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10.00mL aliquots of an unknown containing element X was mixed with aliquots of a standard solution of element X for atomic absorption. The standard solution contained 1786.50ug X/mL.
Calculate the concentration of element X if the equation for the best fit line is: A = 0.078(mL X) + 0.138
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Find kJ/mol of H20
what is the pH of a solution prepared by dissolving 4.5 g HCl in water to make 410 mL of solution?
A student found that the mass of an empty specific gravity bottle was 21.431 g. Metal pieces were added to the dry bottle. The specific gravity bottle and the metal pieces together
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
Will a racemix mixture of isoborneol be produced in the reduction of camphor to isoborneol?
it has been determined that the body can generate 5500 kj of energy during one hour of strenuous exercise. perspiration
Starting with 0.86 moles of HF, calculate the number of moles of H2O that is produced by this balanced reaction.
Heterogeneous catalysts that perform hydrogenation reactions are subject to poisioning which shuts down their catalytic ability. Compounds of sulfur are often poisons.
how many moles of HCl are required to make 15.00mL of an aqueous 2.500 molar HCl solution
Calculate the pH of a solution prepared by dissolving 18.32 grams of benzoic acid and 43.23 grams of sodium benzoate in water sufficient to yield 1.00 L of solution.
Explain how you would prepare 500.0mL of a solution that is 0.100M H2SO4 from concentrated 18.0M H2SO4, which is a liquid density 1.82 g/mL.
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
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