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If one mole of the following compounds were each placed into separate beakers containing the same amount of water, rank the Cl?(aq) concentrations from highest to lowest (Use the appropriate <, =, or > symbol to separate substances in the list.)KCl, AlCl3, PbCl2, NaCl, HCl
Examine the structures of the following compounds. What functional groups can you identify within the compounds? (They may have more than one.) What structural features do many of these compounds have in common?
a sample of riboflavin has a molar absorptivity of 1.67 x 10^3 L(mol x cm). What is the concentration of a solution with an absorbance of 0.484? The pathlength is 1.00cm.
balance the eqaution c4h9soo2 co2 so2h2o using the smallest possible integers. what is the sum of the coefficients in
A first order reaction has a half life of 26.4 sec. How long will it take for the concentration of the reactant to fall to 1/8 of its original value
An aluminum engine block has a volume of 4.77 L and a mass of 12.88 kg .What is the density of the aluminum in grams per cubic centimeter?
Calculate the overall energy change in kilojoules per mole for the formation of CaCL(s) from the elements. The following data are needed
Write a balanced equation for the reaction involved in the synthesis of aspirin from salicylic acid.
13.00 moles of gas are in a 5.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300 L^2*atm/mol2 and b = 0.0430 L/mol.
calculate the number of gramso f magnesium that can be produced by suipplying 1.00 F tot he electrode.
An equilibrium mixture contains .870 mol I2, and .290 mol H2 in a 1.00 L flask. I found the equilibruim constant to be .172 which is correct.
Describe the computational procedures that lead to the determination of the rate constants ka and kb from measurements of tau for different values of [A]tot
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
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