General_Chemistry_I_Final_Exam_Sem_1_2009 - UNIVERSITY OF...

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UNIVERSITY OF TECHNOLOGY, JAMAICAFACULTY:SCIENCE AND SPORTSCHOOL:NATURAL AND APPLIED SCIENCESFinal Examination, Semester I_____________________________________________________________________________Module Name:General Chemistry IModule Code:CHY2021Date:December2009Theory/Practical:TheoryGroups:AS-1/MT-1/DN-1/EH-1/SE-2/BENG-1/BUILT-1Duration:2 HOURS______________________________________________________________________________Instructions:This paper consists of a cover page and 3 printed pages with six (6)questions.ANSWER ANY FOUR (4)QUESTIONS______________________________________________________________________________Constants:1atm = 760 mmHg = 760 torr = 101.3 kPaAvogadro’s number (NA) = 6.0221023Universal gas constant,R= 8.314 J mol-1K-1= 0.08206 L.atm K-1mol-1Planck’s constant (h) = 6.62610-34JsSpeed of light (c) = 3.00108m s-1Rydberg constant,RH= 2.1810-18J1 Faraday = 96,500 C/mol e-1 mol any gas atstp= 22.4 dm3, at room temperature = 24 dm3______________________________________________________________________________DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO0
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Introduction to General, Organic and Biochemistry
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QUESTION 1a.Use the kinetic particle theory to account for the different states of matter.[4]b.Differentiate between the following:(i)chemical and physical properties(ii)homogeneous and heterogeneous mixtures[2 + 2]c.Discuss Rutherford’s Gold Foil Experiment and the conclusions made from thisexperiment in the early elucidation of the atomic structure.{NB:the use of suitable and clearly labelled diagrams are expected}[6]d.Calculate the principal quantum number energy level (nf) reached when an electron isexcited from then= 2 quantum level by absorbing4.08810-19Jin a hydrogen atom.[3]e.Draw representatives of the three,2porbitals.How do they differ?[3][Total = 20 marks]

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Term
Fall
Professor
LAMURA
Tags
Chemistry, Partial Pressure, Reaction, mol L 1, Red Lead
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Introduction to General, Organic and Biochemistry
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Chapter 7 / Exercise 7-65
Introduction to General, Organic and Biochemistry
Brown
Expert Verified

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