Calculate the mass, in grams, for each of the following using Table:
a. a sample of aluminum (Al) that absorbs 1650 J when its temperature increases from 65 °C to 187 °C
b. an iron (Fe) bar that loses 2.52 kJ when its temperature decreases from 252 °C to 75 °C
Table
| Substance | Specific Heat (J/g °C) |
Elements | Aluminium, Al(s) | 0.897 |
Copper, Cu(s) | 0.385 | |
Gold, Au(s) | 0.129 | |
Iron, Fe(s) | 0.452 | |
Silver, Ag(s) | 0.235 | |
Titanium, Ti(s) | 0.523 | |
Components | NH3(g) | 2.04 |
Ethanol, C2H5OH(l) | 2.46 | |
Sodium Chloride, NaCl(s) | 0.864 | |
Water, H2O(l) | 4.184 | |
Water, H2O(s) | 2.03 |
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