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Outline:
 1.index 1
 2.26) Name the following compound.
 3.27) Name the following compound.
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觀看 (790), 討論 (0)
演講日期: 2016-06-13
上架時間: 2016-06-14
上傳者: tina821104
24:23
Outline:
 1.index 1
 2.21) (Refer to Table A) Calculate the standard cell potential for the following balanced reaction occurring in an electrochemical cell at 25°C.Mg(s) + Cu2+(aq)→Cu(s) + Mg2+(aq)
 3.22) (Refer to Table A) Calculate △G° for the following balanced redox reaction at 25°C. (1 F = 96485 C/mol e-, 1 V =1 J/C)Mg(s) + Cu2+(aq) → Cu(s) + Mg2+(aq)
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觀看 (808), 討論 (0)
演講日期: 2015-07-22
上架時間: 2015-07-22
上傳者: tina821104
28:36
Outline:
 1.index 1
 2.21) Which combination is the best choice to prepare a buffer with a pH of 9.0?
 3.22) Calculate the pH of a solution formed by mixing 200.0 mL of 0.30 M HClO with 100.0 mL of 0.20 M KClO. The Ka for HClO is 2.9 × 10-8.
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觀看 (1188), 討論 (0)
演講日期: 2015-06-22
上架時間: 2015-06-22
上傳者: tina821104
20:30
Outline:
 1.index 1
 2.21) In the Arrhenius equation, ln k = -Ea/RT + ln A, the symbol A denotes:
 3.22) A catalyst alters the rate of a chemical reaction by:
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觀看 (632), 討論 (0)
演講日期: 2015-06-21
上架時間: 2015-06-21
上傳者: tina821104
17:36
Outline:
 1.index 1
 2.21) Which of the following substances would you predict to have the highest △Hvap?
 3.22) How much energy is required to vaporize 98.6 g of ethanol (C2H5OH) at its boiling point, if its △Hvap is 40.5kJ/mol?
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觀看 (599), 討論 (0)
演講日期: 2015-01-22
上架時間: 2015-01-22
上傳者: tina821104
31:01
Outline:
 1.index 1
 2.26) Place the following in order of decreasing radius.Te2⁻ F⁻ O2⁻
 3.27) For which element would the atoms be expected to be diamagnetic?
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觀看 (1040), 討論 (0)
演講日期: 2015-01-20
上架時間: 2015-01-20
上傳者: tina821104
34:27
Outline:
 1.index1
 2.21) What mass of NO2 is contained in a 13.0 L tank at 4.58 atm and 385 K?
 3.22) Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction:2NO(g) + O2(g) → 2NO2(g)ΔH°rxn = ?Given:N2(g) + O2(g) → 2NO(g)ΔH°rxn = +183 kJ1/2N2(g) + O2(g) → NO2(g)ΔH°rxn = +33 kJ
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演講者: 古庭瑜
觀看 (1722), 討論 (0)
演講日期: 2014-11-25
上架時間: 2014-12-01
上傳者: tina821104
37:16
Outline:
 1.index 1
 2.21) Which of the following statements is FALSE according to Daltonʹs Atomic Theory?
 3.22) Determine the volume of hexane that contains 5.33 × 1022 molecules of hexane. The density of hexane is 0.6548 g/mL and its molar mass is 86.17 g/mol.
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演講者: 古庭瑜
觀看 (943), 討論 (0)
演講日期: 2014-10-30
上架時間: 2014-10-30
上傳者: tina821104
31:25