Which substance in table 5.2 requires the smallest amount of energy to increase the temperature of 51.5g of that substance by 10k ?
all of these are specific heats of some substances at 298 k.
so n2(g) is 1.04 j/g-k
al (s) .90 j/g-k
fe (s) .45 j/g-k
hg (l) .14j/g-k
h2o (l) 4.18 j/g-k
ch4 (g) 2.20 j/g-k
co2 (g) .84 j/g-k
caco3 (s) .82 j/g-k