What causes chemical weathering?

Answers

Answer 1

Answer: rain water and air reacting with rocks causes chemical weathering...

Answer 2

Answer: hemical weathering is the process by which a material breaks down into its component elements through the action of a chemical agent. This type of weathering requires precise temperature conditions and the presence of a chemically-laden fluid. Substances capable of causing chemical weathering include water and acids.There are three types of chemical weathering: oxidation, dissolution and hydrolysis. Oxidation is the formation of rust on iron caused by prolonged contact with water. Dissolution involves acidic water and porous minerals, such as limestone and other soft minerals. This type of chemical weathering frequently occurs on gravestones, stone statues and building blocks made from porous rocks. The third type of chemical weathering is called hydrolysis. Like dissolution, hydrolysis involves the interaction of acidic water and minerals.Several secondary factors also promote chemical weathering. Minerals with small particle sizes are much more susceptible to this type of weathering as compared to those with large particles. The ambient climate and the passage of time also influence the scope and extent of chemical weathering. Natural organisms, such as bacteria, algae and fungi, are important catalysts in this type of weathering. Those that produce acid as a digestive by-product have a particularly large impact on the process.

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How do you count the total number of atoms present on one side of a chemical equation?
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The number of energy levels filled in an atom is determined by the number of

Answers

Answer:

The number of energy levels filled in an atom is determined by the number of orbitals.

Explanation:

The highest numbers of the electrons in a given energy level relies on the presence of number of orbitals. In one orbital it contains two electrons. Electron that are present in the outer energy level of atom are known as the valence electrons. Which remains as the determining factor of the reactivity of the element. Lights are being emitted when an electron comes from higher state to the lower state.

Which of the following is an example of a compound C2, O2, He2, CO2?

Answers

Carbon dioxide is an example of a compound (CO2)

CO2 and He2 is an example of a compound. Anything that has only one type of atom is a molecule, and anything having more than one type of atom is a compound.

Glassy and metallic are terms that describe what mineral property? A.luster B.color C.shape D.hardness

Answers

The answer is A.luster

The correct answer is option A. Luster

Hope this helps! :)

How do you find cumulative effect of two or more forces acting on an object

Answers

The cumulative effect, or the resultant, of two or more forces is obtained by resolving the forces. This is done by addition if the forces act in the same direction through the same point and by subtraction if the forces act in opposite direcitons through the same point. However, if the forces are placed at an angle to one another, they must be resolved into their consituent x and y (and z if necessary) components and then their resultant is calculated.

Answer:

Cumulative effect of two or more force can be found using Vector sum of all forces

Explanation:

Force is a vector quantity and in order to find the resultant of two or more forces we have to use the concept of vector addition

here we know that vector addition rule is given as

$F_(net) = √(F_1^2 + F_2^2 + 2F_1F_2cos\theta)$

here we know that

$\theta$ = angle between two forces

so using this equation we can find the cumulative effect of two forces which are inclined at an angle with respect to each other

Why do we see the color black?

Answers

We see black colour in absence of light. Black colour absoorbs all the light, ( just opposite of white) and hence we do not see any colour. Black colour is also related to darkness.

Kim is a forensic scientist. She has been asked to identify a chemical compound that was found at the scene of a crime. Which of these pairs of properties would be most helpful in identifying the unknown compound?A) color, mass

B) boiling point, volume

C) flammability, volume

D) melting point, reactivity with water

Plz answer this question quickly, it’s really important

Answers

D, melting point and reactivity/solubility in water!

I believe the correct answer is D. melting point, reactivity with water.

Other Questions

5. Limestone typically doesn't accumulate in the ocean at depths below 4,000 meters because below that depth, calcite is _______.6. Based on the principle of original horizontality, geologists conclude that layers of sedimentary rock that have been tilted must have been subjected to _______.7. Based on the principle of inclusions, the cobbles in conglomerate must have been formed _______ the conglomerate.8. Geologists use the principle of _______ to justify using fossils in a sample of sedimentary rock to determine the rock’s age.9. Partings between adjacent beds of sedimentary rock may represent periods of _______, which could range from a few decades to a few centuries.10. Some graded beds, especially those resulting from deposition by a fast-moving debris flow, are reversed, which means _______ material is at the top instead of at the bottom.

Besides bones, the skeleton also contains connective tissues called the ???

Which statement is the BEST definition of an atom? A) Anything that has mass and occupies space. B) The smallest particle that has the properties of an element. C) A substance that cannot be broken down chemically into simpler substances. Eliminate D) The smallest unit of a substance that exhibits all of the properties characteristic of that substance.

Which electromagnetic waves emitted from the sun produce a heating effect?