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Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows, with attached protons in parentheses: 14(2), 34.3(2), 50.0(1).
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
A balloon is filled to a volume of 5.0 102 mL at a temperature of 29.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.368 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below
As a technician in a large pharmaceutical research firm, you need to produce 400 mL of 1.00 M potassium phosphate buffer solution of pH = 7.29. The pKa of H_2PO_4^- is 7.21.
How many theoretical plates does the column have What is the plate height (in mm) of the column if the column is 11.7 cm long
At pH 6.00 and pE 2.10, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
determin the rate for the reaction. (B) how long would it take for 25% of the reactant to decompose?
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations
Nitrogen (80 kPa), oxygen (21.0 kPa), carbon dioxide (0.03 kPa), and water vapor (2.0 kPa) are the usual atmospheric components. What is the total atmospheric pressure in kPa.
By looking at the structure of tetrabutylammonium bromide, explain how this reagent can carry ions from the aqueous phase into the organic phase.
A certain lead-sulfur compound contains 86.59% Pb by mass and the remainder is sulfur. What is the empirical formula of the compound
Discuss the similarities and differences between competitive and noncompetitive enzyme inhibition.
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