Ib chemistry Study guides, Class notes & Summaries

IB Chemistry Topic 5 Latest Update Graded A+ Enthalpy The amount of heat released (exothermic) or absorbed (endothermic) during a chemical reaction (the energy needed for the reaction to occur) This can be lowered with the presence of a catalyst. Change in Enthalpy Hproducts -Hreactants Specific heat equation c= q in Joules (or Change in H)/mass(g)(change in temp) Specific heat of water 4.18 J/gdegreesC **NOTE: Usually in kJ Endothermic v. Exothermic Endothermic: Absorbing e...

AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *JUN* IB/M/Jun23/E6 7404/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 Section B TOTAL Tuesday 23 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instruction...

IB Chemistry SL Functional Groups 100% Correct Alkanes Functional Group: none Suffix: -ane Formula: C(n)H(2n+2) Alkenes Functional Group: alkenyl Suffix: -ene Formula: C(n)H(2n) Alkynes Functional Group: alkynyl Suffix: -yne Formula: C(n)H(2n-2) halogenoalkanes Functional Group: —X ( X= F, Br, Cl, I) Suffix: none Formula: C(n)H(2n+1)X arenes Functional Group: phenyl Suffix: none Formula: C(n)H(2n-6) alcohols Functional Group: hydroxyl Suffix: -ol Formula:...

relative atomic mass (Ar) - Ans weighted mean of all the naturally occurring isotopes of the element (g/mol) relative molar mass (Mr) - Ans sum of Ar (no units) mole - Ans 6.02x10^-23 Empirical Formula - Ans shows the simplest whole number ratio of atoms of each element in a particular substance Molecular Formula - Ans shows the actual number of atoms of each element in a particular molecule or substance

AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Version: 1.0 Final *JUN2384622F01* IB/M/Jun23/E15 8462/2F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the bo...

IB Chemistry DP 4.Chemical Bonding &Structure

AQA GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Question Paper + Mark scheme [MERGED] June 2022 *jUNH01* IB/M/Jun22/E9 8462/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 TOTAL Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of t...

IB Chemistry Topic 9 Exam QuestioIB Chemistry Topic 9 Exam Questions and Answers (Latest Update 2024)s and Answers (Latest Update 2024)