Chemistry Middle School

Compare and contrast Mechanical weathering and Chemical weathering.
Mechanical weathering:
1.
2.
Chemical weathering:
1.
2.
Both:
1.
2.
Thank you!

Answers

Answer 1

Answer:

Mechanical weathering:

It is the physical breakdown of rocks and minerals into smaller fragments without changing their chemical composition.

It occurs due to external forces such as freeze-thaw cycles, abrasion, and plant roots expanding.

Chemical weathering:

It is the alteration of rock or mineral material into new compounds as a result of chemical reactions with water, air, and acids.

It occurs due to the reaction of minerals with water, carbon dioxide, oxygen, and other agents to form new compounds such as oxides, hydroxides, and carbonates.

Both:

Both processes work together to break down and transform the earth's crust.

Both processes are essential for soil formation and the creation of new landscapes over geological time scales.

Explanation:

Related Questions

Which statement best describes how energy and matter move in a wave?
A
A wave transports energy without transporting matter.

B
A wave transports matter without transporting energy.

C
Neither energy nor matter is transported by a wave.

Answers

Answer:

A wave e transports energy without transporting matter

Answer:

the answer is A. a wave transpory energy without transporting matter

Which word names melted rock and minerals found beneath Earth's crust?

A. lava
B. magma
C. rhyolite
D. gabbro

Answers

Magma is the answer
magma is the answer

What are the empirical formula and empirical formula mass for N2S3

Answers

Answer: 1)empirical formula

=> a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

Element   Symbol Entered Percent Actual Percent Moles

Nitrogen     N              22.53%            22.55%               2

Sulphur              s               77.47%            77.45%               3

Explanation:

The empirical formula of a compound is derived from the number of moles of the constituent elements of the compound. The empirical formula of dinitrogentrisulphide is N₂S₃ itself. It formula mass is 124 g.

What is empirical formula ?

The empirical formula of a compound is derived from the number of moles of the constituent elements present in the compound. The number of moles can be determined from the mass percentage if given for each element.

The empirical formula mass is the mass from the number of atoms and atomic masses of elements from the empirical formula

Here, the empirical formula of the given compound is N₂S₃ itself.

Atomic mass of N = 14 g/mol

mass of two nitrogens = 28 g

Atomic mass of sulphur = 32 g/mol

mass of 3 sulphur = 3 × 32 = 96 g

then formula mass of N₂S₃ = 96 g +28 g = 124 g/mol

Therefore, the empirical formula mass of the compound N₂S₃ is 124 g/mol. Where, nitrogen is present in 22.5% and sulphur is present in 77.4%.

Find more on empirical formula:

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Please answer as quick as possible first person to answer gets brainlist

Answers

Equal amount, but with subtle differences
equal amounts with subtle differences

Which term names molten material found below Earth's surface?
A. gabbro
B. magma
C. lava
D. basalt

Answers

Magma is your answer
The answer would be B. Magma !

88
Complete the semence with the word element of compour
O is a(n)
and H₂02₂ is a(n)

Answers

Answer: 82 + 62 = h*2 so that would mean 35.

Explanation:

How many moles are there in 15. 0 grams of SiO2?

a

0. 170 mol

b 0. 340 mol

c 0. 534 mol

d 0. 250 mol

e 0. 208 mol

Check it

Answers

Answer:

d) 0.250 mol

Explanation:

15.0 grams of sio2 have 1/4 moles.

The answer for the question you have asked is: 0.25
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