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Calculate the standard cell potential and equilibrium constant at 25 C for the cell reaction in a direct methanol fuel cell.
2CH3OH (l) + 3O2 (g) --> 2CO2 (g) + 4H2O (l)
1.) Calculate the standard potential.
2.) Calculate equilbrium constant.
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
When the flask was re-filled with an unknown gas, the same number of moles leaked out in 2.84 hours. Identify the unkown gas.
Draw a Lewis structure for each of the following molecules, and then use the VSEPR theory to predict the molecular deometry of each.
What is the theoretical yield of bromobenzene in this reaction when 33.0 g of benzene reacts with 71.5 g of bromine?
Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?
Ascorbic acid (Vitamin C, H2C6H6O6) is a diprotic acid. In a laboratory exercise, a vitamin C tablet was analyzed by titration using 0.125 M NaOH(aq). On the average, it required 29.5 mL of the base to neutralize the acid in the one tablet. How ma..
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
what is the K value for compound Z in the biphasic system, 2) how much do you remove in each individual extraction
Which is predicted to be the most ionic substance? a) NiS b) CuI c) CoO d) NaBr
What is the rate constant for the reverse reaction at the same temperature?
How many joules are released when 6.94 moles of water cools from 100.0 degrees Celsius to 0.0 degrees Celsius?
Students at the University of North Texas and the University of Washington built a car propelled by compressed nitrogen gas. The gas was obtained by boiling liquid nitrogen stored in a 195.0 L tank.
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