethanol at 25.0°C and 1 atm.
Explain how many values are there for the magnetic quantum number when the value of the angular momentum quantum number is 3
What is an offshore oil platform?
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