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Compute pH of a solution that is 0.210 M in nitrous acid (HNO2) and 0.290M in Potassium nitrate(KNO2). Define the acid dissociation constant of nitrous acid is 4.5x10-4
A sample of 88.0 g CO2 is held at 291 K in a 50.0 L container. What is the pressure this gas exerts on the container. Express your answer in kPa. Enter only a numerical value
What was the pH at the end of the reaction? e) What would the final pH be in the absence of any buffer?
The average C--H bond energy is 415 kJ/mol. Use the following data to calculate the average C--H bond energy in ethane (C2H6; C--C bond), in ethene (C2H4; C=C bond), and in ethyne (C2H2; C--C triple bond).
how many grams of NaOH should be used to make 200 mL of a 0.24M solution of NaOH starting with a .400M HCL solution
Give the stereochemistry (chirality) of the product when Z-3-methyl-3-hexene is treated with BH3THF followed by basic H2O2 and then H+
What is the concentration of hydroxide ions in pure water at 30 degrees, if Kw at this temperature is 1.47 x 10^-14
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
reaction of aqueous solutions of barium chloride and sodium sulfate results in the formation of a percipitate of barium
a. the original sample is not pure but is contaminated with athermally stable compound. will the reported mole ratio of
While drawing the stereoisomers for 1-bromo-2-chlorocyclohexane, in the Trans pair does it matter if the H (on the C with the Br) and Cl (on the C with the H) are on the wedges or else does it matter if the Br and H instead of the H and Cl, be dra..
What is the molarity of a solution made by dissolving 2.355g of sulfuric acid in water and diluting to a final volume of 50.0 mL
Write down the reactions that occurred in each test tube if no reaction occurred then put NR on the product side Test tube.
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