The same reaction in a bomb and coffee-cup calorimeter:
a. will give the same value of Hrxn because it is the same reaction.
b. will give the same value for Hrxn because both systems are identical.
c. will give the same values because both systems are at constant temperature.
d. will give slightly different values because the coffee-cup calorimeter will do some PV work.
e. will give slightly different values because the bomb calorimeter will do some PV work
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Based on our data, we think this problem is relevant for Professor Fakhreddine's class at TEXAS.