Table 3.
Electromotive forces and thermodynamic data for standard cells of the saturated cadmium sulfate type
| Temperature | Electromotive force, V | Gibbs energy change, ΔG | |||||
|---|---|---|---|---|---|---|---|
| °C | Int | Abs48 & t48 | Abs69 & t48 | Abs69 & t68b | σm (μV) | (J mol‒1)c | (cal mol‒1)d |
| 0 | 1.0186520 | 1.0189881 | 1.0189968 | 1.0189967 | 8.14 | ‒196,639.9(4.8) | ‒46,998.0(1.1) |
| 3 | 1.0186665 | 1.0190026 | 1.0190112 | 1.0190112 | 8.12 | ‒196,642.7(4.8) | ‒46,998.6(1.1) |
| 5 | 1.0186615 | 1.0189976 | 1.0190061 | 1.0190062 | 8.10 | ‒196,641.7(4.8) | ‒46,998.4(1.1) |
| 10 | 1.0186010 | 1.0189371 | 1.0189456 | 1.0189455 | 8.08. | ‒196,630.0(4.8) | ‒46,995.6(1.1) |
| 15 | 1.0184780 | 1.0188141 | 1.0188226 | 1.0188224 | 8.07 | ‒196,606.2(4.8) | ‒46,989.9(1.1) |
| 18 | 1.0183773 | 1.0187133 | 1.0187219 | 1.0187216 | 8.06 | ‒196,586.8(4.8) | ‒46,985.3(1.1) |
| 20 | 1.0183000 | 1.0186360 | 1.0186445 | 1.0186442 | 8.06 | ‒196,571.8(4.8) | ‒46,981.7(1.1) |
| 25 | 1.0180745 | 1.0184105 | 1.0184190 | 1.0184185 | 8.07 | ‒196,528.3(4.8) | ‒46,971.3(1.1) |
| 28 | 1.0179195 | 1.0182554 | 1.0182639 | 1.0182634 | 8.08 | ‒196,498.4(4.8) | ‒46,964.1(1.1) |
| 30 | 1.0178090 | 1.0181448 | 1.0181533 | 1.0181528 | 8.08 | ‒196,477.0(4.8) | ‒46,959.0(1.1) |
| 35 | 1.0175110 | 1.0178467 | 1.0178552 | 1.0178547 | 8.09 | ‒196,419.5(4.8) | ‒46,945.3(1.1) |
| 40 | 1.0171880 | 1.0175236 | 1.0175323 | 1.0175317 | 8.10 | ‒196,357.2(4.8) | ‒46,930.4(1.1) |
| 43.6a | 1.0169446 | 1.0172797 | 1.0172886 | 1.0172878 | 8.11 | ‒196,310.1(4.8) | ‒46,919.2(1.1) |