December 22, 2024, 06:27:07 AM
Forum Rules: Read This Before Posting


Topic: finding ?H from q of reaction  (Read 3145 times)

0 Members and 1 Guest are viewing this topic.

baffae

  • Guest
finding ?H from q of reaction
« on: November 13, 2005, 04:12:37 PM »
I'm doing a thermodynamics lab for AP Chem and I'm confused.

If I have a value for q of the rxn of 3 different reactions, and reaction one plus the reverse of reaction 2 equals reaction 3 (hess's law) , how do I find the ?H for any and all of the reactions?

I'd appreciate some *delete me*

Offline Donaldson Tan

  • Editor, New Asia Republic
  • Retired Staff
  • Sr. Member
  • *
  • Posts: 3177
  • Mole Snacks: +261/-13
  • Gender: Male
    • New Asia Republic
Re:finding ?H from q of reaction
« Reply #1 on: December 18, 2005, 09:01:04 AM »
q = dH at constant pressure.
"Say you're in a [chemical] plant and there's a snake on the floor. What are you going to do? Call a consultant? Get a meeting together to talk about which color is the snake? Employees should do one thing: walk over there and you step on the friggin� snake." - Jean-Pierre Garnier, CEO of Glaxosmithkline, June 2006

Sponsored Links