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(a)
Interpretation: The positive factors and concerns of the technique fracking should be given.
Concept introduction:
Fracking or Hydraulic fracturing: The process is a high pressure technique and it is proved to be an unconventional natural gas technology. Using a high pressurized liquid, cracks are created in the rocks which results in the ejection of natural gas and oil.
(b)
Interpretation: The use of ethanol as a fuel is whether a wise choice should be explained. The arguments for and against for this has to be listed.
Concept introduction:
Different forms of energy sources: Renewable energy source and Non-renewable energy source.
Renewable energy resources: The resources which occur by natural process and can be recyclable or replaced. They will be much useful to human beings.
Non-renewable energy resources: The resources which are once used and which cannot be available again within a given amount of time. Energy derived from fossil fuel is an example for non-renewable resource.
Water, food and air are the major examples for renewable energy resources. The use of renewable sources contributes less pollution in the atmosphere and this is the reason for their increase use. Ethanol in gasoline is a renewable form of energy.
Gasoline, coal, diesel, fossil fuel, plastic.. are examples for non-renewable energy resources. The major disadvantages of these resources are they are not renewed and cannot be recycled.
(c)
Interpretation: The development of electric cars and cars using natural gas should be encouraged or not. The advantages and disadvantages to owning this cars has to be explained.
Concept introduction:
Different forms of energy sources: Renewable energy source and Non-renewable energy source.
Renewable energy resources: The resources which occur by natural process and can be recyclable or replaced. They will be much useful to human beings.
Non-renewable energy resources: The resources which are once used and which cannot be available again within a given amount of time. Energy derived from fossil fuel is an example for non-renewable resource.
Water, food and air are the major examples for renewable energy resources. The use of renewable sources contributes less pollution in the atmosphere and this is the reason for their increase use. Ethanol in gasoline is a renewable form of energy.
Gasoline, coal, diesel, fossil fuel, plastic.. are examples for non-renewable energy resources. The major disadvantages of these resources are they are not renewed and cannot be recycled.
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Chapter 20 Solutions
Chemistry & Chemical Reactivity
- Q10: (a) Propose a synthesis of C from A. (b) Propose a synthesis of C from B. Br Br ...\SCH 3 A B Carrow_forward9: Complete the missing entities for following reactions (e.g., major product(s), reactants, and/or solvents) for the SN2 reactions to occur efficiently. Include curved-arrow mechanism for reactions a) to d).arrow_forwardComplete the missing entities for following reactions (e.g., major product(s), reactants, and/or solvents) for the SN2 reactions to occur efficiently. Include curved-arrow mechanism for reactions a) to d).arrow_forward
- QUESTION 3: Provide the synthetic steps that convert the starting material into the product (no mechanism required). HO OH NH CH3 multiple steps 요요 H3Carrow_forwardQ6: Predict the effect of the changes given on the rate of the reaction below. CH3OH CH3Cl + NaOCH3 → CH3OCH3 + NaCl a) Change the substrate from CH3CI to CH31: b) Change the nucleophile from NaOCH 3 to NaSCH3: c) Change the substrate from CH3CI to (CH3)2CHCI: d) Change the solvent from CH3OH to DMSO.arrow_forwardQ3: Arrange each group of compounds from fastest SN2 reaction rate to slowest SN2 reaction rate. a) CI Cl فيكم H3C-Cl A B C D Br Br b) A B C Br H3C-Br Darrow_forward
- Q2: Group these solvents into either protic solvents or aprotic solvents. Acetonitrile (CH3CN), H₂O, Acetic acid (CH3COOH), Acetone (CH3COCH3), CH3CH2OH, DMSO (CH3SOCH3), DMF (HCON(CH3)2), CH3OHarrow_forwardSuppose the rate of evaporation in a hot, dry region is 1.76 meters per year, and the seawater there has a salinity of 35 ‰. Assuming a 93% yield, how much salt (NaCl) can be harvested each year from 1 km2 of solar evaporation ponds that use this seawater as a source?arrow_forwardhelparrow_forward
- Explain why only the lone pairs on the central atom are taken into consideration when predicting molecular shapearrow_forward(ME EX1) Prblm #9/10 Can you explain in detail (step by step) I'm so confused with these problems. For turmber 13 can u turn them into lewis dot structures so I can better understand because, and then as well explain the resonance structure part. Thanks for the help.arrow_forwardProblems 19 and 20: (ME EX1) Can you please explain the following in detail? I'm having trouble understanding them. Both problems are difficult for me to explain in detail, so please include the drawings and answers.arrow_forward
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