This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Some soil colloids exhibit positive charges under highly acid conditions. To what are these charges ... (Read 372 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 22, 2018
Some soil colloids exhibit positive charges under highly acid conditions. To what are these charges likely due?
 
  A) protonation of some hydroxy groups by excess H+ ions
  B) substitution of lower valent atoms for higher valent atoms in the octahedral sheet
  C) the adsorption of Al3+ ions on the colloid
  D) increase in the level of H+ ions on the exchange complex
  E) the release of some OH- ions leaving an unsatisfied positive charge on the colloid

Question 2

The amount of both P and K fertilizer applied to U.S. farmland has increased dramatically since 1980 as American farmers attempt to maximize profits and meet record demands for food.
 
  Indicate whether the statement is true or false
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 22, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 50% of students answer this correctly


yoroshambo

  • Member
  • Posts: 566
Reply 2 on: Jul 22, 2018
Great answer, keep it coming :)

amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Effect of pH on drug absorption: (a) A weak acid such as aspirin (ASA) is in a nonionized form in an ... Effect of pH on drug absorption: (a) A weak acid such as aspirin (ASA) is in a nonionized form in an ...
Fate of the Amino acid carbon skeletons Fate of the Amino acid carbon skeletons
Soil texture "تركيبة التربة" Soil texture "تركيبة التربة"
Acid–Base Balance Acid–Base Balance
Nucleic acid hybridization Nucleic acid hybridization
Video: Inflammation Animation

For a complete list of videos, visit our video library