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aqa AS CHEMISTRY Paper 1 Inorganic and Physical Chemistry (7404/1) Question paper May2023 Popular

  • aqa AS CHEMISTRY Paper 1 Inorganic and Physical Chemistry (7404/1) Question paper May2023

  • Exam (elaborations) • 29 pages • 2024
  • aqa AS CHEMISTRY Paper 1 Inorganic and Physical Chemistry (7404/1) Question paper May2023
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aqa AS CHEMISTRY Paper 2 Organic and Physical Chemistry (7404/2) Question Paper May2023 Popular

  • aqa AS CHEMISTRY Paper 2 Organic and Physical Chemistry (7404/2) Question Paper May2023

  • Exam (elaborations) • 39 pages • 2024 Popular
  • aqa AS CHEMISTRY Paper 2 Organic and Physical Chemistry (7404/2) Question Paper May2023
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AQA A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2022, Exams for Chemistry

  • AQA A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2022, Exams for Chemistry

  • Exam (elaborations) • 36 pages • 2023
  • 1 Δf H = Δ a H (Sr) + 2ΔaH (Cl) + Δ 1st IE H (Sr) + Δ 2nd IE H (Sr) + 2ΔEA H(Cl) + ΔLEH (Sr) 1 Or – 828 = 164 + (2 x 121) + 548 + 1060 + (2 xΔEA H) + (– 2112) 01.1 M2 2 x ΔEA H = – 730 1 M3 ΔEA H = – 365 (kJ mol–1 ) Allow M3 = M2÷2 (+) 365, –304.5, and –730 = 2 marks 1 (+) 304.5, (+) 730 and –609 = 1 mark (+) 609 = 0 marks 11 –3889BaCl2 01.2 –2493MgO –2018MgCl2 1 All three lines must be shown MARK SCHEME – A-LEVEL CHEMISTRY – 7405/1 – JUNE...
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June 2019 MS - Paper 1 AQA Chemistry AS-level.

  • June 2019 MS - Paper 1 AQA Chemistry AS-level.

  • Exam (elaborations) • 17 pages • 2023
  • Fluoride ion has (two) fewer protons/lower nuclear charge Weaker attraction between nucleus and (outer) electrons Do not allow fluorine, but allow fluorine ion Any reference to different numbers of electrons in the ions loses M1 Allow answers in terms of sodium ion but must be explicit. Ignore references to atomic radius 1 1
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