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What are two effects of chemical weathering?
Chemical weathering can alter the mineral composition of rocks, leading to the formation of new minerals. It can also weaken the structure of rocks, making them more susceptible to physical weathering processes like erosion and cracking.
How does chemical weathering differ from machanical weathering?
Chemical weathering involves the breakdown of rocks through chemical processes such as oxidation or hydrolysis, which alter the composition of the rocks. Mechanical weathering, on the other hand, involves the physical breakdown of rocks into smaller pieces through processes like frost wedging or roots growing into cracks.
Is diluting A physical or chemical change?
Diluting a substance is a physical change because it does not alter the chemical composition of the substance. It simply involves mixing the substance with another (usually a solvent) to decrease its concentration.
How does chemical weathering increase?
Chemical weathering increases through processes such as oxidation, hydrolysis, and solution which break down rocks and minerals into smaller particles. Factors such as temperature, water availability, and the presence of acids can accelerate chemical weathering rates. Over time, these processes can alter the composition and structure of rocks and minerals.
Is it true a physical change never alters the form or appearance of a substance?
No, a physical change can alter the form or appearance of a substance without changing its chemical composition. For example, melting ice changes its form from solid to liquid without altering its chemical composition.
Chemicals can alter the composition of a substance and aid in weathering it.?
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What is weathering that does not alter the chemical composition of the rock called?
The type of weathering that does not alter the chemical composition of the rock is called physical weathering. The acid weathering usually alter the chemical composition of a rock.
What properties refer to a substance's ability to undergo changes that alter its composition and identity?
Chemical properties refer to a substance's ability to undergo changes that alter its composition and identity. These changes often involve the breaking and forming of chemical bonds within the substance.
What kind of weathering does not alter the chemical composition of the rock?
mechanical weathering (by wind or water or perhaps tenacious plant roots or human activities)
What type of weathering that does not change the mineral composition of a rock?
Physical weathering, such as frost wedging or root wedging, does not alter the mineral composition of a rock. These processes break down rocks into smaller pieces without changing their chemical makeup.
Which following features would be most affected by weathering?
Features such as rocks and minerals, soil composition, and landforms are most affected by weathering processes. Weathering can break down rocks and minerals, alter soil composition, and reshape landforms over time.
What is an agent of mechemical weathering?
An agent of chemical weathering is a substance that breaks down rocks and minerals through chemical reactions. Common agents include water, oxygen, and acidic substances like carbonic acid. These agents can alter the composition and structure of rocks over time.
What happens to the atom or molecules of a substance if it melts?
Nothing. Melting is a physical change and does not alter the chemical composition of a substance.
What is the principal difference between weathering and chemical weathering?
The principal difference between weathering and chemical weathering is that weathering involves physical processes that break down rocks into smaller pieces without changing their chemical composition, while chemical weathering involves chemical reactions that alter the mineral composition of rocks.
What are Chemicals that can alter consciousness perception mood and behavior called?
Chemical substance that alter perceptions and mood are called Psychoactive Drugs.
What kind of weathering changes the composition of a rock?
Chemical weathering changes the composition of a rock by breaking down minerals through chemical reactions with water, oxygen, acids, or other substances. This process can alter the rock's mineral composition, leading to the formation of new minerals or the dissolution of certain minerals.
What are two effects of chemical weathering?
Chemical weathering can alter the mineral composition of rocks, leading to the formation of new minerals. It can also weaken the structure of rocks, making them more susceptible to physical weathering processes like erosion and cracking.
