All Quantitative chemistry and stoichiometry articles – Page 2
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ResourceThe effect of cooking on vitamin C in cabbage
An experiment to determine how the vitamin C content of cabbage varies with the method of cooking.
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Resource
AfL: What fruit contains the most vitamin C?
Assessment for Learning is an effective way of actively involving students in their learning. This is a series of plans based around chemistry topics.
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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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Resource
Gridlocks: can you unlock the grid?
9 interactive and 17 printable games, with a walkthrough. Match boxes to their corresponding values or chemicals to complete the grid. Complete grids for a variety of chemistry topics, such as units of volume, state symbols and many more. Video: Gridlocks walkthrough
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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
Mass and dissolving
Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...
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Resource
Sustainable development and green chemistry
The Inspirational chemistry chapter ‘Sustainable development and green chemistry’. This chapter suggests games, activities, practicals and demonstrations that prompt students to think critically about how to make every day processes more environmentally friendly and sustainable.
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Resource
AfL: What happens when substances dissolve? What is a precipitate?
Assessment for Learning is an effective way of actively involving students in their learning. Each session plan comes with suggestions about how to organise activities and worksheets that may be used with students.
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News
Why titrate?
A chemistry teacher wanted to know why professional chemists carry out titrations …
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Resource
Concentration simulation
Explore concentration with this interactive simulation. Add different solutes to water and adjust the controls to change their concentration:
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Resource
H⁺ ions in water
Estimate the number of H⁺(aq) ions in a single drop of: water; 1.0 mol dm⁻³ HCl; 1.0 mol dm⁻³ NaOH.
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Determining relative molecular masses by weighing gases
Demonstrate how different gases can be weighed in a gas syringe and their relative molecular masses determined using the ideal gas equation.
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Determining the relative molecular mass of butane
Measure the volume and the mass of a gas from a pressurised cylinder by collecting the gas over water and calculating its relative molecular mass.
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Resource
Le Chatelier's principle: the equilibrium between nitrogen dioxide and dinitrogen tetroxide
Explore the effect of pressure and temperature on the equilibrium between nitrogen dioxide and dinitrogen tetroxide.
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Resource
Le Chatelier's principle: the effect of concentration and temperature on an equilibrium
Changing the chlorine concentration or temperature in this reaction shifts the position of equilibrium, demonstrating Le Chatelier’s principle.
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