## Summary of Units

$\Delta G^{\circ}= \Delta H^{\circ} - T \Delta S^{\circ}$

$\Delta G^{\circ}= -RT\ln K$

$\Delta G^{\circ}= \sum \Delta G_{f}^{\circ}(products) - \sum \Delta G_{f}^{\circ}(reactants)$

Ellis Song 4I
Posts: 102
Joined: Thu Jul 11, 2019 12:17 am

### Summary of Units

q = J
w = J
$\Delta U$ = J
$\Delta H$ = J/mol, J/g
$\Delta S$ = J/K, J/°C
$\Delta G$ = J
k/Q = no units

Feel free to correct me or add on

KaleenaJezycki_1I
Posts: 127
Joined: Sat Aug 17, 2019 12:18 am
Been upvoted: 2 times

### Re: Summary of Units

Will it matter on the midterm what we leave our answers in, if not specified explicitly in the problem?

LBacker_2E
Posts: 104
Joined: Wed Sep 18, 2019 12:21 am
Been upvoted: 1 time

### Re: Summary of Units

My TA said it is better to use kJ for ∆H, and J for the other values. Do you think this is really important, or is it just a preference?

Jialun Chen 4F
Posts: 108
Joined: Sat Sep 07, 2019 12:16 am

### Re: Summary of Units

LBacker_2E wrote:My TA said it is better to use kJ for ∆H, and J for the other values. Do you think this is really important, or is it just a preference?

To me, it seems to be a personal preference. Either would work.