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What volume of distilled water do you need to add to dilute 1 mL of a 100 mM Tris-HCl buffer solution to a concentration of 1 mM?
At 700.°C, the total pressure of the system is found to be 3.63 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
A 0.100M (as prepared) solution of dichloroacetic acid has an observed [H30+]= .043 M. What are the equilibrium concentrations and the value of the equilibrium constant for the reaction shown?
You may use expanded, condensed, or line structures, provided they are neat and legible. If you could not identify one of your components, then pick an appropriate component from the list of unknowns.
A mixture of 0.10 mol of NO(g), 0.05 mol of H2(g), and 0.10 mol of H2O(g) is placed in a 1.0-L vessel at 300K?
If an air bubble was initially in the buret tip but was dispensed during the back titration of the unreacted HCl. As a result of this technique error
What is the molality if a solution in which 15 g of I2 is dissolved in 500. g of alcohol?
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
How many molecules are in 22.41 L of an ideal gas at STP? Remember the answer is supposed to be in molecules
Hydrocyanic acid is a weak acid with Ka = 4.9 x 10-10. What is the pH of a 0.4480 M hydrocyanic solution?
Why do carboxylic acids (-COOH) compounds have higher boiling points than simple alkanes of the same molecular weight
What would the appropriate substrate concentration be? b) At what substrate concentration would you expect 30% of the enzyme molecules to have substrate bound?
A 0.440 g sample of butyric acid (an organic acid consisting of C, H, and O atoms) is combusted in excess oxygen, yielding 0.882 g CO2 and 0.360 g H2O.
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