IB Chemistry Bundled Exams Questions and Answers Latest Versions (2024/2025) (Complete and Accurate)

IB Chemistry: Stoichiometry Rated A+ mole the amount of a substance which contains the same number of chemical species as there are atoms in exactly 12 grams of the isotope carbon-12 relative atomic mass the average mass of the atoms of an element relative to 1/12 the mass of an atom of carb...

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 Gr...

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 ...

IB Chemistry SL: Topic 4 Latest Version Graded A Ionic Bond Electrostatic attraction between oppositely charged ions Covalent Bond Electrostatic attraction between a pair of electrons and positively charged nuclei, formed as a result of electron sharing Metallic Bond Electrostatic attra...

IB Chemistry Unit 2 SL Latest Version Rated A+ Emission spectrum An emission spectrum is produced when an atom moves from a higher to a lower level. The line emission spectrum of hydrogen provides evidence for __________________ which converge at _____________ The line emission spectrum o...

IB Organic Chemistry HL and SL Latest Update 100% Correct Covalent When 2 atoms "share" electrons Empirical Formula The lowest whole # ratio of atoms in a compound Molecular Formula The actual number of atoms in a compound Homologous Series The series of hydrocarbons that follows th...

IB Organic Chemistry (HL) Latest Update 100% Solved chiral carbon A carbon that is singly bonded to 4 different atoms forming a tetrahedron that forms non-superimposable mirror images homolytic fission breaking a bond where each electron in a bond goes to one atom heterolytic fission br...

Things to Memorize for IB Chem HL 100% Correct Percentage Yeild actual yield/theoretical yield x 100 Avogadro's Law for gases One mole of any gas occupies 22.7 L at STP Ideal Gas Law PV=nRT (n is equal to the number of moles of the substance and R is the gas constant 0.082 or 8.314) ...

IB Chemistry Topic 10 Questions and Answers Graded A+ All ________ compounds contain carbon, but ____ ____ carbon containing compounds are _______. organic, not all, organic Catenation Carbon can form long chains and rings, linked by single, double, or triple bonds. Hydrocarbon composed...

IB Organic Chemistry SL Latest Version 100% Correct Homologous series Follows a regular pattern and have the same general molecular formula and differ only by the addition of -CH2- groups Alkane CnH2n+2 Alkene CnH2n Alcohol R-OH Aldehyde R-CHO Carboxylic acid R-COOH Ketone R...

IB Chemistry SL Latest Update Graded A+ element a substance that cannot be broken down into simpler substances. atom smallest part of an element. compound substance that contains more than one element. empirical formula this shows the simplest whole number ratio of atoms of each eleme...

IB chemistry HL Latest Version Graded A+ exothermic reaction heat is released by the system ΔΗ<0 endothermic reaction heat is absorbed by the system ΔΗ>0 standard enthalpy change of reaction(ΔΗ) the heat energy transferred under standard conditions (pressure-101.3 kPa, tem...