Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Experimental determination of heat capacities and their correlation with
  quantum predictions   This article demonstrates an undergraduate experiment for the determination
of specific heat capacities of various solids based on a calorimetric approach,
where the solid vaporizes a measurable mass of liquid nitrogen. We demonstrate
our technique for the metals copper and aluminum, the semi-metal graphite and
also present the data in relation with Einstein's model of independent harmonic
oscillators and the more accurate Debye model based on vibrational modes of a
continuous crystal. Furthermore, we elucidate an interesting material property,
the Verwey transition in magnetite occurring around 120-140 K. We also
demonstrate that the use of computer based data acquisition and subsequent
statistical averaging helps reduce measurement uncertainties.

18
The categories of this paper are: econ
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
6
The categories of this paper are: astro-ph
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
2
The categories of this paper are: math