SATURATED 8TMAM, AM) OTUEH I'APOMS. 11 



Freoch uniu. 



B. For to 100* C., nun. of mercury, 

 \ogA - 8.8512729 - 10. 

 log B - 6.69305 - 10. 

 log a, - 9.9967*58*8 - 10. 

 log ft -0.0068*, II 



C. For 100 to 220* C., mm. of mercury, 

 log A - 8.5495158 - 10. 

 log B - 6.349S1 - 10. 

 logo, - 9.997411296 - 10. 

 log ft - 0.00764 1-. 



English uniU. 



B. For 82 to 212 F., pound* on the square boh. 



log A - 8.5960005 - 10. 



log B - 6.43778 - 10. 



log 14 - 9.998181015 - 10. 



log ft - 0.00381. .1 

 0. For 212 to l> F.. | .Ms on the square inch, 



log A = * - 10. 



tog B - 6.09403 - 10. 



log a, 9.998561831 - 10. 



log ft 0.0042454. 



Heat of the Liquid and Specific Heat A preliminary aeries of expert- 



::>-)f!iaiill that llit- *\ at of water at low temperature 



i- unity. To teat the - .--at at ln-li.-r temperatures, be ran hoi water 



from a boiler, and at a known tcmperatuu-. into a calorimeter in which the 



I from 8 to 14 C.. ami tlu- resulting upper temperature 



varied from 17 to 29 C. Knowing the original weight of water in the 



meter, the weight run in from the boiler, and the initial and final 



:it ures in the caloriiu il< ulated the mean specific beat of water 



tie temperature of the boiler and the final temperatures of the 



:-. A series of forty such uents was made, with the ten* 



re of tii- Ixiilcr varviipj from 108 U> . from which Regnault 



i that the mean specific oeat from to 100 is 1.005 ; and from 0* to 



200, 1 corresiwndiug heat of the liquid, i.e., the beat required 



to raise one kilogram of water from to a given temperature, I, la 



For 100 . . . . 100.5 

 200 ... 203.2 



Assuming an equation of the form 



q - l + A* 4- Br, 



