Appendix G: Properties of Various Substances

Table G1: Properties of various ideal gases (at 300K)

Gas

Formula

R

(kJ/kgK)

Cp

(kJ/kgK)

Cv

(kJ/kgK)

k = Cp/Cv

Air

0.287

1.005

0.718

1.4

Argon

Ar

0.2081

0.5203

0.3122

1.667

Butane

C4H10

0.1433

1.7164

1.5734

1.091

Carbon Dioxide

CO2

0.1889

0.846

0.657

1.289

Carbon Monoxide

CO

0.2968

1.04

0.744

1.4

Ethane

C2H6

0.2765

1.7662

1.4897

1.186

Ethylene

C2H4

0.2964

1.5482

1.2518

1.237

Helium

He

2.0769

5.1926

3.1156

1.667

Hydrogen

H2

4.124

14.307

10.183

1.405

Methane

CH4

0.5182

2.2537

1.7354

1.299

Neon

Ne

0.4119

1.0299

0.6179

1.667

Nitrogen

N2

0.2968

1.039

0.743

1.4

Octane

C8H18

0.0729

1.7113

1.6385

1.044

Oxygen

O2

0.2598

0.918

0.658

1.395

Propane

C3H8

0.1885

1.6794

1.4909

1.126

Steam

H2O

0.4615

1.8723

1.4108

1.327

Table G2: Properties of various liquids (at 300K)

Liquid

Cp

(kJ/kgK)

Ammonia

4.700

Ethanol

2.440

Gasoline

2.220

Mercury

0.1395

Methanol

2.140

Water

4.181

Table G3: Properties of various solids (at 300K)

Solid

Cp

(kJ/kgK)

Aluminum

0.897

Brick

0.840

Carbon, graphite

0.790

Concrete

0.880

Copper

0.385

Gold

0.129

Glass, silica

0.840

Glass, crown

0.670

Glass, flint

0.503

Glass, pyrex

0.753

Granite

0.790

Gypsum

1.090

Lead

0.129

Marble, mica

0.880

Magnesium

1.020

Sand

0.835

Silver

0.233

Soil

0.800

Steel

0.466

Tin

0.227

Tungsten

0.134

Wood

1.70

Zinc

0.387

 

Source:   Wikipedia contributors. (May 1, 2021). Table of specific heat capacities. Wikipedia. https://en.wikipedia.org/wiki/Table_of_specific_heat_capacities, (retrieved June 10, 2021).

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