Energy changes in neutralisation

A thermometer strip with Celsius and Fahrenheit scales, currently indicating a temperature of 38 degrees Celsius

Source: © Shutterstock

Study energy changes in two chemical reactions using thermometer strips to measure temperature in this experiment. Includes kit list and safety instructions.

Use this class practical to explore energy changes in neutralisation at dropscale. Students observe the reaction of hydrochloric acid with magnesium, before adding sodium hydroxide and measuring the temperature change during the neutralisation reaction.

Make your lessons pop

Choose an account option to continue exploring our full range of articles and teaching resources

Register for a personal accountFree

Free

Free access for everyone, everywhere. If you only need a few resources, start here.

What's included

One free teaching resource each month
Five free Education in Chemistry articles each month
Personalised email alerts and bookmarks

UK and Ireland only

Join Teach ChemistryFree for eligible users

Free for eligible users

Free and comprehensive access for teachers and technicians at secondary schools, colleges and teacher training institutions in the UK and Ireland.

What's included

Unlimited access to our resources and practical videos
Unlimited access to Education in Chemistry articles
Access to our online assessments
Our teacher well-being toolkit and personal development resources
Applications for funding to support your lessons

25% off

Subscribe for extended access£80£60 for 12 months

£80

£60 for 12 months

Save £20 (25%) until 30 June 2026

Get unlimited articles and resources for a whole year, plus discounts on professional development courses.

Subscribe before 30 June 2026 to save £20 (25%)

What's included

Unlimited access to our resources and practical videos
Unlimited access to Education in Chemistry articles
10% off our self-led professional development courses

Subscribe now