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Explain how many grams of Fe(NO3)3 • 9 H2O are needed to prepare 350.0mL of a 0.245M solution of Fe(NO3)3 • 9 H2O?
Calculate the proton motive force across the inner mitochondrial membrane at 25C when the electrical is 0.018V (inside negative) and the pH outside is 6.3 and the pH inside is 7.2
monatomic molecules adsorbed on a surfase are free to move on this surface and can be treated as a classical ideal two
an atom has double-fold degenerate ground level a non-degenerate electronically excited level at 3500 cm-1 and a
Place drying tube filled with CaCl2 on condenser. Heat to reflux at 190 C for 25 minutes then cool. Add 0.5mL tolulene and petroleum ether 0.5-0.75 mL until slight cloudiness remains. Reheat until clear and cool in ice bath. Collect product and wa..
How much energy is required to vaporize 158g of butane (C4H10) at its boiling point, if it has Hvap is 24.3kJ/mil
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
5.00 mL of a 7.5x10^-3 M solution of HNO3 is diluted to 200. mL. What is the pH of the resulting solution
The following data were recorded in the analysis of erythropoietin in a plasma sample, as mg/dL. Which of the results, if any, could be statistically rejected with 95% confidence?
the solubility of phthalic acid is 0.54 grams100 ml at 14oc and 18 grams100ml at 99oc.1 how many milliters of boiling
Propane and Methane are other hydrocarbon fuels. If a 1000 g sample of each of these compressed gases was taken on a camping trip which one would contain the larger number of moles. Show a calculation to support your answer.
Photosynthesis in plants generate sugars such as glucose (C6H12O6) and oxygen from carbon dioxide and water. how many kilograms of oxygen are produced from photosynthesis of 330 kg of carbon dioxide
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