What is the difference between an exothermic and endothermic reaction?

Exothermic = A reaction that transfers energy to its souroundings therefore the temperature of the sourounding increases (gets hotter). Can you think of an example? E.g. combustion, neutralisation. As heat is released the products have less energy than the reactantsDiagram of Beaker with arrows pointing outwards to represent energy loss to the souroundings
Endothermic= A reaction that takes in energy from its souroundings so the temperatue decreases (gets colder). Example includes thermal decomposition. Heat is absorbed, the products have more energy than the reactants. diagram

PE
Answered by Priscilla E. Chemistry tutor

3623 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

Calculate the number of moles of carbon dioxide molecules in 11 g of CO2.


Describe the effects of increasing the 1)Pressure 2) Temperature of the following system and what effect this will have on the equilibrium position of this reversible reaction given the forward reaction is exothermic 3H2 + N2 <--> 2NH3


Explain why the reactivity of the elements in group 1 increases as we go down the periodic table?


What are ionic bonds?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences