Table 4.

Results of the experiments on the heat of mixing of aqueous sulfuric acid with the aqueous sulfur dioxide-hydrochloric acid solution

Experiment	ΔRc	Ea	q	q(dil)	H2SO4(aq)	−ΔH(25 °C)
	Ohm	j/ohm	j	j	m moles	kj/mole
1	0.004509	23169	104.47	+2.85	9.771	10.98
2	.004044	23171	93.70	−2.18	8.647	10.58
3	.004286	23161	99.27	+0.38	9.213	10.82
4	.004418	23172	102.37	+2.01	9.584	10.89
5	.003918	23144	90.68	−3.14	8.319	10.52
Mean						10.76
Standard deviation of the mean						±0.089