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 128 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
Excellent

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Amino acid sequence of bovine insulin Amino acid sequence of bovine insulin
Saturated and Unsaturated Fatty Acid Saturated and Unsaturated Fatty Acid
Diesel combustion occurs when fuel is injected into the hot, highly compressed air in the cylinder. Diesel combustion occurs when fuel is injected into the hot, highly compressed air in the cylinder.
A general scheme for adding one amino acid in solid-phase peptide synthesis A general scheme for adding one amino acid in solid-phase peptide synthesis
Soil is a crucial part of the nitrogen cycle Soil is a crucial part of the nitrogen cycle
A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ... A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ...
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

For a complete list of videos, visit our video library