TABLE OF THE SPECIFIC HEAT OF EQUAL WEIGHTS OF VARIOUS SUBSTANCES.

_Specific_

_Solid bodies._ _Heat._

Wood (fir and pine) 0.650

„ (oak) 0.570

Ice 0.504

Coal 0.280

Charcoal (animal) 0.260

„ (vegetable) 0.241

Iron (cast) 0.241

Coke 0.201

Limestone 0.200

Glass 0.195

Steel (hard) 0.117

„ (soft) 0.116

Iron (wrought) 0.111

Zinc 0.095

Copper (annealed) 0.094

„ (cold hammered) 0.093

Tin 0.056

Lead 0.031

_Liquids._

Water 1.000

Alcohol 0.158

Acid (pyroligneous) 0.590

Ether 0.520

Acid (acetic) 0.509

Oil (olive) 0.309

Mercury 0.033

_Gases._

Hydrogen 3.409

Vapor of alcohol 0.547

Steam 0.480

Carbonic oxide 0.245

Nitrogen 0.243

Oxygen 0.217

Atmospheric air 0.237

Carbonic acid 0.202

Maxims and Instructions for the Boiler Room Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc. · 第 193 / 328 题