When doing an experiment with a calorimeter why is important to keep the lid on?
4 answers
If that is a bomb calorimeter it is important to maintain a constant volume. If it isn't a bomb calorimeter you want to minimize heat transfer out of or into the calorimeter set up.
Melting lead requires 5.91 cal/g. How many joules are required to melt 1.25 lb of lead? (1 lb = 45 g; 1 cal=4.18J)
Convert 1.25 lb to grams.
q = mass Pb x heat fusion = ? cal
Then convert to J.
Post your work if you get stuck.
q = mass Pb x heat fusion = ? cal
Then convert to J.
Post your work if you get stuck.
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