Chemistry and Chemical Reactivity (9th Edition)

We find: a) $2\ g\times 0.385\ J/g.K\times 10\ K=7.7\ J$ b) $4\ g\times 0.127\ J/g.K\times 10\ K=5.1\ J$ c) $3\ g\times 0.236\ J/g.K\times 10\ K=7.1\ J$