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A 25.0-mL sample of 0.35 M HCOOH is titrated with 0.20 M KOH. What is the pH of the solution after 25.0 mL of KOH has been added to the acid? Ka = 1.77 × 10-4
The molar heat capacity of silver is 25.35 J/Mol * degrees celcius. How much energy would it take to raise the temperature of 11.7g of silver by 16.9 degrees celcius?
What volume of 5.00 M solution (in mL) of calcium nitrate is needed to prepare 500.0 mL of a 0.250 M solution of calcium nitrate
A natural food color ingredient company works in the extraction of an anthocyanin from purple cabbage. The solubility of this anthocyanin in methanol-water (85:15) and ethanol water (85:15) mixtures are same and the solubility is inversely proport..
To a 100 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.220 M NaBr, and 0.100 M NaCN. The mixture is diluted with deionized water to the mark and shaken vigorously.
When polymerization of a protein is complete but the protein is still completely linear, what is the highest level of structure that has been completed?
A gas weighing 33.62 g occupies a 10.00 liter flask at 27oc and 730 torr of pressure. what is the molar mass of the gas?
The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. What is the final temperature of methane once the system equilibriates?
be at the same concentration B) collide with suffiecient energy to break bonds C) bounce off the walls of the container
what is this equation and why is it central to the global warming theory: SO2(g) + H2O(l) H2SO3
Consider the following isomerization reactions of some simple sugars and values for their standard Gibbs free energy ΔG °:
ideal gas in 2.0 L what will be the volume of the gas if the pressure on the container is doubled while the temperature is reduced from 400 K to 200 K.
If you prepare a liter of 0.02 M acetic acid and 0.01 M sodium acetate, what will be the pH if the pKa of acetic acid is 4.76? b) If you add 1 ml of 5 M NaOH to the 1 liter above, what will be the new pH and the change in pH?
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