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How would you prepare 1.0L of an aqueous solution of sodium chloride having an osmotic pressure of 29atm at 27 degrees celsius? How many grams of NaCl are necessary?
Aluminum metal dissolved in hydrochloric acid as follows: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g)
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: PCl5(g) ? PCl3(g) + Cl2(g)
when silver metal reacts with bromine at 298 k a spntaneous redox reaction takes place. calculate e initial andnbsp
What is the pH after 13.3 mL of base is added? The Ka of butanoic acid is 1.5 X 10^-5.
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
when 0.500 l of a 2.00 m solution of Pb(NO3)2 is mixed with an excess of 1.00m solution of Ki, how many grams lead (II) iodide are formed? ( molar mass: Pb(NO3)2= 331 g;KI 166g; PbI2 =467 g; KNO = 101 g
If you have 4.14 g of caffeine dissolved in 61.0 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 96.9 mL
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0g of luminol to H2O creating a solution with a total volume of 75.0 mL.
Explain why it is necessary to cinsider water vapor pressure in calculating the atomic mass of an unknown metal. Whould the calculated atomac mass be larger or smaller thatn the true value if water vapor pressure was ignored
When a sample of benzoic acid was burned in a bomb calorimeter having a calorimeter constant of 12.5 kJ/oC, the temperature of the calorimeter (including its contents) rose from 23.18oC to 27.65oC. What mass, in g, of benzoic acid was burned
How many kilograms of CO2 are produced from the complete combustion of 1.00L of gasoline assume that the gasoline has the formula C8H18.
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