Bomb calorimeter → constant volume:
Coffee cup calorimeter → constant pressure, but volume changes
Therefore, qsoln from coffe cup calorimeter is lower than for bomb calorimeter
The same reaction, with exactly the same amount of reactant, is conducted in a bomb calorimeter and in a coffee-cup calorimeter. In one of the calorimeters, qrxn = -12.5 kJ and in the other qrxn = -11.8 kJ. Which value was obtained in the bomb calorimeter? (Assume that the reaction has a positive ΔV in the coffee-cup calorimeter.)
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What scientific concept do you need to know in order to solve this problem?
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