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What is the final concentration of (in M) 17.2 mL iron(III) chloride solution with an initial concentration of 0.245 M which is diluted with 16.7 mL of solvent? Assume the volumes are additive.
Design a laboratory set-up that would enable you to separate a mixture of three hydrocarbons with different boiling points. Draw and label a diagram of your set-up
Upon further analysis, the compound is found to be 38.734% C and 61.266% F. What is the molecular formula of the compound? Draw the lewis structure
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
calculate the volume of air at 30 degrees celcius and 1 atm that is needed to burn completely 10 grams of propane. assume that air is 21 percent oxygen by volume
A zero-order reaction has a constant rate of 1.90×10-4 . If after 40.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
Normalize the harmonic oscillator wavefunctions for v=0 and v=1 (?0, ?1) by evaluating the appropriate integrals. Confirm your answer by calculating the normalization factor
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
A single pulse of a laser yields an average of 5.00 multiplied by 1018 photons with = 633 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses need to melt 10.0 g of ice?
Give a detailed mechanism for the nitration of bromobenzene . As part of your answer explain the regiospecificity
Calculate the volume occupied by 1.00 mol N2 using the van der Waals equation in the form of a virial expansion at its Boyle temperature. Assume that the pressure is 10 atm throughout.
In the reaction 4 P4 + 5 S8 -> 4 P4S10 600 g of P4 is mixed with 1300 g of S8.
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