A biochemist studying the break down of insecticide ddt, Ask an Expert

Academics

A biochemist studying the break down of insecticide DDT finds that it decomposes by a first-order reaction w/ a half-life of 12 years. How long does it take DDT in the soil sample to decompose from 2.40 x10^2ppbm to 10. ppbm (parts per billion by mass)

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M91076088

Have any Question?Write your Review or question?

Related Questions in Chemistry

Barium iodate baio32 forms an equilibrium with is ions in

Barium Iodate (Ba(IO3)2) forms an equilibrium with is ions in solution. How does adding additional barium to the solution affect the Ksp of barium iodate. Explain.

Cesium-137 has a half-life of 3017 years the first atomic

Cesium-137 has a half-life of 30.17 years. The first atomic explosion at Trinity Site in New Mexico in 1945 generated significant amounts of cesium-137. It has been 73 years since this detonation. What fraction of the ce ...

What is the mass of naoh present in grams given that a 100

What is the mass of NaOH present in grams, given that a 100. mL solution has a concentration of 0.125 M?

Calculate the number of moles of barium chloride in 427g of

Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?

Interpretation of reactions by ionic type equations aqueous

Interpretation of Reactions by Ionic Type Equations. Aqueous solutions of the following substances or their mixtures with water if they are only slightly soluble, are mixed. Write first the conventional equation , secon ...

Suppose that a student is determining the total base

Suppose that a student is determining the total base content of an antacid tablet by performing a back titration. He/she weighs out a .3012g portion of a tablet whose total weight is 1.5312g, dissolves this in exactly 40 ...

Use the simulator for the hydrogen atom Use the simulator for the hydrogen atom

Use the simulator for the hydrogen atom (https://phet.colorado.edu/en/simulation/hydrogen-atom) to estimate the energy needed to transfer one mole of electrons from the energy level n = 1 to the level n = 3.

A sample of cobalt ii chloride hydrate starts with a mass

A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula

Hydrogen peroxide was catalytically decomoposed and 753 ml

Hydrogen peroxide was catalytically decomoposed and 75.3 mL ofoxygen gas was collected over water at 25 degrees celsius and 742torr. What mass of oxygen was collected? (Pwater =24 torr at 25 degrees celsius)

Why does a hydrate exist only as a solid what

Why does a hydrate exist only as a solid? What characteristic of a hydrate is responsible for this phenomenon?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert