Describe an experiment to rearranging the ideal gas Use an experimental determine the molecular mass of a equation to find unknown method to make volatile liquid quantities. measurements to Make precise measurements and calculate the Mr of use sensitive equipment like gas hexane. syringes with care. Use experimental data and the ideal gas equation to calculate the Mr of a volatile liquid 7 Calculating 3.1.2.4 Empirical and molecular formula AT a and k 2.4 empirical formula Explain the difference between Empirical formula is the simplest whole PS 2.3 and 3.3: Students be empirical formula and molecular number ratio of atoms of each element asked to find the empirical Recap of the formula in a compound. formula of a metal oxide. definition of Describe how to find the empirical empirical formula mass of a compound by direct Molecular formula is the actual number Calculation of reaction and by continuous of atoms of each element in a empirical formula variation. compound. using an Use empirical data to calculate the experimental empirical formula. The relationship between empirical methods formula and molecular formula. 8 Determine the 2.4 Students should be able to: empirical formulae of formula from data giving composition compounds Calculate molecular formula from by mass or data giving percentage by the empirical formula and relative mass; calculate molecular formula from Introduction to molecular mass the empirical formula and relative techniques to Describe how CHNS elemental calculate molecular analysers and high level resolution molecular mass. formula from mass spectrometry are used to find empirical formula, the molecular mass molecular mass, data Calculate molecular formula from from CHNS analysers data from CHNS and high level mass and high level mass spectrometry. spectrometry 9 Balanced chemical 3.1.2.5 Balanced 2.5 equations and equations Describe how to use titrations to associated calculations determine the stoichiometry of neutralisation reactions
rearranging the ideal gas equation to find unknown quantities. Use an experimental method to make measurements to calculate the Mr of hexane. Describe an experiment to determine the molecular mass of a volatile liquid Make precise measurements and use sensitive equipment like gas syringes with care. Use experimental data and the ideal gas equation to calculate the Mr of a volatile liquid 7 Calculating empirical formula Recap of the definition of empirical formula Calculation of empirical formula using an experimental methods Explain the difference between empirical formula and molecular formula Describe how to find the empirical mass of a compound by direct reaction and by continuous variation. Use empirical data to calculate the empirical formula. 3.1.2.4 Empirical and molecular formula Empirical formula is the simplest whole number ratio of atoms of each element in a compound. Molecular formula is the actual number of atoms of each element in a compound. The relationship between empirical formula and molecular formula. Students should be able to: empirical formula from data giving composition by mass or data giving percentage by mass; calculate molecular formula from the empirical formula and relative molecular mass. AT a and k PS 2.3 and 3.3: Students be asked to find the empirical formula of a metal oxide. 2.4 8 Determine the formulae of compounds Introduction to techniques to calculate molecular formula from empirical formula, molecular mass, data from CHNS analysers and high level mass spectrometry Calculate molecular formula from the empirical formula and relative molecular mass Describe how CHNS elemental analysers and high level resolution mass spectrometry are used to find the molecular mass Calculate molecular formula from data from CHNS and high level mass spectrometry. 2.4 9 Balanced chemical equations Describe how to use titrations to determine the stoichiometry of neutralisation reactions 3.1.2.5 Balanced equations and associated calculations 2.5
Chemistry%20SoW%20Year%201.docx