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Volumetric analysis, calorimetry and standard laboratory methods · A Level Chemistry · Courselo

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Chemistry
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Analytical, practical and synoptic skills

Volumetric analysis, calorimetry and standard laboratory methods

Analytical, practical and synoptic skills · Lesson 4 of 8

Lesson 4 of 8

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Unit 8

Analytical, practical and synoptic skills

8 lessons · 13 h 15 min of study

Chromatography and separation techniques1 h 30 min of study
Infrared spectrometry, mass spectrometry and structure deduction2 h of study
NMR spectroscopy for structure determination2 h 15 min of study
Volumetric analysis, calorimetry and standard laboratory methodsReading · 0%
Preparing, purifying and characterising products1 h 15 min of study

This unit is ≈16% of the Chemistry, across 8 lessons. Full syllabus

Lesson 4 of 8 · Analytical, practical and synoptic skills

Volumetric analysis, calorimetry and standard laboratory methods

3 quick checks≈2% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Prepare a standard solution from a solid or by dilution using appropriate apparatus and technique, including accurate weighing, transfer, rinsing and making up to the mark.
Carry out and calculate results from acid-base and redox titrations, including concordant titres, mean titre selection, stoichiometric relationships and concentration determination.

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Adaptive questions on volumetric analysis, calorimetry and standard laboratory methods.

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Processing data, uncertainty and graphical analysis1 h 15 min of study

Planning investigations, evaluation and synoptic comprehension1 h 45 min of study

Qualitative organic analysis1 h 15 min of study

Select suitable indicators or detection methods for titrations and justify the choice from the chemistry of the system and the steepness of the titration curve where relevant.

Explain the principles of calorimetry for measuring enthalpy changes using temperature change, mass or volume, and specific heat capacity assumptions.

Calculate enthalpy changes from calorimetry data and evaluate significant sources of error such as heat loss, incomplete combustion, evaporation and instrument limitations.

Apply standard laboratory methods safely and correctly, including pipetting, burette reading, use of volumetric flasks, reflux, heating, filtration and washing of apparatus or products.

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