1.    In recitation, you studied the electrochemistry involved in the "fruit clock". If an orange is used to power the fruit clock, which of the following statements is TRUE? a.    Free electrons flow through the... Read More

Select the statement below that is correct. All compounds of carbonate (CO32-) phosphate (PO43-) and sulfide (S2-) are soluble. All compounds of nitrate (NO3-) and chlorate ... Read More

   1.   For a process at 451 K and constant pressure,  http://www.chem.purdue.edu/gchelp/116exams/delta.gifSsurr is -326 J K-1. Calculate the quantity of heat (in kJ) absorbed by the system.    2. Which of the... Read More

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CSIR NET Life Sciences December 2008 Paper 1. Which of the following pair is isotones? 1. 3H, 4He 2.15N, 14N1 3. 140Ba, 140Th 4. 1H, 3H 2.What would be energy released on breaking H‐H covalent bond (generally energy of covalent bond... Read More

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CSIR-UGC National Eligibility Test (NET) for Junior Research Fellowship and Lecturer-ship REVISED SYLLABUS & SCHEME OF EXAMINATION EFFECTIVE DECEMBER 2008 EXAMINATION ... Read More

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Which one of the following types of particles is the MOST highly penetrating to biological tissues? alpha particles beta particles positrons neutrons electrons In lecture, you observed a... Read More

     1.       Uranium-235 decays via a sequence of seven alpha decays and four beta decays to produce a stable nuclide. Which of the following is the nuclide that is produced?     ... Read More

   1.       Uranium-235 decays via a sequence of seven alpha decays and four beta decays to produce a stable nuclide. Which of the following is the nuclide that is produced?       ... Read More

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Chemistry MCQ: Nuclear Chemistry # The function of the MODERATOR in a nuclear power plant is to:    1. carry the heat produced from the fission reactions to an external turbine.    2. absorb neutrons and thereby control the... Read More

   1.   For a process at 451 K and constant pressure,  http://www.chem.purdue.edu/gchelp/116exams/delta.gifSsurr is -326 J K-1. Calculate the quantity of heat (in kJ) absorbed by the system.    2. Which of the... Read More

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Council of Scientific and Industrial Research Project Asstt and Research Intern Walk-in-interview on 12th to 13th November 2009 Adv No. EE/11/2009 SI. No Name of post Qualification No of posts Age ... Read More

Consider the following reaction in aqueous solution, 5Br-(aq) + BrO3-(aq) + 6H+(aq) --> 3Br2(aq) + 3H2O(l) If the rate of appearance of Br2 at a particular moment during the reaction is 0.025 M s-1, what is... Read More

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For the following reaction of hypochlorous acid (HOCl) with water, HOCl + H2O <==> H3O+ + OCl- what would be the effect of adding sodium hypochlorite (NaOCl) to the reaction at equilibrium? ... Read More

Coordination Chemistry   1.      What are the geometric shape and the oxidation number of the copper atom, respectively, for the complex ion, [Cu(NH3)4(OH2)2]2+? a. ... Read More

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