An Elementary Treatise on Heat |
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Page xvii
... Rise with Temperature ( with Tables ) . · 293 267 Circumstances which influence the Specific Heat of Solids ( with Table ) 294 268 Specific Heat of Liquids : — Regnault's Experiments . - General Results . 295 269 Variation with ...
... Rise with Temperature ( with Tables ) . · 293 267 Circumstances which influence the Specific Heat of Solids ( with Table ) 294 268 Specific Heat of Liquids : — Regnault's Experiments . - General Results . 295 269 Variation with ...
Page 5
... rise , and when this diminishes its temperature is said to fall . It is expedient to discuss at the outset certain fun- damental principles which underlie all measurements of temperature . 12. If there be two substances , as for ...
... rise , and when this diminishes its temperature is said to fall . It is expedient to discuss at the outset certain fun- damental principles which underlie all measurements of temperature . 12. If there be two substances , as for ...
Page 8
... rise in the capillary tube . If the bore be fine enough , a considerable rise may thus be produced even when there is only a small expansion of the mercury , and by this means a very great amount of delicacy may be given to the ...
... rise in the capillary tube . If the bore be fine enough , a considerable rise may thus be produced even when there is only a small expansion of the mercury , and by this means a very great amount of delicacy may be given to the ...
Page 17
... rise takes place does not preserve a constant volume throughout , but , being only at 32 ° , is really of smaller capacity than it was at 212 ° , in the ratio of 1 to 1.0026 : the rise of 176 ° .8 will therefore have to be increased in ...
... rise takes place does not preserve a constant volume throughout , but , being only at 32 ° , is really of smaller capacity than it was at 212 ° , in the ratio of 1 to 1.0026 : the rise of 176 ° .8 will therefore have to be increased in ...
Page 18
... rise of 90 ° must be precisely half of its expansion for a true rise of 180 ° . In the next place , it ought to be borne in mind that the rise of 90 ° takes place in a bore of which the temperature is only 122 ° , and of which therefore ...
... rise of 90 ° must be precisely half of its expansion for a true rise of 180 ° . In the next place , it ought to be borne in mind that the rise of 90 ° takes place in a bore of which the temperature is only 122 ° , and of which therefore ...
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Common terms and phrases
absorbs absorption acid amount of heat antimony aqueous vapour atmosphere bismuth body boiling point Boyle's law Bromine bulb calorimeter carbon carbonic acid chemical coefficient cold colour column condensed conductivity constant temperature dark heat denote density dilatation Dulong and Petit electric enclosure energy equal ether evaporation excess of temperature expansion experiments Fahr flow of heat freezing galvanometer gases Gay Lussac glass gravity heating effect hence high temperature inches of mercury increase instrument iron lamp-black latent heat light liquid luminous means melting metals method millimètres nearly nitrous oxide observed obtained particles pass perature plate polarized pound pressure produced quantity of heat radiant heat radiation rays reflected refrangibility regard Regnault result rock salt shew shewn solid source of heat specific gravity specific heat steam substance suppose surface thermometer tourmaline tube vacuo velocity of cooling vessel volume wave length weight
Popular passages
Page 304 - That the quantity of heat produced by the friction of bodies, whether solid or liquid, is always proportional to the quantity of force expended.
Page 66 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer shall be the genuine standard of length at 62° F., and if lost it shall be replaced by means of its copies.
Page 66 - May one thousand eight hundred and twenty-five, the Straight Line or Distance between the Centres of the Two Points in the Gold Studs in the Straight Brass Rod, now in the Custody of the Clerk of the House of Commons, whereon the Words and Figures
Page 80 - ... passing from the solid to the liquid, and from the liquid to the gaseous form, or the contrary, occasioning endless vicissitudes of temperature over the globe.
Page 82 - ... thermometer, this will very often be sufficient to produce solidification, if not drop in a small crystal. The mass solidifies at once and the temperature rises very considerably. 112. Laws of Fusion. We may thus sum up our results with the following laws of fusion. (1) A substance begins to melt at a temperature, which is constant for the same substance, if the pressure be constant, and is called the melting-point.