IB DP Chemistry: HL復習筆記5.3.4 Case Study: Ozone
Case study: Ozone & Bond Strength A study of?bond enthalpy?can explain why ozone and oxygen in the atmosphere play very different roles in the flow of energy These processes have a profound eff...
IB DP Chemistry: HL復習筆記5.3.3 Energy Profiles
Energy Profiles An energy profile or energy level diagram is a diagram that shows the energies of the reactants, the?transition state(s)?and the products of the reaction with time The?transition st...
IB DP Chemistry: HL復習筆記5.3.2 Bond Enthalpy Calculations
Bond Enthalpy Calculations Bond energies are used to find the ΔHr??of a reaction when this cannot be done experimentally The process is a step-by-step summation of the bond enthalpies of the all th...
AQA A Level Maths: Pure復習筆記2.9.1 Translations
Translations What are graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations With a?transl...
IB DP Chemistry: HL復習筆記5.3.1 Bond Enthalpy
Bonds & Energy When bonds are broken or made?enthalpy changes?take place A chemical bond is a force of attraction between two atoms Breaking the bond requires the input of energy it is therefor...
IB DP Chemistry: HL復習筆記5.2.4 Using ?Hf° to Find Enthalpy Changes
Using ?Hf° to Find Enthalpy Changes Standard Enthalpy of Formation is defined as “The enthalpy change when one mole of a compound is formed from its elements under standard conditions” We can use e...
IB DP Chemistry: HL復習筆記5.2.3 Using Hess's Law - Equations
Hess's Law using Equations We can use Hess’s Law to solve unknown enthalpy changes by combining equations This requires a methodical step-by-step approach It is necessary to identify how the given ...
AQA A Level Maths: Pure復習筆記2.8.5 Modulus Functions - Solving Equations
Modulus Functions - Solving Equations Modulus graphs and equations Two non-parallel straight-line graphs would intersect?once If?modulus?involved there?could?be?more?than one intersection De...
IB DP Chemistry: HL復習筆記5.2.2 Using Hess's Law - Cycles
Hess's Law using Cycles There are two common methods to solving Hess's Law problems, using cycles and using equations To be successful in using cycles you need to follow carefully a step-by-step pl...
