All Quantitative chemistry and stoichiometry articles – Page 2
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Resource
Finding out how much salt there is in seawater
Use the microscale titration apparatus to titrate silver nitrate solution against sea water
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Resource
Teacher subject knowledge self assessment tests
Use these diagnostic tests to self-assess your chemistry subject knowledge, and identify strengths and areas for development. These two quizzes test at the pre-16 level. Complete the first to get feedback broken down by topic. Use the second quiz to check progress, once you’ve refreshed your knowledge in key topics.
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Resource
Teacher subject knowledge self assessment: post-16
Use these diagnostic tests to self-assess your chemistry subject knowledge, and identify strengths and areas for development
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CPD
Making measurements
Help your students use appropriate apparatus to make and record a range of measurements
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News
Reasoning with proportion
Abstract reasoning rather than rule-following helps lower-attaining students
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Resource
Low sodium salt substitutes
This resource uses a titration method to analyse the chemical composition of Lo-Salt, a reduced sodium salt alternative.
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Resource
Use of salt in cooking, part 2
This resource explores why salt is always added to the water when cooking green vegetables.
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Resource
Problem solving tutor
Use this online interactive tutorial to teach three different methods for solving problems in quantitative chemistry. Video: How to use the problem solving tutor
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Experiment
The volume of 1 mole of hydrogen gas
Understand the volume of one mole of hydrogen gas through a magnesium and acid reaction, taking note of the temperature and pressure. Includes kit list and safety instructions.
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Experiment
Energy content in foods
Try this class experiment to investigate how much energy different foods contain. Includes kit list and safety instructions.
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Resource
The effect of cooking on vitamin C in cabbage | 16–18 years
Plan a titration experiment to discover more about the changes in vitamins and enzymes during cooking. Includes kit list and safety instructions
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Resource
Measuring vitamin C in food
Get your students to test their fruit and vegetables for vitamin C using simple kitchen equipment and household items
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News
Rating rate laws
How to help students gain a deeper understanding of mathematical model-building
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Exhibition chemistry
Containing the dichromate volcano
An updated and safer version of this classic, spectacular chemistry demonstration
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Maths
Summation and the sigma notation
Paul Yates applies this handy shorthand to chemistry calculations in mass and enthalpy
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Resource
Chemical misconceptions II: Mass and dissolving
This exercise is primarily aimed at the 11–14 age range, to discover more about dissolving solids in liquids.