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Combustion of an unknown hydrocarbon (a compound containing only C and H) yields 143.66 g CO2 and 29.40 g of H20.
a) what is the empirical formula of the compound?
b) if its molar mass is approx. 25 g/mol what is its molecular formula?
What is the total mass of AlCl3 in this sample? b. How many moles of AlCl3 are in this sample?
Construct a Molecular Orbital Diagram showing the various energy levels for an Octahedral Transition Metal Complex (?-bonding only case!). Label (i) all initial metal orbitals
What volume of an organic solvent must be used to effect 90% seperation in one extraction when only 2.7 g of a certain compound dissolves 100 ml of water? (K=15).
Add sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic? (Explain what else is needed, what observations are made, and what should be observed if the so..
if a plant produces 5.06 mol of C6H12O6, how many moles of CO2 are needed?
What is the Brownian diffusivity of a 0.2 um (micrometer) particle in air? Assume T = 293 K and P = 1 atm.
Given a barometric pressure of 756.0{rm mmHg} , calculate the pressure of gas sample (a) as indicated by the manometer
Write down the full Hamiltonian for a He atom moving freely in space, i.e., there is no external potential. b) Now assume there is no repulsion between the electrons
Draw the structures for and name and classify as primary, secondary, or tertiary all the isomeric amines
What is the velocity of an electron that has a de Brogile wavelength of 4.22 nm?
State what these are, how they are made, and one way they can be used productively in research and one way they can be used in medical diagnostics.
What is the molar absorptivity of the unknown compound. What is the concentration of the compound in a solution, if the absorbance of the solution in a 1.00 cm cell at 520 nm is 0.320
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