Sample data for Experiment 3: Latent & Specific Heat
1:
Lead
Mcal
MPb
Tinitial
Tfinal
Mtotal
196.85g ± 0.05g
227.57g ± 0.05g
20.5º ± 0.1º
23.7º ± 0.1º
582.95g ± 0.05g
Reference Book value
CPb = 0.129 J.g-1.ºC-1
2:
Heat of Fusion
Mcal
Mcw
Troom
Tinitial
Tfinal
Mfinal
196.85g ± 0.05g
407.13g ± 0.05g
21.3º ± 0.1º
31.7º ± 0.1º
10.1º ± 0.1º
461.32g ± 0.05g
Reference Book value
LFusion = 333 J.g-1
3:
Heat of Vapourization
Mcal
Mcw
Troom
Tinitial
Tfinal
Mfinal
196.85g ± 0.05g
461.32g ± 0.05g
23.3º ± 0.1º
11.7º ± 0.1º
36.3º ± 0.1º
474.35g ± 0.05g
Reference Book value
LFusion = 2257 J.g-1
Reference values from:
Kaye, G.W.C. & Laby, T.H.; 1992; Tables of Physical and Chemical Constants,
Longman Scientific; New York.