A summary of topic 8, organised so the notes are easy to understand. The notes are on slides, so they can be printed out and used as revision cards or posters, for revision on the go. The notes cross-reference the specification so it is easy to see where each bit of information has come from. They ...
exothermic endothermic H(prod)>H(react)
H(react)>H(prod) ∆H = +ve
Reaction profile ∆H = -ve Reaction profile ∆T = -ve
∆T = +ve Energy taken in
Energy given out from surroundings
from system to into system as
surroundings as heat
heat
Examples:
Examples: melting, thermal
combustion, decomposition,
freezing, photosynthesis
respiration
Enthalpy level Enthalpy level
diagram diagram
∆H = H(prod)-
H(react)
Enthaply change
= the heat energy
change measured
at a constant
pressure.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller laurelgracefell. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £2.99. You're not tied to anything after your purchase.