Compute ka for the acid and use e notation

Assignment Help Chemistry
Reference no: EM13227732

A 0.451 M solution of a weak acid, HA, has a pH of 4.01. Calculate Ka for the acid. Use E notation and 3 significant figures.

Reference no: EM13227732

Questions Cloud

What is your break-even point in dollars : What is your time utilization based on the above? If you charge $3 per 6 pretzels and fixed costs are $10 per day, what is your break-even point in dollars?
Explain what is the intensity of emerging light : a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
How technology and the changing demands of customers : demonstrate its effectiveness. Evaluate any new product in this marketplace and the potential impact to Netflix market share.
What is the corresponding incident photon flux : A solar cell is uniformly illuminated by monochromatic light of 700nm with power density of 20 mW/cm^2. What is the corresponding incident photon flux What is the upper limit to Jsc if the bandgap is 1.4eV
Compute ka for the acid and use e notation : A 0.451 M solution of a weak acid, HA, has a pH of 4.01. Calculate Ka for the acid. Use E notation and 3 significant figures.
Explain the ka of phenol : The Ka of phenol, C6H5OH, is 1.00 x 10-10. What is [OH-] in a 0.874 M solution of phenol? Use E notation and 3 significant figures.
Relationships between pairs of tables and enforce integrity : Create the same chart using Access, and save it as the same name Q2CustomersPerSize in the database - Create relationships between pairs of tables and enforce referential integrity
Calculate fill factor and maximum power output : A solar cell at 300K has an open circuit voltage of 0.55V and short circuit current of 2A with ideality factor of 1.3 Calculate Fill Factor and maximum power output under the following conditions: 1. Series resistance 0.08 Ohm, shunt resistance very ..
What is device conversion efficiency at maximum power point : Isc of 3.3A under input power Pinput=1kW/m^2. Assuming diffusion dominated behavior and no parasitic resistance elements, what is the device conversion efficiency at the maximum power point

Reviews

Write a Review

Chemistry Questions & Answers

  How much energy (in joules) is required

How much energy (in Joules) is required to heat 14.89 g of water from 11.9 oC to 49.2 oC ? Use 4.184 J/goC as the specific heat capacity of water.

  State the balanced formula unit equation for the reaction

Write the balanced formula unit equation for the reaction of tetraphosphorus decoxide, P4O10, with water to form an acid

  Explain gasoline is composed primarily of hydrocarbons

Gasoline is composed primarily of hydrocarbons, including many with eight carbon atoms, called octanes. One of the cleanest-burning octanes is a compound called 2,3,4-trimethylpentane, which has the structural formula shown in the figure.

  Write lewis structures for reactants

Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.

  What is the pressure in a gas container

What is the pressure in a gas container that is connected to an open end u tube manometer if the pressure of the atmosphere is 742 torr and the level of mercury in the arm

  How many grams of o2 will be required

How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.

  State an organic material is extracted from water

An organic material is extracted from water. The separatory funnel containins 10 mL of ether and 20 mL of water. Considering that the K (partition coefficient) value is 3.2,

  Compute the plate height for a long column

Calculate the plate height (H) for a 16 cm-long column with a stationary phase particle diameter

  Calculate the molar enthalpy of vaporization of bromine

The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.

  Calculate the mass of h2o that should form

C2H6+O2 ---> CO2+H2O Calculate the mass of H2O that should form if 1.5 g of C2H6 is combusted in the presence of 2.5 g of O2.

  Explain what amount of the ultimate carbonaceous bod

What amount of the ultimate carbonaceous BOD is remaining after this time?

  Find what temperature in k is the reaction at equilibrium

Under certain condition for the reaction A ? B, ?H = 14.2 kJ and ?S = 27 J/K. At what temperature in K is the reaction at equilibrium?

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