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Write seperate oxidation and reduction half reactions
3 NO3- (aq) + 8Al (s) + 5 OH- (aq) + 18 H2O(L) ---> 3 NH3 (g) + 8 Al(OH)4- (aq)
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.0800 atm, 0.00500 atm, and 0.00200 atm respectively.
Fe2O3(s) + 3CO(g)-> 2Fe(s) + 3CO2(g) Based on this equation, how many moles of carbon monoxide (CO) are needed to react completely with 1.75 moles of iron (lll) oxide (FeO3)??
A chemist studying the properties of photo- graphic emulsions needed to prepare 500 mL of 0.18 M AgNO3 (aq). What mass of silver nitrate must be placed into a 500 mL volumetric ?ask, dissolved, and diluted to the mark with water? Answer in units o..
How many grams of riboflavin (molecular mass = 374.6g/mol) are required to prepare a 1.00L solution that is 5.00 x 10^-5 M
calculate E when 830.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm.
Iodine-131 is one of the most important isotopes used in the diagnosis of thyroid cancer. One atom has a mass of 130.906114 amu. Calculate the binding energy
which one of the following would furnish the highest yield of a methyl ether on reaction with naoch3 under conditions of williamson synthesis?
In a sample, 90.92% of the atoms are Ne-20, 0.26% of the atoms are Ne-21, and 8.82% of the atoms are Ne-22. Using a sample population of 10 000 neon atoms, calculate the average atomic mass of the neon.
show that the energy eigenvaules for the free particle E=h2k2/2m are consistent with the classical result E=1/2mv2
A sample of hydrogen gas occupies 15.8 L at STP. How many moles of the gas are present?
Calculate the heat change of the calorimeter (Qcal) for this process and report it below with the correct number of significant figures
A 120 pound woman working in an office consumes about 2200 kcal/day, whereas the same woman climbing a mountain needs 3400 kcal/day.
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