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Iodobenzene ( C6 H5 I, bp 188 C) Steam distills at 98.2 C. How many molecules of water are required to carry over 1 molecule of iodobenzene? how many grams of water per gram of iodobenzene
Calculate the standard potential for this cell at 25 °C. Standard reduction potentials can be found here.
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its first excited state (n = 2).
A sealed container holding 0.0255 L of an ideal gas at 0.999 atm and 67C is placed into a refrigerator and cooled to 45C with no change in volume. Calculate the final pressure of the gas.
predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation.
Please give reasons for compounds like silver sulfate or silver chloride to be insoluble that relate to ionic radius.
A solution of a dye in a 0.80 cm cuvette of concentration 1.25 x 10^-3 M had an absorbance of 0.115 at a particular wavelength. What was the molar absorptivity of the dye
How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold.
Calculate the molality, molarity and mol fraction of a 25.4% (by mass) aqueous solution of phosphoric acid (H3PO4). in one litre of solution.
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
At 350 K, Kc = 0.142 for the reaction 2BrCl(g) -> Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal concentrations of bromine and chlorine, 0.058 mol/L. What is the equilibrium concentration of BrCl? Answer in units of M.
Yet a generic figure is 1kB per particle. Assuming this figure is exact, what is the molar enthalpy of melting of Argon (in kJ/mol), whose melting temperature is 83.85K?
spectroscopy to determine whether your product is contaminated with unreacted cyclohexanol?
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