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Determine the emf of a fuel cell that oxidizes hydrogen according to the reaction:
2H2 (g) + O2 (g) --> 2H2O (l)
under the following conditions: pH = 0, PH2 = 1 atm, PO2 = 0.2 atm.
Note that in some cases, the "product" may be the result of a proton transfer reaction. Do not assume that an aqueous workup (H3O+) is performed unless it is specified
Imagine that you have two iron blocks, one with a mass 226 g at a temperature of 46.0 oC, and another with a mass 380 g at a temperature of 134 oC. The two blocks are brought into contact with each other in an insulated container. What is the fina..
A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ?C. What is the new pressure of the gas in Pa?
How many atomsof carbon are present in 34.5 grams of caffeine?
How many moles of PCl_5 can be produced from 21.0 g of P_4 and excess Cl_2?
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
How many grams of ethylene glycol (automobile antifreeze, C2H6O2) dissolved in 3.55kg of water is needed to lower the freezing point
which of the following reduces the solubility of calcium fluoride?a presence of uncommon ions such as na and cl-b
How much heat will be released if 1M and 100ml of NAOH solution reacted with 1M and 100ml of HCl solution
Calculate the heat of the reaction. (Use the equation Q = s . m .?T where s is the specific heat, m is the mass of solution and ?T is the change in temperature)
when atoms lose more than one electron, the ionization energy to remove the second electron is always more than the ionization energy to remove the first.
a certain first-order reaction a to products has a rate constant of 4.20times10-3 at 45 degrees celcius. how many
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