SCH4U Final Exam Rameez Ali Khan Dec 9, 2021 Multiple Choice Identify the choce that best completes the statement or ans

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Sch4u Final Exam Rameez Ali Khan Dec 9 2021 Multiple Choice Identify The Choce That Best Completes The Statement Or Ans 1 (27.98 KiB) Viewed 40 times

Sch4u Final Exam Rameez Ali Khan Dec 9 2021 Multiple Choice Identify The Choce That Best Completes The Statement Or Ans 2 (33.61 KiB) Viewed 40 times

SCH4U Final Exam Rameez Ali Khan Dec 9, 2021 Multiple Choice Identify the choce that best completes the statement or answers the question 1 Which of the following are synthetic polymers? a polyamide b rubber c. Kevlar d. all of the above 2. What is laser technology based on? a proton-induced emission of electrons b stimulated emission of alpha particles e based on electrons being stimulated to release photons d. photons being stimulated to release electrons 3. Which of the following compounds demonstrates an exception to the octet rule? a KCI b. HO c. SF d. Cth 4. What is hear? & b a measure of the average kinetic energy of entities in a substance the total amount of kinetic and potential energy in a substance the transfer of thermal energy from a warm object to a cooler object none of the above d. 5. Which of these is a formation reaction? a Hel) Og)→ HgO(s) b H₂Og Hg) + Odg) € 2 Fel) 0(g) →Fe:Ox(s) d. Ag OH → AgOH(s) . 6. Which of these is not a possible unit for the rate law constant? a (L-symol b. mol(L-s) cl/s d. L/mol's!
ID: A Hg (aq) +2eHg), -+0.80 V Ag (aq) +++ Agis), -+0.80 V Cu (aq) + Cuts),-+0.52 V Cd (aq) +2+Cd(s),-0.40 V 7. Use the list of half-reactions and reduction potentials above to select the entity that would react spontaneously with copper metal a cadmium ion b silver in e mercury ion and silver ion d. mercury ion 8. Which of the following statements is correct about an operating galvanic cell with the following overall redox reaction? Zn(s) + Pb (aq) → Zn (aq) + Pb(s) & Electrons travel from zinc to lead in the external circuit, and lead ions move away from lead metal in solution b Electrons travel from zinc to lead in the external circuit, and lead ions move towards lead metal in solution c. Electrons travel from lead to zinc in the external circuit, and zinc ions move towards zinc metal in solution d. Electrons move from lead to zinc in the external circuit, and zinc ions move away from lead metal in solution Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 1. Plastics can break down naturally 2. Scientists Spencer Silver and Arthur Fry created an adhesive that was put onto small pieces of paper to use as notes that could stick but be easily removed. The adhesive was intentionally created in a laboratory. 3. Niels Bohr proposed a model of the atom that was consistent with experimental observations of line spectrum of the helium atom 4. In beryllium chloride, BeCh. VSEPR theory predicts that the bond angle will be 90 5. Bond energies between atoms are the same in all compounds 2 Name: