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Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4 degrees C. The vapor pressure of water at 69.4C is 227.7 mmHg.
3-nitrophthalic acid will be first converted into 3 nitrophthalhydrazide by reacting with 25% hydrazine. Reduction of the nitro group to an amino group with sodium hydrosulfite affords luminol.
Which of the following molecules would you expect to be the most strongly attracted to a Cl- ion. H-F
Infrared radiation from the sun has a wavelength of 6200 nm. Calculate the energy of one photon of that radiation.
A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the cylinder is 771 torr, what is the pressure that is due to the ..
What volume (in liters) is occupied by 0.01 moles of carbon monoxide
The most common source of copper is the mineral chalcopyrite. How many kilograms of chalcopyrite must be mined to obtain 320. of pure copper?
In each of the following groups of substances, pick the one that has the given property. Explain your reasoning for each.
in an experiment 1.65g of leadii nitrate react with .327g of zinc. what is the mole relationship between the lead
When 27 mL of a 150 mL stock solution containing 2.11 M Na2S is diluted to 74 mL, how many moles of Na+ are in the new solution
How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolyte cell
Write, using correct notation, the balanced nuclear reaction equation for each of the following:a. Electron capture by 93/43 Tc
Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixture
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