Explain what is the concentration of the cd in the soil

Assignment Help Physics
Reference no: EM13169146

What is the concentration of the Cd in the soil if the city of Des Moines adds 3 tons of compost/ acre-6 inches given the compost contains 50 ppm Cd. Assume there was no Cd in the soil originally. Show your calculations?

Reference no: EM13169146

Questions Cloud

Explain and sketch the ph curve for the titration : After completing the calculations below, sketch the pH curve for the titration of 25.0 mL of 0.200M solution of a weak acid, HA = (Ka = 6.0 x 10^-7), with 0.200M KOH. Indicate the pH at (a) the beginning of the titration
Scientists have recently shown that a sample of cocaine : Scientists have recently shown that a sample of cocaine can be traced to its country of origin by measuring the ration of carbon-13 to nitrogen-15 (both naturally occuring, stable nuclides) in the cocaine sample.
Compute the ratio of the number of hbr molecules : Calculate the ratio of the number of HBr molecules in state
Explain the wavenumber of the incident radiating : The wavenumber of the incident radiating in a Raman spectrometer is 20487 cm-1. What is the wavenumber of the scattered Stokes radiation
Explain what is the concentration of the cd in the soil : What is the concentration of the Cd in the soil if the city of Des Moines adds 3 tons of compost/ acre-6 inches given the compost contains 50 ppm Cd
Explain no change in volume or temperature : The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Explain the traditional colorimetric acid/base indicators : Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH and a lot of them are plant-derived compounds
Explain a saturated solution of strontium hydroxid : A saturated solution of strontium hydroxide is prepared in the excess solid Sr(OH)2 is allowed to settle. A 25.0mL aliquot of the saturated solution is withdrawn and transfer to an Erlenmeyer flask
Compute the direction of the average force : Calculate the direction of the average force on the ball during the contact . The magnitude of the average force is 4700N

Reviews

Write a Review

Physics Questions & Answers

  Find out the magnitude and direction of gravitational force

Four 1.8 kg masses are located at the corners of a square 0.20 m on each side. Find out the magnitude and direction of the gravitational force on a fifth 1.8 kg mass placed at the midpoint of the bottom side of the square.

  Find the area of each patch

(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.

  Find the velocity of the other piece after the explosion

A hand grenade is thrown with a speed of v0  30 m/s, and a 60 degree angle with x-axis, just prior to exploding. It breaks into two pieces of equal mass after the explosion. One piece has a final velocity of 40 m/s along x. Find the velocity of t..

  Evaluate the person’s velocity just before hitting the net

The acceleration of gravity is 9.81 m/s2 . Assuming that air resistance is simply a constant 93 N force on the person during the fall, evaluate the person’s velocity just before hitting the net.

  Determine the maximum speed and the earliest time

A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, the origin, at t = 0 and moves to the right. The amplitude of its motion is 1.70 cm and the frequency is 1.30 Hz.

  What''s the average speed in feet per hour

Needing help, secretary of the United States Department of Agriculture asked your teacher, "If a chicken and a half can lay an egg and a half in a day and a half, how many days will it takes three chickens to lay twenty eggs".

  Find the magnitude and direction of the object

The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2) , where is the time in seconds. Find the magnitude and direction of the object.

  What amplitude is needed for objects

A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.

  What is the boiling point of water on the z scale

A 80 kg football player stand at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.

  Find the magnitude and direction of the force

Find the magnitude and direction of the force on a proton at x = -3.2 m, y = 0.9 m.

  Illustrate what are the speed and direction of first ball

The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90° and sending it north at 1.51 m/s. Illustrate what are the speed and direction of the first ball after the collision?

  What is the frequency of vibration

A helicopter is ascending vertically with a speed of 5.45m/s. At a height of 141m above the Earth, a package is dropped from a window. How much time does it take for package to reach the ground.

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