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Page 16
... mass of alcohol used x.8 . Mass of mercury used ข ΙΟ = = V × 13.6 . ข IO The specific heat of mercury may be taken roughly as '03 ; whilst that of alcohol 6 ( See Chapter VI . ) . Hence the quantity = ข IO of heat required to raise the ...
... mass of alcohol used x.8 . Mass of mercury used ข ΙΟ = = V × 13.6 . ข IO The specific heat of mercury may be taken roughly as '03 ; whilst that of alcohol 6 ( See Chapter VI . ) . Hence the quantity = ข IO of heat required to raise the ...
Page 24
... mass of mercury will in both cases balance the atmospheric pressure , but owing to the expansion of the mercury , the latter will occupy a greater volume at the higher temperature . = Let ho the height of the mercury column , when the ...
... mass of mercury will in both cases balance the atmospheric pressure , but owing to the expansion of the mercury , the latter will occupy a greater volume at the higher temperature . = Let ho the height of the mercury column , when the ...
Page 29
... mass of mercury would form a thread of the same length , in whatever part of the tube it was situated . It has already been remarked that this test is used in the selec- tion of suitable thermometer tubes . It is almost impossible ...
... mass of mercury would form a thread of the same length , in whatever part of the tube it was situated . It has already been remarked that this test is used in the selec- tion of suitable thermometer tubes . It is almost impossible ...
Page 39
... mass of water , for instance , may be poured into vessels of various shapes and sizes , its linear dimensions being thus capable of modification in an infinite number of ways . But through all these modifica- tions the volume of the ...
... mass of water , for instance , may be poured into vessels of various shapes and sizes , its linear dimensions being thus capable of modification in an infinite number of ways . But through all these modifica- tions the volume of the ...
Page 42
... mass of about a pound having been hung from the loop at this end of the tube , the other end is attached to a horizontal arm of a retort stand , Fig . 20. A straw has two holes burnt through it at right angles to its length by means of ...
... mass of about a pound having been hung from the loop at this end of the tube , the other end is attached to a horizontal arm of a retort stand , Fig . 20. A straw has two holes burnt through it at right angles to its length by means of ...
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Common terms and phrases
absolute temperature absorbed adiabatic air thermometer apparatus aqueous vapour atmospheric pressure body boiling point Boyle's Law bulb c.cs calorimeter centimetre coefficient of expansion coefficient of linear compressed condensed constant pressure contained cooling copper corresponding cubical curve cycle cylinder density Describe determined difference distance entropy equal equation experiment EXPT external filled flask freezing point galvanometer gases given glass tube gram gram of water heat engine Hence high temperature hydrogen hygrometer increase initial isothermal kinetic energy latent heat latter length Let us suppose linear expansion liquefied liquid Lond mass means measured melting point mercury thermometer metal method mixture molecules motion obtained paraffin wax passing perature perfect gas performed piece piston placed produced Q₁ quantity of heat Regnault's represents saturated vapour solid solidifying specific heat steam substance T₁ T₂ tempera thermal radiations thermopile therms ture vapour pressure velocity vessel W₁ whilst
Popular passages
Page 272 - It is hardly necessary to add, that anything which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner Heat was excited and communicated in these experiments, except it be MOTION.
Page 368 - It is impossible by means of inanimate material agency to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects.
Page 341 - It is impossible for a selfacting machine, unaided by any external agency to convey heat from one body to another at a higher temperature, or heat cannot of itself pass from a colder to a warmer body.
Page 271 - Ib. of icecold water to boil) could have been furnished by so inconsiderable a quantity of metallic dust ? and this merely in consequence of a change of its capacity for Heat...
Page 306 - Explain why the specific heat of a gas at constant pressure is greater than the specific heat at constant volume.
Page 341 - It is impossible for a self-acting machine, unaided by any external agency, to convey heat from a body at a low to one at a higher temperature;" or " Heat cannot of itself (that is, without the performance of work by some external agency) pass from a cold to a warmer body.
Page 287 - ... the science of thermodynamics." When work is transformed into heat, or heat into work, the quantity of work is equivalent to the quantity of heat.
Page 435 - ... inch Ib. sec. units is -0012 and the latent heat of steam is 536. Find the temperature of the under side of the heating surface. Explain carefully why this is not the temperature of the furnace. 7. Define the thermal conductivity of a substance and describe some way of measuring it. 8. How many units of heat will be conducted in an hour through each square centimetre of an iron plate 0'02 cm. thick, its two sides being kept at the respective temperatures of 0°C. and 50° C., the mean conductivity...
Page 287 - With what velocity must a lead bullet at 50°C. strike against an obstacle in order that the heat produced by the arrest of its motion, if all produced within the bullet, might be just sufficient to melt it?
Page 115 - Again, at constant volume, the pressure of a given mass of gas is proportional to the absolute temperature (p.