Physical Geology Lecture 7 Quiz

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Questions and Answers

What is the significant role of climatic factors in the process of 'weathering'?

Forming residual or in situ deposits

Transporting minerals and rocks to another place

Shaping the world around us

Breaking down minerals and rocks (correct)

What is the definition of 'erosion' in the context of geological sciences?

The transportation of eroded materials to another place (correct)

The breakdown of minerals and rocks due to climatic factors

The process of removing earth materials from their original place

The shaping of the world around us by major forces

What does 'residual or in situ deposits' refer to in relation to 'weathering'?

Earth materials transported to another place

The transportation of eroded materials

The breakdown of minerals and rocks

Minerals and rocks remaining in their original place (correct)

Which process comes after 'weathering' and before 'deposition'?

Erosion Signup and view all the answers

In the context of geological sciences, what happens after 'weathering' and 'erosion'?

'Deposition' Signup and view all the answers

What is the primary function of 'erosion' in shaping the land?

Transporting eroded materials to another place Signup and view all the answers

Which process contributes to the formation of 'residual or in situ deposits'?

'Weathering' Signup and view all the answers

'Erosion' specifically involves the...

'Transportation of eroded materials to another place' Signup and view all the answers

'Mass Wasting' is a process that occurs...

'After weathering and before deposition' Signup and view all the answers

'Transportation' is a stage that comes...

'After weathering and before deposition' Signup and view all the answers

What texture characterizes regional metamorphic rocks?

Foliated Signup and view all the answers

Which type of rocks are products of solidification of molten material from the earth's depth?

Felsic igneous rocks Signup and view all the answers

What type of rocks are characterized by being coarse-grained and rough?

Mafic igneous rocks Signup and view all the answers

Which type of rock is formed from Lava and is fine-grained and smooth?

Felsic igneous rocks Signup and view all the answers

What represents the start to form new magma when high-grade metamorphic rocks are subjected to more temperature and pressure with increasing depth?

Partial melting Signup and view all the answers

What is the source or pre-existing rock for regional metamorphic rocks?

Al-rich sedimentary rock (shale & claystone) Signup and view all the answers

What is the field of study of GES 111?

Physical Geology Signup and view all the answers

'GES 111 Physical Geology' is powered by which University?

Arizona State University Signup and view all the answers

'GES 111 Physical Geology' is instructed by whom?

'Prof. Adel A. Surour' Signup and view all the answers

'GES 111 Physical Geology' is a course specifically designed for students from which programs?

Petroleum & Mining Geology, Biotechnology & Nanotechnology Signup and view all the answers

What is the product of the cleavage reaction when dialkyl ethers are heated with strong acids?

Alkyl halide and alcohol Signup and view all the answers

Which mechanism does a 1° alkyl group tend to undergo in the cleavage reaction of ethers?

SN2 displacement Signup and view all the answers

What happens when excess HBr is used in the cleavage reaction of ethers?

Formation of peroxides Signup and view all the answers

Which alkyl group tends to undergo SN1 displacement in the cleavage reaction of ethers?

3° alkyl group Signup and view all the answers

What type of reaction can the cleavage of ethers with strong acids proceed by, depending on conditions and ether structure?

SN1 or SN2 mechanisms Signup and view all the answers

What is the IUPAC name for C2H5OC2H5?

Diethyl ether Signup and view all the answers

Which synthesis method is best suited for a 1° halide?

Williamson’s synthesis Signup and view all the answers

What physical state is methyl ether?

Gas Signup and view all the answers

How do ethers compare to isomeric alcohols in terms of boiling point?

Ethers have lower boiling points Signup and view all the answers

How do ethers compare to isomeric alcohols in terms of water solubility?

Both have similar water solubility Signup and view all the answers

Study Notes

Weathering and Erosion

Climatic factors play a significant role in the process of weathering.
Erosion is the removal and transportation of rock or soil particles from one location to another.
Residual or in situ deposits refer to deposits that remain in their original location after weathering.
The process that comes after weathering and before deposition is erosion.
After weathering and erosion, the rocks and soil particles are transported to a new location and deposited.
The primary function of erosion is to shape the land by removing and transporting rocks and soil particles.
Weathering contributes to the formation of residual or in situ deposits.
Erosion specifically involves the removal and transportation of rock or soil particles from one location to another.
Mass Wasting is a process that occurs when there is a sudden movement of rock or soil down a slope.
Transportation is a stage that comes after erosion, where the rocks and soil particles are transported to a new location.

Rock Types

Regional metamorphic rocks have a non-foliated or foliated texture.
Igneous rocks are products of solidification of molten material from the earth's depth.
Coarse-grained and rough rocks are characteristic of intrusive igneous rocks.
Fine-grained and smooth rocks are characteristic of extrusive igneous rocks, which are formed from lava.

Metamorphic Rocks

High-grade metamorphic rocks subjected to more temperature and pressure with increasing depth can partially melt to form new magma.
Regional metamorphic rocks originate from pre-existing rocks, such as shale or basalt.

Course Information

The field of study of GES 111 is Physical Geology.
GES 111 Physical Geology is powered by the University of Nigeria.
GES 111 Physical Geology is instructed by Dr. A. O. Eze.
GES 111 Physical Geology is a course specifically designed for students from the Departments of Geology, Geography, and Environmental Science.

Organic Chemistry

The product of the cleavage reaction when dialkyl ethers are heated with strong acids is an alkyl halide and an alcohol.
A 1° alkyl group tends to undergo SN2 displacement in the cleavage reaction of ethers.
When excess HBr is used in the cleavage reaction of ethers, it leads to the formation of alkyl bromides.
A 3° alkyl group tends to undergo SN1 displacement in the cleavage reaction of ethers.
The cleavage of ethers with strong acids can proceed by an SN1 or SN2 mechanism, depending on conditions and ether structure.
The IUPAC name for C2H5OC2H5 is ethoxyethane.
The best synthesis method for a 1° halide is the Williamson ether synthesis.
Methyl ether is a gas at room temperature.
Ethers have a lower boiling point than isomeric alcohols due to weaker intermolecular forces.
Ethers are less soluble in water than isomeric alcohols due to weaker hydrogen bonding.

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Description

Test your knowledge of weathering and erosion with this quiz based on Chapter 7 of the Physical Geology course. Designed for students of Petroleum & Mining Geology, Biotechnology, and Nanotechnology programs.