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    I did and experiment where I used calorimetry to measure the change in temperature of a reaction. From this I worked out deltaH. I now have to work out deltaG. I have the equation deltaG = -RTlnK, and i know K, but I was wondering what temperature I use? Do I use the final temperature that the reaction reached or the change in temperature during the reaction? Any help would appreciated thanks
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    It's the temperature the reaction was carried out at. If temperature changed use the highest recorded temperature or the average temperature.

    If they were refering to the change in temperature it would have been deltaT. Anything with a delta in front means 'change in'.
 
 
 
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