1- Which substance CANNOT have dipole-dipole forces between its molecu.docx

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1. Which substance CANNOT have dipole-dipole forces between its molecules? CF 4 NF 3 F 2 O SF 4 nitrous acid, HNO 2 2. Which of the following species will have the highest boiling point? C 5 H 12 C 3 H 6 C 11 H 24 C 6 H 6 C 2 H 4 Solution 1) Answer : CF4 Except CF4 , remaining all are having dipole - dipole forces between the molecuels. 2) Answer : C 11 H 24 Explanation : higher the molar mass of the substance , higher the boiling point. here C 11 H 24 has higher molar mass than all. so it has highest boiling point among all .

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10. Dinitrogen trioxide is a molecular compound t/f 11. Lithium phosphide is a molecular compound t/f 12. Calcium bromide is a molecular compound t/f 13. The carbon oxygen bond is polar; the direction of the dipole is towards the oxygen t/f 14. The number of hydrogen atoms in one mole of water (H20) is one half the number of hydrogen atoms in one mole of methane (CH4) t/f 15. One mole of ammonia (NH3) has the same number or atoms as one mole of methane (CH4) t/f 16. If you have 1 mole of carbon dioxide (CO2), you havemoles of atoms? 4. 4 5. 6.02 x 10423 Solution 10. N2O3 is molecular compound t( true)>>>>answer 11. Li3P is ionic compound f(false) 12. CaBr2 is ionic compound f(false) 13. CaOÂ Â Â Â Â Ca^2+ --------> O2^- t(true) 14. 1 mole of H2O contains 2*6.023*10^23 hydrogen atoms 1 mole of CH4 contains 4*6.023*10^23 hydrogen atoms t( true) 15. 1 mole of NH3 = 6.023*10^23 * 4 atoms 1 mole of CH4 = 6.023*10^23 *5 atoms f( false) 16. 1mole of atoms 1.1 .

10- Dinitrogen trioxide is a molecular compound t-f 11- Lithium phosph.docx

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10) Which species acts as the nucleophile in the reaction of 1-butene with bromine water? A. a hydronium ion B. elemental bromine C. water D. a bromide ion (O 11) Which of the following is the least likely to react with an alkene? A. elemental bromine B. a hydronium ion C. potassium permanganate D. an ethyl radical e)sodium methoxide uant uceur 12) What will be formed when 1,2-dimethylcyclopentene is reacted with hydrogen gas in the presence of palladium? A. a mixture of mostly trans-1,2-dimethylcyclopentane and a smaller amount of cis-1,2 dimethylcyclopentane only cis-1,.2.dimethylcyclopentane 2 cis produdt Orv C. only trans-1,2-dimethylcyclopentane D. a mixture of mostly cis-1,2-dimethylcyclopentane and a smaller amount of trans-1,2 dimethylcyclopentane 13) Which of the following is the major product formed after 1-methylcyclopentene undergoes acid catalyzed hydration? ?? ?? ?? ?? Solution 10. Option C water since it is an example for halo hydrin formation reaction. First step is the formation of cyclic bromonium ion then ring opening by water. 11. Option E, since sodium ethoxide exists as EtO-& Na+ Both alkene and Ethoxide are Nucleophilic in nature due hence no reaction between them. 12. Option B since hydrogenation is Cis, both hydrogens will add from the same side of double bond. 13. Option C, more substituted alcohol is the major since it is made from more stable tertiary carbocation. .

10) Which species acts as the nucleophile in the reaction of 1-butene.docx

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1-) What are the tax concepts involved in completing the Form 1040? Explain in detail. 2-) What are the tax planning considerations you took into account while completing the Form 1040? 3-) What are the various steps and the calculations for each step you made while completing the Form 1040? Solution 1. The form 1040 shall be filed by an individual liable to pay taxed by the 15yh of April. The another name of this form is long form or U.S. Individual income tax return. It contains a number of pages in which financial ststus of the income of the individual is disclosed. It discloses whether the individual has to pay taxes or he gets refund. There are number of forms 1040 like 1040EZ etc. 2. While completing form 1040 we made tax planning in such a way that the tax payable is minimum but with the compliance of all the rules and regulations. For tax planning significant amounts are invested in funds like life Insurance Policies, Mediclaim of the self and the parents etc. As deductions are allowed under these sections. Tax is payable if the income after reducing certain deductions is chargeable to taxes. 3. It includes penalties aginst a taxpayer who doen not compliance with the laws & also includes taxability of wages, salaries tips and other things etc & deductions and credits like medical and dental expenses. It includes collection of the the taxpayers filing information& requirements of filing. The return should be throughly checked for the completeness and the accuracy & the tax payable and refund due should be properly calculated. .

1-) What are the tax concepts involved in completing the Form 1040- Ex.docx

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1.) Which of the following accounting concepts do accountants and auditors assess by using financial analyses? 2.) A journal entry is NOT recorded on what date? 3.) If a company\'s assets (such as accounts receivable or inventory) are allowed to grow out of control, which of the following would occur? 4.) Where is the overall change in cash shown in the statement of cash flows? Solution 1 c Full disclosure 2 a A journal entry is required on all of these dates. 3 d Cash flows from investing activities would be reduced. 4 aÂ Â the bottom part, following the financing .activities section .

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1. Why does the initially formed copper hydroxide precipitate dissolve upon addition of aqueous ammonia while synthesizing copper(II) acetate monohydrate? 2. Melting points and boiling points of compounds usually increase with increasing molecular weight, but the hexamethylcyclotrisiloxane is a solid at room temp and octamethylcyclotetrasiloxane is a liquid. Why might cyclotrimer be an exception to the normal rule Solution 1. When concentrated ammonia solution is slowly added in a light blue, aqueous solution of copper( II) chloride, there is formation of, light blue precipitate of copper(II) hydroxide. Further excess addition of ammonia causes the Cu +2 ions to go back into solution and hence continued addition of ammonia results the formation of a soluble deep blue complex copper ammonia ion means initially formed copper hydroxide precipitate dissolve upon addition of aqueous ammonia at this stage. 2. Tghis is due to the difference in arrangement oof molecules in a compound means the crystal lattic. The crystal lattice of has highly cross-links structure. .

1- Why does the initially formed copper hydroxide precipitate dissolve.docx

cwayne3

1.Write an algebraic expression to represent each verbal expression. 1. 2 more than the quotient of a number and 5 2. The sum of two consecutive integers 3. 5 times the sum of a number and 1 4. 1 less than twice the square of a number ................... 2. Write a verbal expression to represent each equation. 1. 5-2x=4 2. 3y=4y^3 3. 3c=2(c-1) 4. m/5=3(2m+1) Solution 1. Let the number be X. Now X/5 = quotient. Now two is added to it. => X/5 +2 2. Two consecutive integers: Let one number be X and the other one will be X+1 or X-1, Sum will be X+X+1 =2X+1 or X-1+X=2X-1 3. The sum of a number and one => X+1 and 5 times of it => 5(X+1) 4.square of a number = X 2. Twice the square of a number = 2X 2 now one less than that => 2X 2 -1 .

1-Write an algebraic expression to represent each verbal expression-.docx

cwayne3

1. Which planet has the least cloudiness? b) Earth c) Mars d) Jupiter a) Venus 2. The climate is NOT affected by a) prevailing winds. b) the phase of the moon c) sunshine variation with latitude. d) the distribution of land and water e) large volcanic eruptions. 3. The location within a supercell thunderstorm which one most likely should look at when watching for development of a tornado is a) the anvil b) far south on the flanking line c) the wall cloud. d) the forward-flank downdraft 4. A bow in a radar reflectivity echo often suggests the presence of a) flooding b) high winds c) hail 5. A stepped leader is a) a trail of ionization preceding a lightning strike b) a person in charge who is a lightning victim c) a tree or building scorched during a lightning strike 6. A tornado family is a) a simultaneous group of tornadoes produced in a multi-cell storm b) a mother, father, and children who chase storms together c) a sequence of tornadoes produced by a long lasting supercell 7. The coldest temperatures near the tropopause are found where? b) near the poles a) near the equator. c) near 30 degrees latitude. d) near 60 degrees latitude. Solution 1) venus ( abscence os atmosphere) 2) e ( weather is affected. climate is average of weather over time) 3) c 4) c 5) a 6) a 7) b 8) d 9) b 58mph 10) d 400ppm 11) a 12) b 13) b 14) b question 15 answer 16 ) d flat on ground 17) d 18) d 19) d 20 ) c jupiter 21) b 22) b 23) d 24 ) d 25) a .

1- Which planet has the least cloudiness- b) Earth c) Mars d) Jupiter.docx

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