All Quantitative chemistry and stoichiometry articles – Page 3
-
ResourceThe 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
-
ResourceMeasuring vitamin C in food
Get your students to test their fruit and vegetables for vitamin C using simple kitchen equipment and household items
-
NewsRating rate laws
How to help students gain a deeper understanding of mathematical model-building
-
Exhibition chemistryContaining the dichromate volcano
An updated and safer version of this classic, spectacular chemistry demonstration
-
-
MathsSummation and the sigma notation
Paul Yates applies this handy shorthand to chemistry calculations in mass and enthalpy
-
-
ResourceSustainable 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.
-
NewsWhy titrate?
A chemistry teacher wanted to know why professional chemists carry out titrations …
-
ResourceConcentration simulation
Explore concentration with this interactive simulation. Add different solutes to water and adjust the controls to change their concentration:
-
ResourceAmino acids and hair growth
Discover how quickly human hair grows, and develop learner’s understanding of amino acids too.
-
ResourceH⁺ ions in water
Allow learners the chance to develop their own testing methods to identify H+ ions in samples of water.
-
DemonstrationDetermining relative molecular mass by weighing gases
Use this demonstration to determine the relative molecular masses of different gases using the ideal gas equation. Includes kit list and safety instructions.
-
DemonstrationDetermining the relative molecular mass of butane
Use this demonstration to calculate the relative molecular mass of butane using simple apparatus. Includes kit list and safety instructions.
-
DemonstrationThe effect of pressure and temperature on equilibrium | Le Chatelier’s principle
Try this demonstration to explore the effects of pressure and temperature on an equilibrium mixture with your students. Includes kit list and safety instructions.
-
DemonstrationThe effect of concentration and temperature on an equilibrium | Le Chatelier’s principle
Try this demonstration to illustrate how changing chlorine concentration or temperature shifts the position of an equilibrium. Includes kit list and safety instructions.
-
Class experimentEstimating the concentration of bleach
Compare the chlorine content and concentration of sodium hypochlorite in different bleaches in this class practical. Includes kit list and safety instructions.
-
Class experimentFinding the formula of copper(II) oxide
Use this class practical with your students to deduce the formula of copper(II) oxide from its reduction by methane. Includes kit list and safety instructions.
-
Class experimentUnsaturation in fats and oils
Use this class practical to investigate the amounts of unsaturated fats and oils in different foods. Includes kit list and safety instructions.
-
DemonstrationThe composition and formula of water
Try this demonstration to determine the formula of water through the reaction of copper(II) oxide with hydrogen. Includes kit list and safety instructions.