Reacting masses and gas volumes | 14–16 years | Teaching resources | RSC Education

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CPD article
Teaching reacting masses at 14–16
Tackle this key concept in quantitative chemistry with these teacher-tested tips
CPD article
How to teach gases at 14–16
Use these classroom activities and tips to boost your students’ understanding of quantitative chemistry
Course
Quantitative chemistry | Self-led course
Build confidence in your quantitative chemistry knowledge and discover effective topic-specific teaching strategies

Deliver

Resource
Decomposition of calcium carbonate | Johnstone’s triangle worksheets | 14–16 years
Think about reacting masses and gas volumes in the context of a decomposition reaction
Resource
Reacting ratios: gas volumes | Developing understanding | 14–16 years
Connect learners’ ideas about balanced equations, the ratio of atoms and moles and the volume of reactants and products
Resource
Excess copper oxide | Johnstone’s triangle worksheets | 14–16 years
Explore the reaction of sulfuric acid with excess reactant copper oxide at three conceptual levels with Johnstone’s triangle
Resource
Limiting and excess reactants: quantitative | Developing understanding | 14–16 years
Develop learners quantitative understanding of limiting and excess reactants with the support of bar diagrams
Resource
Limiting and excess reactants (qualitative) | Developing understanding | 14–16 years
Introduce limiting and excess reactants using an analogy of ice cream and ice cream cones
Resource
Reacting masses and gas volumes | Structure strip | 14–16 years
Use scaffolded prompts to support learners to write about reacting masses and gas volumes
Resource
Yield | Developing understanding | 14–16 years
Part of the Johnstone’s triangle series, this resource includes teacher notes and a student worksheet to help learners understand the difference between actual and theoretical yield
Resource
Fertiliser yield | Johnstone’s triangle worksheets | 14–16 years
Help learners calculate the actual and theoretical yield of ammonium sulfate using Johnstone’s triangle
Resource
Reacting ratios: masses | Developing understanding | 14–16 years
Develop learners’ understanding of the ratio of the very large number of atoms or molecules in balanced chemical equations
Resource
Extracting tin from tin oxide | Johnstone’s triangle worksheets | 14–16 years
Introduce calculations using reacting masses in the context of extracting tin from tin oxide

Assess

Resource
Reacting masses and gas volumes | In context | 14–16
Put reacting masses and gas volumes into context with questions based on fertiliser in food prodcution
Resource
Reacting masses and gas volumes | Knowledge check | 14–16
Assess understanding of reacting masses at foundation and higher level, plus gas volumes (higher only)
Resource
Quantitative chemistry | Review my learning | 14–16 years
A set of differentiated worksheets with answers to identify learning gaps and misconceptions on the topic of quantitative chemistry

Enrich

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Overview resources for Quantitative chemistry | 14–16 years

Discover more chemistry teaching resources to support 14–16 learners with quantitative chemistry

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