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Calculate the concentration of ALL species in a 0.01 M solution of NaN3. The Ka value for hydrazoic acid, HN3, is 1.9 x 10^-5.
117 gram sample of a metal reacts with hyrdochloric acid to produce 36.3 ml of dry hydrogen gas measured at stp. what
What is the total pressure in a 16.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
Explain why two layers formed when 3 M NaOH was added to the ether solution after the initial separation. What solvents do the two layers represent? Which solvent forms the upper layer? Why?
Nitromethane CH3NO2) burns in air to produce significant amounts of heat. 2 CH3NO2(l) + 3/2 O2(g) --> 2 CO2(g) + 3 H2O(l) + N2(g). delta H^0 reaction = -1418 kJ
what is the minimum atomic radius required for a cubic closest-packed metal to accommodate boron atoms (radius 88 pm) in its octahedral holes?
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
At what temperature will a 1.3 g sample of neon gas exert a pressure of 491 torr in a 5.9 L container?
how much heat energy in calories is needed to raise the temperture 10.0g of water 6.0C
How many grams of lead may be formed by the passage of 65.5 amps for 1.07 hours through an electrolytic cell that contains an aqueous Pb(IV) salt.
At the begining of the titration being performed in this lab experiement, how do you determine how much naoh should be added at each interval between volume-pH readings? As you approach the equivalence point,
how much carbon dioxide in kilograms is produced upon the complete combustion of 28.4 rm l of propane approximate
Calculate the concentration of the acetate ion (mol/L) in a solution prepared by dissolving 1.00×10-2 mol of HCl(g) in 1.00 L of 9.00×10-1 M aqueous acetic acid. Equilibrium constants may be found in an appendix to your text.
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