User Account

All Pages

State a net iconic equation for the reaction in solution

Assignment Help Chemistry
Reference no: EM13534094

Consider formic acid, HCOOH (Ka= 1.9 x 10^-4) and its conjugate base, HCOO^- with a Kb of 5.3 x 10^-11.

Write a net iconic equation for the reaction in aqueous solution between HCOOH and NaOHl, and calculate K.

Reference no: EM13534094

Questions Cloud

Determine the earnings per share for 2012 : Determine the earnings per share for 2012 and 2011 and does the change in the earnings per share from 2011 to 2012 indicate a favorable or an unfavorable trend?
Calculate the enthalpy and entropy and free energy : Given the following reaction, calculate the enthalpy, entropy and free energy changes for this reaction at 25 degrees C. Mg(s) + H2O(g) yeilds Mg(OH)2(s) + H2(g)
Determine the standard molar entropy for br : The standard molar entropy for Br2(g) is 245.46j/(mol*K) at 25 degrees Celsius. Given that delta S=104.58J/K for the dissociation of one mole of Br2(g) into Br(g) at 25 degrees, find the standard molar entropy for Br(g) at 25 degrees Celsius.
Evaluate how much energy is given off by the decay : Pu-239 (nuclear mass of 239.0006 amu) decays by alpha emission to U-235 (nuclear mass of 234.9934). Calculate how much energy is given off by the decay of 2.00 mg of Pu-239.
State a net iconic equation for the reaction in solution : Consider formic acid, HCOOH (Ka= 1.9 x 10^-4) and its conjugate base, HCOO^- with a Kb of 5.3 x 10^-11. Write a net iconic equation for the reaction in aqueous solution between HCOOH and NaOHl, and calculate K.
What will her actual altimeter margin be in the worst case : A private pilot correctly sets her altimeter to reflect a reported altimeter setting of 1012mb at her departure airport. If she fails to update her altimeter, what will her actual altimeter margin be in the worst case as she crosses the highest ter..
Explain the lowest energy to the highest energy : Use the following diagram to write the sequence of orbitals from the lowest energy to the highest energy.
What is the uncompressed volume of the air : A typical scuba tank has a volume V of 10 liters. When fully charged, it contains compressed air at a pressure of 200 bars, or 2.0 x 10^7 Pa. What is the uncompressed volume of the air
Transactions summarized in the trial balance : The preferred stock was issued in exchange for the land and buildings - Journalize the two entries to record the transactions summarized in the trial balance.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the concentration of co2 in the air

which caused the CO2 in the sample to precipitate as BaCO3. The excess base was back-titrated to a phenolphthalein end point with 23.6ml of .0108 M HCl. What is the concentration of CO2 in the air in parts per million? use 1.98g/L for the density ..

  How much heat energy is required to raise the temperature

The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed to raise the temperature of 2.69 kg of this oil from 23 °C to 191 °C

  Explain what is the deltah for the dissolution

When a 4.25g sample of solid ammonium nitrate dissolves in 60.00g of water in another insulating calorimeter the temperature drops from 21.0450C to 16.8700C. What is the (delta)H for the dissolution

  Determine the density of the object

Determine what ventilation rate (minimum) in m3/hr will be essential to keep the carbon monoxide concentration in his garage from the dangerous level of 1600 ppmv? What is your answer in this case?

  Find out the mole fraction of silane

gaseous mixture of 2.34 kg of silane, Sih4 and 55.4 kg of Argon. Determine the mole fraction of silane

  Helium-oxygen mixtures are used by divers to avoid the

helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory

  A compound with the empirical formula ch2o was found to

a compound with the empirical formula ch2o was found to have a molar mass between 89 and 91 g. what is the molecular

  Explain what is the enthalpy change for each reactions

What is the enthalpy change for each of the following reactions- 1. Ag+ (aq) + Li(s) -->Ag(s) +Li+(aq) 2. Fe(s) + 2Na+(aq) --> Fe2+(aq) + 2Na(s) 3. 2K(s) + 2H2O(l) --> 2KOH(aq) + H2(g)

  Compute the molarity of hydrogen peroxide

Calculate the molarity of hydrogen peroxide if 28.75 mL of hydrogen peroxide produced 695 mL of oxygen gas at 0.950 atm and 315 K?

  Explain what is the threshold frequency

Here are some data collected on a sample of cesium exposed to various energies of light. Light energy ({\rm eV}) Electron emitted. Electron KE ({\rm eV}) 3.87 no - 3.88 no - 3.89 yes 0 3.90 yes 0.01 3.91 yes 0.02 Part A What is the threshold frequ..

  State what is the numerical value of the compression factor

Derive an expression for the compression factor of a gas that obeys the equation of state p(V-nb)=nRT, where b and R are constants. If the pressure and temperature are such that Vm=10b, what is the numerical value of the compression factor?

  Explain what is the minimum mass of nahco3

If 26mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? 2NaHCO3+H2SO4=Na2SO4+2H2O+2CO2

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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