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If an aluminum scuba tank contains compressed air at 2750 psi, what is the pressure in torr
CuO has the distorted PtS structure. Describe the arrangement of the copper and oxygen atoms
Draw the Caryophyllene (C15H24) structure and then show how it fits the "isoprene rule" by circling the 3 isoprene units in the structure.
Solid calcium oxide mixes with carbon dioxide gas. Diphosphorus pentoxide is added to water. Hydrogen sulfide gas is bubbled through a solution of silver nitrate.
Explain why it is important to use crucible tongs when you transfer the heated crucible
A 2.56 g sample of a colorless liquid was vaporized in a 250mL flask at 121*C and 786 mmHg. Determine the molecular weight of the liquid
Predict the magnetic susceptibilities (para- or diamagnetic) and determine the number of unpaired electrons of each of the following complexes (consider C2O42- and H2O as strong field ligands which cause a large splitting of the d-orbitals).
The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
acetic acid has one carbon- oxygen bond that is 1.36 A nd another 1.23 A however sodium acetate has two equal carbon- oxygen bonds
What is the most common oxidation state of the chalcogens compared to the halogens? What is an explanation for the difference?
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. The net chemical equation is Cu(2+)(aq) + 2OH(-)(aq) --> Cu(OH)2(s)
The radioactive decay of thallium-206 to lead-206 has a half life of 4.20min. Starting with 4.10 x 10^22 atoms of thallium-206
Write the net ionic equation for this reac- tion occuring in water: Calcium sulfide and iron(II) bromide are mixed to form iron(II) sulfide and calcium bromide.
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