154 TABLE 157.— HEAT CAPACITY OF GASES AND VAPORS (concluded) 



Part 2 



Specific heat 



Mean ratio of 



Range of 

 Substance temperature °C 



Acetone, C3H0O 26-110 



Alcohol, GHsOH 108-220 



Alcohol, CH3OH 101-223 



Benzene, C.H, 34-1 15 



35-180 

 116-218 



Chloroform, CHCh 27-118 



28-189 



Ether, C^oO 69-224 



25-111 



Hydrochloric acid, HC1 13-100 



22-214 



Mercury 



Water vapor, H 2 



100 

 180 



TABLE 158.— SPECIFIC HEAT OF SILICATES 



Mean specific heats cgs 

 0° C to 



True-specific heats 



Silicate 100° 



Albite 1948 



" glass 1977 



Amphibole, Mg silicate. .2033 



glass 2043 



Andesine 1925 



" glass 1934 



Anorthite 1901 



glass 1883 



Cristobalite 1883 



Diopside 1924 



glass 1939 



Microcline 1871 



glass 1919 



Pyroxene 2039 



Quartz 1868 



Silica glass 1845 



Wollastonite — 



glass 1852 



pseudo . . . .1844 



500° 



.236 

 .241 

 .246 

 .247 

 .233 



.229 

 .230 

 .242 

 .231 

 .233 

 .226 

 .232 

 .248 

 .237 

 .230 



.220 

 .217 



.232 .244 



.171 



.197 .243 .262 .272 



* o°— 1100° 



t 0° — 1250° 



SMITHSONIAN PHYSICAL TABLES 



