Explain the value of ka for nitrous acid

Assignment Help Chemistry
Reference no: EM13652627

The value of Ka for nitrous acid (HNO2) at 25C is 4.5*10^-4. What is the value of deltaG when [H+]= 5.9*10^-2 M, [NO2^-]= 6.1*10^-4 M, and [HNO2]= 0.19 M?

Reference no: EM13652627

Questions Cloud

Demonstrate a commitment to critical thinking : Write an argument essay that demonstrate a commitment to critical thinking, research, and investigation.
Define how many grams of fe2o3 are formed : Iron (III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed when 16.7g of Fe reacts completely with oxygen
Explain what is the minimum frequency of light : 419 kJ of energy is required to ionoze potassium. what is the minimum frequency of light required to ionize potassium
Define what is the mass of the silver block : A silver block, initially at 56.2Celcius, is submerged into 100.0g of water at 25.2Celcius, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.5Celcius. What is the mass of the silver block
Explain the value of ka for nitrous acid : The value of Ka for nitrous acid (HNO2) at 25C is 4.5*10^-4. What is the value of deltaG when [H+]= 5.9*10^-2 M, [NO2^-]= 6.1*10^-4 M, and [HNO2]= 0.19 M
How to calculate ksp for mgf2 : A saturated solution of magnesium fluoride was prepared by dissolving solid MgF2 in water. The concentration of Mg2+ ion in the solution was found to be 1.18 *10^-3 M. Calculate Ksp for MgF2. Express your answer numerically.
Explain phosphorous acid is a diprotic oxyacid : Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture. Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq).
Explain a rate constant for radioactive decay : Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay of k=1.6 x 10^-3 yr^-1. By contrast, iodine-125, which is used to test for thyroid functioning, has a rate constant for radioactive decayof k=.oo1 d..
A deep-space probe moves away from earth : A deep-space probe moves away from Earth with a speed of 0.74c. An antenna on the probe requires 3.0 s, in probe time, to rotate through 1.0 rev. How much time is required for 1.0 rev according to an observer on Earth?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the number of electrons transferred

Calculate the number of electrons transferred in the following reaction when it is correctly balanced. C5H8O(g) + O2(g)---> CO2(g) + H2O(l)

  Compute the weight of benzene codistilled

Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during steam distillation.

  The chloride of an unknown metal is believed to have the

the chloride of an unknown metal is believed to have the formula mcl 3. a 1.891g g sample of the compound is found

  Compute the ph volumes of titrant have been added

Consider the titration of 30.0 ml of 0.035 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added.

  Suppose that there are no restrictions on number of taxi

in order to ingratiate himself with voters the mayor of gotham city decides to lower the price of taxi rides. assume

  Explain what mix into the solution for radium compound

In 1895 Marie Curie knew that radium had the same solubility properties as others in its periodic table column. To precipitate this compound from a soluble radium salt (the chloride) what should she mix into the solution to yield a radium compound..

  What is the molarity of the h2so4 solution

A solution of 0.312 M KOH is used to titrate 15.0 mL of a H2SO4 solution. write the balanced chemical equation. what is the molarity of the H2SO4 solution if 28.2 ml of the KOH solution is required?

  How much will the ph change

A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 it M HCl solution to the beaker. How much will the..

  Compute the maximum work for the cell

Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V: 2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O

  Evaluate the ratio of the ionization energies of h and d

Calculate the mass of the deuteron given that the first line in the lyman series of H lies at 82,259.098 cm-1, whereas that of D lies at 82,281.476 cm-1 , and calculate the ratio of the ionization energies of H and D.

  Calculate the amount of heat required

Calculate the amount of heat required to raise the temperature of 72 g of H2O from 23 degrees celcius to 115 degrees celcius

  Explain a particular enzyme catalyzed reaction

A particular enzyme catalyzed reaction was followed and data collected as indicated below. Using the data, determine the Michaelis constant and the maximum velocity of the reaction.

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