Compute the ph of a solution containing an amphetamine

Assignment Help Chemistry
Reference no: EM13663575

Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Compute the pH of a solution containing an amphetamine concentration of 219 mg/L.

Reference no: EM13663575

Questions Cloud

Explain when equilibrium is reached the concentration of h2 : Explain when equilibrium is reached, the concentration of H2 has decreased to 0.046 mol/L. what is the equilibrium constant, Kc, for the reaction
Compute delta h per mole of hcl and nh3 : A 100.mL sample of 0.200 M aqueous hydrochloric acid is added to 100.mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity excluding any water is 480.J/K. The subsequent reaction occurs when the two solutions are mixed.
Compute the minimum uncertainty in the position of a bullet : Compute the minimum Uncertainty in the position of a 22.3g Bullet traveling at 559 m/s if the uncertainty in its velocity is the subsequent: a) +/- 1 percent b) +/- 0.01 percent
Explain how much heat will be absorbed by a 165 kg iron : Explain how much heat will be absorbed by a 165 kg iron engine block as the temperature rise from 15.7 C to 95.7C the specific heat of iron is 0.489 J/g*C.
Compute the ph of a solution containing an amphetamine : Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Compute the pH of a solution containing an amphetamine concentration of 219 mg/L.
Explain what happens if the ksp for ag2cro4 : Potassium chromate is gradually added to a solution containing 0.20 M AgNO3 and 0.20 M Ba(NO3)2. Explain what happens if the Ksp for Ag2CrO4 is 1.1 × 10-12 as well as the Ksp of BaCrO4 is 1.2 × 10-10.
While a piece of metal is irradiated with uv radiation : While a piece of metal is irradiated with UV radiation, electrons are ejected with a kinetic energy of 5.96 x 10-19 J. Explain what is the work function of the metal
Compute the amount of work done on the system : IF a gas is compressed in a cylinder from a volume of 20 L to 2.0 L by a constant pressure of 10 atm. Compute the amount of work done on the system. (1 L*atm = 101.3 J)
Depict the product you expect from the reaction : Depict the product you expect from the reaction of (R)-2-bromooctane with CH3CO2-. Be sure to depict stereochemistry

Reviews

Write a Review

Chemistry Questions & Answers

  At room temperature 20circ rm c milk turns sour in about 63

at room temperature 20circ rm c milk turns sour in about 63 hours. in a refrigerator at 3circ rm c milk can be stored

  Define the complex has an analytical wavelength

1,10-Phenanthroline forms a bright red complex with iron(III). The complex has an analytical wavelength of 510 nm and has a high molar absorptivity. Hydroxylamine hydrochloride is added to keep the iron in a reduced +2 state

  The pressure of a sample of gas at 100 c increases from 700

the pressure of a sample of gas at 10.0 c increases from 700. mm hg to 900. mm hg. what is the new

  State how many times more acidic is the sauvignon blanc

Cabernet Sauvignon with a pH of 3.64. How many times more acidic is the Sauvignon Blanc? Please show work thoroughly and answer both questions.

  Define what is the lewis structure for the compound

An alkaline earth metal, M, combines with a halide, X. Will the resulting compound be ionic or covalent? Why? What is the Lewis structure for the compound

  Determine how many grams of solute would separate

Determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution of ammonium nitrate at 75 °C is cooled to fifteen degree Celsius?

  How to compute the work done by the gas against a vacuum

A gas expands from 360. mL to 971 mL at constant temperature. Calculate the work done (in joules) by the gas if it expands against a vacuum.

  What is the molarity of a solution containing 160 rm g of

what is the molarity of a solution containing 16.0 rm g of rm kcl in 324 rm ml of

  Calculate work if expansion occurs against a pressure

A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if the expansion occurs against a constant pressure of 5.00 atm.

  State equations describing freezing-point depression

Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.

  Explain line spectra as opposed to continuous spectra

Atoms, such as sodium, typically give line spectra, as opposed to continuous spectra. Given that such spectra are due to changes in the energies of electrons, explain, using a suitable diagram, what this tells you about the electronic structure of..

  Define the temperature dependence of the rate constant

We could find out more information about ths reaction by studying the temperature dependence of the rate constant, k. These same experiments could be carried out at a lower temperature (ice bath) and a second rate constant, k2 could be determined ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd