Heat for Advanced Students |
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Page 33
... closed curve , and the correction for intermediate points determined therefrom ( Fig . 17 ) . If , now , the freezing - point correction is plotted vertically below the o ° abscissa ( if additive ) , or vertically above the o ° abscissa ...
... closed curve , and the correction for intermediate points determined therefrom ( Fig . 17 ) . If , now , the freezing - point correction is plotted vertically below the o ° abscissa ( if additive ) , or vertically above the o ° abscissa ...
Page 82
... closed by soldering , whilst the other end is bent upwards so as to stand at right angles to the plane of the spiral . The tube is first completely immersed in water contained in a rather shallow tin dish , such 1 See Measurement and ...
... closed by soldering , whilst the other end is bent upwards so as to stand at right angles to the plane of the spiral . The tube is first completely immersed in water contained in a rather shallow tin dish , such 1 See Measurement and ...
Page 86
... closed in a glass vessel of which the coefficient of expansion has been determined by the method already described ( p . 66 ) , and if some liquid such as mercury , of which the absolute expansion is known , be introduced so as to fill ...
... closed in a glass vessel of which the coefficient of expansion has been determined by the method already described ( p . 66 ) , and if some liquid such as mercury , of which the absolute expansion is known , be introduced so as to fill ...
Page 92
... closed stopcock downwards . Water is then run out till the meniscus just coincides with the 100 c.c. graduation . Obtain a flat - bottomed flask , together with a watchglass which may be used to close the mouth of the flask during ...
... closed stopcock downwards . Water is then run out till the meniscus just coincides with the 100 c.c. graduation . Obtain a flat - bottomed flask , together with a watchglass which may be used to close the mouth of the flask during ...
Page 93
... closed . Mercury . Total pressure ( p ) . Volume of air contained pv . in Burette ( v ) . You can now fill in columns I and 3 as your observations are made . After the reservoir has been raised as high as possible , readings having been ...
... closed . Mercury . Total pressure ( p ) . Volume of air contained pv . in Burette ( v ) . You can now fill in columns I and 3 as your observations are made . After the reservoir has been raised as high as possible , readings having been ...
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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.