(a) Which substance in Table requires the smallest amount of energy to increase the temperature of 50.0 g of that substance by 10 K?
Table Specific Heats of Some Substances at 298 K
Elements | Compounds | ||
Substance | Specific Heat ( J/g-K) | Substance | Specific Heat (J/g-K) |
N2(g) | 1.04 | H2O(l) | 4.18 |
Al(s) | 0.90 | CH4(g) | 2.20 |
Fe(s) | 0.45 | CO2(g) | 0.84 |
Hg(l) | 0.14 | CaCO3(s) | 0.82 |
(b) Calculate the energy needed for this temperature change.
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