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A solution of 75 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution when 17 mL of HNO3 is added to the solution? Kb for NH3 is 1.8 × 10-5.
methane flowing at 2 mol/min is adiabatically compressed from 300 K and 1 bar to 10 bar. What is the minimum work required? Use Departure Functions.
draw the valid lewis structures of polyatomic ions in bro4-. determine the number of resonance forms for each structure
Metals Covalently Bonded to Benzene, Specifically interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in metal benzene complexes.
How many mL of 5M NaCl are required to prepare 1500 mL of 0.002 M NaCl? What would be the concentration of the diluted solution from Problem expressed in mM, ?M, and nM
What is the molarity of a 1.304 L solution that is made from 14.80 g of NaCl?Answer in units of M.
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.
what mass of H2O is required to form 1.6 l of O2 at a temperature of 273 k and pressure of .936 atm
When a piece of metal is irradiated with UV radiation (wavelength = 162 nm), electrons are ejected with a kinetic energy of 5.96*10^-19 J. What is the work function of the metal? (in joules)
a sample of helium gas initially at 37 degrees celsius, 785 torr and 2.00L was heated to 58.0 degrees celcius while the volume expanded to 3.24L. What is the final pressure in atm.
Argon gas is 10 times denser than helium gas at the same temperature and pressure. Which gas is predicted to effuse faster. How much faster
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
application of boyles law.a gas occupying a volume of 725 ml at a pressure of 0.970 atm is allowed to expand at
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