Exam (elaborations)
AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme 2024/2025, Exams for Chemistry. 2024 UPDATE.
- Course
- Institution
MARK SCHEME – A-level Question Answers Additional comments/Guidelines Mark M1 ΔfH = ΔaH (Sr) + 2ΔaH (Cl) + Δ1st IEH (Sr) + Δ2nd IEH (Sr) + 2ΔEAH(Cl) + ΔLEH (Sr) Or – 828 = 164 + (2 x 121) + 548 + 1060 + (2 x ΔEAH) + (– 2112) ...
[Show more]