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Key words and definitions
As long as your starting and finishing points are the same, the enthalpy change will always be the same. This is regardless of how you go from start to finish Key word(s) ?
Skeletal formula Definition ?
Unsaturated Definition ?
This shows how all the atoms in a molecule bond to each other Key word(s) ?
The sound which comes from an engine if auto- ignition occurs Key word(s) ?
Definition ? 298 K (25 o C) for temperature 1 atmosphere for pressure 1 mol dm -3 for concentrations of solutions
Definition ? Homologous series
Key word(s) ? This is the energy required to pull the atoms bonded in a gaseous compound apart e.g. H 2 (g) 2H(g). This is always positive
Definition ? HCHC
Pages A molecule with opposite charges on different ends A molecule with a charge distribution.
Enthalpy Changes in Solution Ionic Compounds. Enthalpy Changes in SolutionSlide 2 of 7 Enthalpy of Solution Definition –The enthalpy change that takes.
1. Determine the number of atoms in 2.50 mol Zn.
International Baccalaureate Chemistry
Unit 1 rates. Go to question d. A small rise in temperature produces a large increase in the reaction rate. An experiment was carried.
Sections 11.4 – 11.5 Intermolecular Forces
Section 2.8—Speeding Up A Reaction
Standard Enthalpy (Ch_6.6) The heat change that results when 1 mole of a compound is formed from its elements at a pressure of 1 Atm.
Chapter 13: Control of Solubility Many of the forces we’ve talked about occur between ions/molecules in solutions Definition: A homogeneous mixture (only.
Chapter 12: Solutions and other complex forces Many of the forces we’ve talked about occur between ions/molecules in solutions Definition: A homogeneous.
Chemistry for Changing Times 12th Edition Hill and Kolb
Kinetics and Thermodynamics The focus of this unit is threefold: – Heat energy and chemical reactions – Enthalpy and chemical reactions – Gibb’s free energy:
Determining a Compound’s Percentage Composition From its Formula Empirical, Molecular, & Structural Formulas Determining a Compound’s Empirical Formula.
STANDARD MOLAR ENTHALPY OF FORMATION Enthalpy change when 1 mol of species is formed in its Standard State at a Specified Temperature from the most stable.
Standard Enthalpies Objectives Recall the definition of standard enthalpy changes of reaction, formation, combustion Edexcel AS Chemistry p79.
Percent Composition, Empirical Formulas, Molecular Formulas
Review: Molar Mass of Compounds
Organic compound Composed of only hydrogen & carbon Energy source- Petroleum Naturally occur in crude oil Simple Hydrocarbon Variation.
Real vs. Ideal Gas Under what types of pressure do gases behave ideally? Under what type of temperatures do gases behave ideally? We originally defined.
Colligative Properties. Properties that depend upon the concentration of solute particles are called colligative properties. Generally these properties.
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