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Thallium has an average atomic mass of 204.3833 u. It has two naturally occuring isotopes, 203Tl (with a mass of 202.9723 u) and 205Tl (with a mass of 204.9745 u). Find the percent abundance of the two isotopes, to ±0.001%.
Draw and label the Crystal Field splitting diagram for the 3d atomic orbitals in an octahedral field
A balloon is filled to a volume of 2.0 102 mL at a temperature of 31.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
If the gas is an ideal gas, what pressure would develop in the can if it were heated to 475oC?
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
Propose a structure for a C6H15O2N compound that is unstable in aqueous acid and has the following NMR spectra:1H NMR:
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
A 26 mL sample of a solution of MgF2 was diluted with water to 75 mL. A 25 mL sample of the dilute solution was found to contain 0.04 moles of F-. What was the concentration of MgF2 in the original undiluted solution
calculate the molar mass of the acid. B. After 10.00 mL of base had been added during the titration, the pH was found to be 5.87. What is the Ka of the unknown acid
Which sample contains the largest number of molecules?
Calculate the mass of nitrogen dissolved at room temperature in an 92.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
How many Carbon 14 atoms are in a charcoal sample that has a decay rate of 3500 disintegrations per min
What chemical test can I do to distinguish between succinic acid and napthoic acid? Succinic acid is a dicarboxylic acid where as napthoic
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