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8869276
Thermochemical principles
Descrição
A mind map outlining the headings and subheadings for this topic
Sem etiquetas
chemistry #thermochemicalprincipals
chemistry
ncea level 2
Mapa Mental por
Billie Sims-Fowler
, atualizado more than 1 year ago
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Criado por
Billie Sims-Fowler
mais de 7 anos atrás
8
0
0
Resumo de Recurso
Thermochemical principles
Shapes of molecules
Replusion pairs of electrons
Bonded/non-bonded
Common shapes (must learn w/ angle
Bonding (Lewis structure)
Ionic bonding
Covalent bonding
Periodic trends
Atomic radii
DOwn a group
Across a period
Ionic radii
Negative ions
Positive ions
Electronegativity (to determine polarity)
Electronic structure
Ionisation energy
Factors
Defination
Equation
Endothermic processess
Removal of electrons
Electron configuration
Intermolecular forces
Solubility (in water)
Able to hydrogen bond with water molecules (pg 43)
Ammonia gas (NH3)
Simple sugars
Lower molar mass alcohols
Bond strength
Energy required to break bonds
Forces (pg 39)
Temporary dipole (Weaker)
Hydrogen bonding (strongest)
Permanent dipole (Stronger)
Heats of reaction (change in enthalpy) (pg 46)
Endothermic
Heat is absorbed
More energy required to break exisiting bonds
Exothermic
Heat is released
More energy is required to form new bonds
Activation energy
Entropy, enthalpy and spontaneous reactions
Phases changes
Definations of different types of enthalpy
Denfinations
Balancing reactions
Measuring enthalpy changes (pg 52)
Using Hess's law (pg 62)
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