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(A) (B) (C) () 12 Ihe shape of the species PCk is (A) Bipyramidal (B) (C) (D) Trigonal bipyramidal Octahedral Trigonal planar Which of the following species shows a 13

(A) (B) (C) () 12 Ihe shape of the species PCk is (A) Bipyramidal (B) (C) (D) Trigonal bipyramidal Octahedral Trigonal planar Which of the following species shows a 13

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q12, 13, 14

pair is most likely to have the same value for its enthalpy of neutralization? (A) (B) (C) (D) A mole of a substance caHt be define as 1. A The amount of substance that contain as many elementary particles as they are atoms in 12g of carbon- 12 Ethanoic ačid and potassium hydroxide Hydrochloric acid ammonia Nitric acid and potassium hydroxide Ethanoic acid and ammonia (B) The anount of particles in mass of The mean bond dissociation energy (bond energy team) of the C-H bond is equal to one quarter the enthalpy change (AH) value for one of the following equations. Choose the appropriate carbon- 12 8. The amount of particles in exactly 12g of (C) carbon-12 The amouni of substance that contain as (D) many elementary particles as there are in 12g of carbon-12 In an experiment, 3g of anhydrous sodium carbonate (RMM-106) are used to prepare a 150em solurins one - CH4(E) (A) Cie) + 2203) (B) CH4) C + 4H() (C) CHe + Cy+ 4H) (Di CHag C + 2H2(e) Question 9-1I: the following terms are used for energy changes accompanying reactions. Lattice I nthalpy of hydration Enthalpy of solution Atomisation energy 2. The concentration of solution is 3:1000 (A) 106r150 (A) energy 106r150 (D) Ihe element with clectronic configuration (C) (D) Select from the A to D the energy change 3. (A) (3) I lalogen Transition metal 22 associated with the reaction Nae + water Naan) (D) An alkalme earth metal (C) (D) NaoH + water - NaOlla) (D) Mg + 0- Mg0s) (D) (A) (B) 1.3e uf a hydrate of copper sulphate (CUSONIJO) n heating gave 0 90g of residue. What is the pereentage of water of erystallisation 4. 10 (A) (B) (C) 69 2. 11. 12". 30.76% (C) (B) Ihe shape of the species PCI is Bipyramidal Trigonal bipyramidal Octahedral (A) (D) 25.40, 12 5. What is the relative atomic mass of lead (A) (B) (C) (D) 13 following percentage isotopie Pb-206-24 1%: given the Ph-204-1 4%, Pb-207-22. 1%, Pb-208-52.4% 207.5 abundance Trigonal planar Which of the following species shows a systematic decrease in boiling points of the compounds? (A) H;O>CH;CO,H>CH;CH2OH>CH CHO (B)CH,CO:H>H0>CH,CH2OH>CH;CHO (C)H;O>CH;OH>CH;CO;H>CH;CHO (A) (C) 6. 206.3 (B) 207.2 (D) An alpha (a) particle is An electromagnetic radiation 205.8 (A) (B) (C) (D) An electron A helium nucleus A positive charge ion hydrochlorie acid with sodium hydroside is - 57.2kJmol'. Which of the following acid base The decreasing trend in boiling points oi the compounds 14 10
Transcribed Image Text:pair is most likely to have the same value for its enthalpy of neutralization? (A) (B) (C) (D) A mole of a substance caHt be define as 1. A The amount of substance that contain as many elementary particles as they are atoms in 12g of carbon- 12 Ethanoic ačid and potassium hydroxide Hydrochloric acid ammonia Nitric acid and potassium hydroxide Ethanoic acid and ammonia (B) The anount of particles in mass of The mean bond dissociation energy (bond energy team) of the C-H bond is equal to one quarter the enthalpy change (AH) value for one of the following equations. Choose the appropriate carbon- 12 8. The amount of particles in exactly 12g of (C) carbon-12 The amouni of substance that contain as (D) many elementary particles as there are in 12g of carbon-12 In an experiment, 3g of anhydrous sodium carbonate (RMM-106) are used to prepare a 150em solurins one - CH4(E) (A) Cie) + 2203) (B) CH4) C + 4H() (C) CHe + Cy+ 4H) (Di CHag C + 2H2(e) Question 9-1I: the following terms are used for energy changes accompanying reactions. Lattice I nthalpy of hydration Enthalpy of solution Atomisation energy 2. The concentration of solution is 3:1000 (A) 106r150 (A) energy 106r150 (D) Ihe element with clectronic configuration (C) (D) Select from the A to D the energy change 3. (A) (3) I lalogen Transition metal 22 associated with the reaction Nae + water Naan) (D) An alkalme earth metal (C) (D) NaoH + water - NaOlla) (D) Mg + 0- Mg0s) (D) (A) (B) 1.3e uf a hydrate of copper sulphate (CUSONIJO) n heating gave 0 90g of residue. What is the pereentage of water of erystallisation 4. 10 (A) (B) (C) 69 2. 11. 12". 30.76% (C) (B) Ihe shape of the species PCI is Bipyramidal Trigonal bipyramidal Octahedral (A) (D) 25.40, 12 5. What is the relative atomic mass of lead (A) (B) (C) (D) 13 following percentage isotopie Pb-206-24 1%: given the Ph-204-1 4%, Pb-207-22. 1%, Pb-208-52.4% 207.5 abundance Trigonal planar Which of the following species shows a systematic decrease in boiling points of the compounds? (A) H;O>CH;CO,H>CH;CH2OH>CH CHO (B)CH,CO:H>H0>CH,CH2OH>CH;CHO (C)H;O>CH;OH>CH;CO;H>CH;CHO (A) (C) 6. 206.3 (B) 207.2 (D) An alpha (a) particle is An electromagnetic radiation 205.8 (A) (B) (C) (D) An electron A helium nucleus A positive charge ion hydrochlorie acid with sodium hydroside is - 57.2kJmol'. Which of the following acid base The decreasing trend in boiling points oi the compounds 14 10
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