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Calculate the volume of oxygen at room temperature and pressure needed to burn 3kg of carbon to produce carbon dioxide
Each hemoglobin combine with 4 O2. If 1.02 g of hemoglobin combine with 1.6 ml of O2 at 37degree c and 724torr. What is the molar mass of Hemoglobin
C.A. Yates was given a 50.0mL sample of the weak acid. The known concentration of the weak acid is .25M. After preparing a buret he delivers 25.0mL of the weak acid into a 100mL Erlenmyer flask. He then titrated this solution using a standardized ..
organic hydrogenation reactions in which h2 hydrogenand an unsaturated organic compound mix are use in the fuel food
if the pressure of chloroform vapor in a flask is 154 mm hg at 25.0degc and the density of the vapor is 1.25 gl what is
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
In the laboratory you are asked to make a 0.179 m magnesium acetate solution using 400 grams of water. How many grams of magnesium acetate should you add
Calculate the solubility (in grams per 1.00*10^2mL of solution) of magnesium hydroxide in a solution buffered at pH = 12.S1= 1.2*10^-8 g/(1.00*10^2mL)
Cr2 O72- (aq) + Cu(s)→Cr3+ (aq) + Cu2+ Balance the equation in acidic solution and find out how much of a 0.850 M K2 Cr2 O7 solution is required to completely dissolve 5.25 g of Cu.
A sample of a liquid from an unlabeled bottle was subjected for analysis: MS showed that M+ has an m/z of 89 and IR displayed bands at 2995-2840 cm-1, and 1562, and 1425. Identify the functional group in the molecule and provide 2 possible structu..
A dilute electrolyte solution is prepared by dissolving iron(III) chloride in water. It is found to have a freezing point
add the angular wave function for a 2s electron of carbon to that of a 2py electron of the same carbon atom. subtract
If we assume that the volume change is due entirely to the density change (that is, neglect thermal expansion of the ice/water), what is the difference between the enthalpy change and the energy change during the process? Is this a significant dif..
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