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Table 2 The compressibility of air and the bulk modulus of air based on Eq. 7 at different temperatures in the gaseous phase

From: Formula of compressibility and using it for air, noble gases, some hydrocarbons gases, some diatomic simple gases and some other fluids

\(\begin{gathered} t \\ (C^{ \circ } ) \\ \end{gathered}\) \(\begin{gathered} \rho_{m} \\ (mg/cc) \\ \end{gathered}\) \(\begin{gathered} \chi_{\rm T} \\ ({\text{MPa}}^{ - 1} ) \\ \end{gathered}\) \(\begin{gathered} {\rm B} \times 10 \\ ({\text{MPa}}) \\ \end{gathered}\) \(\begin{gathered} t \\ (C^{ \circ } ) \\ \end{gathered}\) \(\begin{gathered} \rho_{m} \\ (mg/cc) \\ \end{gathered}\) \(\begin{gathered} \chi_{\rm T} \\ ({\text{MPa}}^{ - 1} ) \\ \end{gathered}\) \(\begin{gathered} {\rm B} \times 10 \\ ({\text{MPa}}) \\ \end{gathered}\)
−25 1.4224 9.8726 1.0129 5 1.2844 9.7480 1.0259
−24 1.4178 9.8647 1.0137 6 1.2798 9.7478 1.0259
−23 1.4132 9.8570 1.0145 7 1.2752 9.7479 1.0259
−22 1.4086 9.8495 1.0153 8 1.2706 9.7483 1.0258
−21 1.4040 9.8424 1.0160 9 1.2660 9.7488 1.0258
−20 1.3994 9.8355 1.0167 10 1.2614 9.7497 1.0257
−19 1.3948 9.8289 1.0174 11 1.2568 9.7508 1.0256
−18 1.3902 9.8225 1.0181 12 1.2522 9.7521 1.0254
−17 1.3856 9.8164 1.0187 13 1.2476 9.7537 1.0252
−16 1.3810 9.8106 1.0193 14 1.2430 9.7556 1.0251
−15 1.3764 9.8050 1.0199 15 1.2384 9.7577 1.0248
−14 1.3718 9.7997 1.0204 16 1.2338 9.7601 1.0246
−13 1.3672 9.7947 1.0210 17 1.2292 9.7627 1.0243
−12 1.3626 9.7899 1.0215 18 1.2246 9.7656 1.0240
−11 1.3580 9.7854 1.0219 19 1.2200 9.7687 1.0237
−10 1.3534 9.7811 1.0224 20 1.2154 9.7721 1.0233
−9 1.3488 9.7771 1.0228 21 1.2108 9.7757 1.0229
−8 1.3442 9.7734 1.0232 22 1.2062 9.7796 1.0225
−7 1.3396 9.7699 1.0236 23 1.2016 9.7838 1.0221
−6 1.3350 9.7667 1.0239 24 1.1970 9.7882 1.0216
−5 1.3304 9.7637 1.0242 25 1.1924 9.7929 1.0211
−4 1.3258 9.7610 1.0245 26 1.1878 9.7978 1.0206
−3 1.3212 9.7585 1.0247 27 1.1832 9.8030 1.0201
−2 1.3166 9.7563 1.0250 28 1.1786 9.8085 1.0195
−1 1.3120 9.7544 1.0252 29 1.1740 9.8142 1.0189
0 1.3074 9.7527 1.0254 30 1.1694 9.8202 1.0183
1 1.3028 9.7512 1.0255 31 1.1648 9.8265 1.0177
2 1.2982 9.7501 1.0256 32 1.1602 9.8330 1.0170
3 1.2936 9.7491 1.0257 33 1.1556 9.8398 1.0163
4 1.2890 9.7484 1.0258 34 1.1510 9.8468 1.0156