Hey there! Sign in to join this conversationNew here? Join for free
 You are Here: Home

# calculation question Watch

1. hey, could anyone give me some guidance for part d? I was going to use
deltaH = deltaU + deltaN * R * T but I don't have a temperature so i'm not sure
Attached Images

2. (Original post by jacksonmeg)
hey, could anyone give me some guidance for part d? I was going to use
deltaH = deltaU + deltaN * R * T but I don't have a temperature so i'm not sure
The explosive reaction is creating gas at constant pressure, i.e. the volume is changing ...
3. (Original post by charco)
The explosive reaction is creating gas at constant pressure, i.e. the volume is changing ...
So I should use deltaH = deltaU + P * deltaV?
4. (Original post by jacksonmeg)
So I should use deltaH = deltaU + P * deltaV?
It would appear so ...
5. (Original post by charco)
It would appear so ...
How would I know deltaV though?
6. (Original post by jacksonmeg)
How would I know deltaV though?
Stoichiometry ...
7. (Original post by charco)
Stoichiometry ...
oh right, so deltaV = 4?
8. (Original post by jacksonmeg)
oh right, so deltaV = 4?
No, you have to work it out using the gas laws ...

Reply
Submit reply
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: January 13, 2015
Today on TSR

### UCAS deadline passes

Find help on your application here

### Motivate me!

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.