Compute the pka and pkb

Assignment Help Chemistry
Reference no: EM13227526

One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation). a. pH = 8.7 for 0.010 M RNH2 (weak base)

Reference no: EM13227526

Questions Cloud

What is role of miller in high frequency amplifier design : 1. What is Miller capacitance What is its role in High frequency amplifier design Label all the involved variables in the Figure below and derive an expression for the Miller effect capacitances (input and output).
Explain energy in milk is converted to mechanical work : A 51 kg person drinks 400. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 15% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
Explain the pressures for global integration of activities : Evaluate how you might apply these two Schools of Thought to KFC in 2013. Explain and explore which school of thought you prefer, and why?
Describe differences between mosfet and bjt : Describe your understanding of the similarity and differences between MOSFET and BJT, in terms of 1) terminal behavior, 2) i-v characteristics, 3) amplifier configuration, 4) small-signal equivalent models and 5) biasing technique.
Compute the pka and pkb : One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation). a. pH = 8.7 for 0.010 M RNH2 (weak base)
Calculate the power dissipated in the device : An InP TED is 0.5 pm long with a cross sectional area of 10" cm2 and is operated in the transit-time mode.(a) Find the minimum electron density no required for transit-time mode.
Find the junction temperature rise above the room temp : If the breakdown voltage increases with temperature at a rate of 40 mV/"C, find the break-down voltage of the diode at room temperature, assuming that the space-charge resistance is 10 C& independent of temperature.
Explain the concentration of the unknown h3po4 solution : A 25.00-mL sample of an unknown H3PO4 solution is titrated with a 0.100 M NaOH solution. The equivalence point is reached when 52.58 mL of NaOH solution is added. What is the concentration of the unknown H3PO4 solution? The neutralization reaction..
Define what aspect of chemicals is changed during a reaction : What type of energy, kinetic or potential, is contained in chemicals? What aspect of chemicals is changed during a chemical reaction such that reactions relate to chemical energy?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the final volume of the balloon

A balloon is filled to a volume of 2.0 102 mL at a temperature of 31.0°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?

  State what is the final temperature of the water

the molar heat capacities of iron and gold are 25.19J/(mol*degrees celsius) and 25.41 J/(mol*degrees celsius), respectively. what is the final temperature of the water and pieces of metal?

  Explain sodium ions and chloride ions

A sample of seawater consists of water, sodium ions, chloride ions, and several other dissolved salts. These ions and salts are evenly distributed throughout the water. Which term or terms could be used to describe this sample of seawater?

  Calculate the ph of a 0.50 m aqueous solution of nh3

Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.

  Calculate the equilibrium bond length

how would i calculate the equilibrium bond length from knowing Bo B1 the equilibrium rotational constant and the vi-rot coupling constant?

  What is the final volume

A gas occupying a volume of 695 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?

  Explain the earodynamics characteristics of margarine

explain the earodynamics characteristics of margarine firmness and coefficient of friction important in agricultural engineering research and development.

  State ethanol containing substantial amount of water

Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol

  What is the acid dissociation constant for this acid

A 0.1000M solution of ethanoic acid (HC2H3O2) is only partially ionized so that [H+]=2.25X10^-3M. What is the acid dissociation constant for this acid?

  A very crude model of the buckminsterfullerene molecule

A very crude model of the buckminsterfullerene molecule (C60) is to treat it as a collection of electrons in a cube with sides of length equal to the mean diameter of the molecule (0.7nm)

  Explain what is the difference between kc and qc

What is the difference between Kc and Qc? How can you use Kc and Qc to predict the direction of equilibrium mixture to move?

  Describe how would your result be affected

Describe how would your result be affected if you mistook a negative Starch-iodide test and stopped adding the NaOCl solution too early?

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