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Consider a hydrogen fuel cell (hydrogen and oxygen reacting to produce water). The potential for the overall reaction is 1.23 V. Using the Nersnst Eqaution [E=E^0 + (RT/nF)In(a1/a2) ] in terms of teh partial pressures of the components (specify assumptions). Also, calculate the Gibbs Free energy of the complete rxn.
What is the percent yield of ammonia when 150.0 g of nitrogen reacts with 32.1 g of hydrogen if the actual yield is 174 grams?
What impact does the presence of moisture in the unknown
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
How many Valence electrons, bonding electrons, and lone pair electrons are present
After obtaining a preliminary melting point range of 124-130 degrees C for an unknown, you identify it as benzamide. Running a mixed melting point determination with benzamide affords a melting point range of 117-125 degrees C
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
Is there an easy way to get a quick and dirty comparative coefficient of friction for water vs a solution of sodium bicarbonate and water? I only have the most basic of chemistry skills. Is there a chart you could point me to?
a ball is thrown verticall downward with an initial speed 11.3 m from a roof of a building 39.0m above the ground .how long doest it take to reach the ground? what is its speed of impact?
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
Determine the amount of work that must be supplied to the compressor and the temperature of the gas leaving the compressor b) Determine the heat load on the heat exchanger
An aqueous antifreeze solution is 48.5% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.062 g/cm3. Calculate the molality, molarity and mole fraction of ethylene glycol
To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?
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