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When minerals in rocks combine with what in the air chemical weathering takes place?
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What is chemical weathering?
Chemical weathering is the phenomenon which contributes to the destroying of rocks with chemical agents; the chemicals may be natural or man made.Examples are water, carbon dioxide, organic acids, acid rains etc.
How can climate rates affect chemical weathering?
Humidity and temperature are the keys to chemical weathering (and to answer a previous poster, chemical weathering is a natural process, though human activity can affect it. Chemical weathering needs water, to act as a solvent and to transport corrosive ions so chemical weathering in arid climates, and in arctic climates (where water is frozen, and so not available) have little if any chemical weathering. Chemical processes are also (mostly) accelerated by higher temperature so the high humidity and high temperature of the tropics is the place where chemical weathering predominates . Contribution of humic acids from soils is also important, and the high rate of growth of plants in tropical climates is also a factor. While the solution of Limestones by acidified water is the most commonly quoted example, many minerals break down chemically, feldspar breaking down to clay minerals would be another important example.
Is erosion chemical weathering?
No. Erosion usually involves the transportation of material from one place to another place. Chemical weathering involves the reaction of natural Earth materials with acidic fluids, causing dissolution.
What does chemical weathering cause?
Chemical weathering is the dissolution, carbonation, oxidation, or hydrolysis of rock and mineral by chemical means only, mostly from reactions with water or the acids contained in rainwater. Other materials are formed in the process. Warm, tropical climates are ideal environments for chemical weathering to take place as the chemical reactions are quickened by the bountiful rain and warm temperatures.Limestone caves are largely the result of chemical weathering.
How can chemical weathering take place below Earth's surface?
The most important weathering agent is water.Water dissolve soluble materials transforming rocks.
What does minerals and rocks combine with?
Minerals in Rocks combine with Chemicals in the air,Chemical Weathering takes place.
What do minerals in rocks combine with in the air that makes chemical weathering take place?
Water
What takes place when minerals in rocks combine with air and chemical weathering?
The oxygen in the air combines with the minerals and the rocks change because the minerals are oxidizing. Oxidation can cause new chemical compounds such as iron oxide to form in the rocks.
A type of chemical weathering in which minerals react with dissolved oxygen in water is known as?
Physical weathering is a type of weathering in which minerals react with dissolved oxygen in water. This causes chemical changes to take place in the minerals.
What is chemical weathering?
Chemical weathering is the phenomenon which contributes to the destroying of rocks with chemical agents; the chemicals may be natural or man made.Examples are water, carbon dioxide, organic acids, acid rains etc.
How does chemical weathering break down rocks?
Chemical weathering often refers to the chemical reactions that take place between acidic rain or ground water and various rock types. It can also refer to the gradual oxidation of minerals by exposure to air and water. The chemical reaction usually results in the gradual dissolution of the rock.
How can climate rates affect chemical weathering?
Humidity and temperature are the keys to chemical weathering (and to answer a previous poster, chemical weathering is a natural process, though human activity can affect it. Chemical weathering needs water, to act as a solvent and to transport corrosive ions so chemical weathering in arid climates, and in arctic climates (where water is frozen, and so not available) have little if any chemical weathering. Chemical processes are also (mostly) accelerated by higher temperature so the high humidity and high temperature of the tropics is the place where chemical weathering predominates . Contribution of humic acids from soils is also important, and the high rate of growth of plants in tropical climates is also a factor. While the solution of Limestones by acidified water is the most commonly quoted example, many minerals break down chemically, feldspar breaking down to clay minerals would be another important example.
Is erosion chemical weathering?
No. Erosion usually involves the transportation of material from one place to another place. Chemical weathering involves the reaction of natural Earth materials with acidic fluids, causing dissolution.
What are the factors of weathering?
physical weathering refers to weathering that occurs because of brute force, while chemical weathering refers to weathering that take place because change in the molecular composition of the substance
Why isn't there much chemical weathering in Antarctica?
Antartica is a very cold place. Because chemical activities are very slow under low temperature hence chemical weathering is also not much.
What chemical weathering process occurs when chemicals combine with water in a chemical reaction to change the physical properties of the rock?
Since igneous rocks form at high temperatures, and under pressure conditions ranging from one to several atmospheres. However, the conditions at the Earth's surface are somewhat different than the conditions at which most rocks and minerals form. Therefore, the materials are no longer at equilibrium when they are exposed to surface conditions. Under these conditions, there is a tendency for all ordered systems to seek lower levels of energy or order. This is all done through weathering. Weathering - the disintegration and decomposition of rock at or near the surface of the earth. It affects the rocks in place and no transport is involved. This distinguishes weathering from erosion.Mechanical/physical weathering - physical disintegration of a rock into smaller fragments, each with the same properties as the original. Occurs mainly by temperature and pressure changes.Chemical weathering - process by which the internal structure of a mineral is altered by the addition or removal of elements. Change in phase (mineral type) and composition are due to the action of chemical agents. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluids. Smaller particle sizes weather by chemical means more rapidly than large particles due to an increase of surface area. Look at the diagram below and you will see that as the particles get smaller, the total surface area available for chemical weathering increases.
What does chemical weathering cause?
Chemical weathering is the dissolution, carbonation, oxidation, or hydrolysis of rock and mineral by chemical means only, mostly from reactions with water or the acids contained in rainwater. Other materials are formed in the process. Warm, tropical climates are ideal environments for chemical weathering to take place as the chemical reactions are quickened by the bountiful rain and warm temperatures.Limestone caves are largely the result of chemical weathering.
