What processes turn sediment into sedimentary rock?

2 answers:

7 0

A clastic sedimentary rock is composed of silicate minerals and rock fragments. They are transported by moving fluids such as sedimentation due to gravity and are deposited in the area where it stays. They are composed mostly of feldspar, quartz, rock (lithic) fragments, clay minerals and mica.

kkurt [141]2 years ago

5 0

Answer: Erosion

Explanation:

weathering and movement of the resulting sediments is called erosion. But sedimentary rock formation can begins from igneous, metamorphic and also other sedimentary rocks. When these rocks are exposed at the earth’s surface, they begin the long slow but unceasingly process of becoming sedimentary rock.

Also Sedimentation, burial and lithification are the processes that transform weathering products into sedimentary rocks.

Sediments and the environments in which they form are fundamentally divided into 2; which are clastic and chemical:

1. Clastic sediments are made of physically transported and deposited particles.

2. Chemical sediments are from solution, organically or inorganically; biochemical sediment more specifically refers to minerals grown from solution by organisms.

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Metals react with oxygen to give oxides with the general formula MxOy. What is a balanced chemical equation for the reaction of

katovenus [111]

Answer: $4Fe+3O_2\rightarrow 2Fe_2O_3$

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here iron is having an oxidation state of +3 called as $Fe^{3+}$ cation and oxide $O^{2-}$ is an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $Fe_2O_3$ .

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$2Fe+3O_2\rightarrow 2Fe_2O_3$