Use the heat equation to calculate the energy, in joules, for each of the following (see Table):
a. lost when 15.0 g of ethanol, C2H5OH, cools from 60.5 °C to −42.0 °C
b. lost when 125 g of iron (Fe) cools from 118 °C to 55 °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 |
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.