Difference between revisions of ".Mzc2.NzUwNA"
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ber) 17 degrees less than it was in the months of | ber) 17 degrees less than it was in the months of | ||
August and September. | August and September. | ||
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108. I hope this paradox will be explained, and | 108. I hope this paradox will be explained, and | ||
that the principles which may clear it up will draw | that the principles which may clear it up will draw | ||
| − | useful consequences along with them. Those | + | useful consequences along with them. Those philosphers |
| − | + | who look upon evaporation as a dissolution | |
of water by air in the manner of menstrua, that | of water by air in the manner of menstrua, that | ||
is, by affinity, will easily apply their principle to the | is, by affinity, will easily apply their principle to the | ||
| − | solution of part of these phaenomena The | + | solution of part of these phaenomena The dissolution |
| − | + | is greater when the menstruum is warmer, and | |
consequently the air must keep a greater quantity of | consequently the air must keep a greater quantity of | ||
water in dissolution, and suffere a less part of it to | water in dissolution, and suffere a less part of it to | ||
be precipitated, in summer than in winter. I can- | be precipitated, in summer than in winter. I can- | ||
not but allow that this system is extremely specious, | not but allow that this system is extremely specious, | ||
| − | and that many phznomena are very happily | + | and that many phznomena are very happily explained |
| − | + | by means of it. This is what Mr le Roy | |
has shewn us in the memoir I have already quoted ; | has shewn us in the memoir I have already quoted ; | ||
in which, without contending that ai r really acts as | in which, without contending that ai r really acts as | ||
a menstruum with respect to water, he demonstrates, | a menstruum with respect to water, he demonstrates, | ||
| − | by a parallel very well kept up, that all the | + | by a parallel very well kept up, that all the chemical |
| − | + | expressions concerning dissolutions may with | |
| − | propriety be applied to describe the several | + | propriety be applied to describe the several phaenomena |
| − | + | be examines, relative to the elevation and | |
| − | suspension of water in air, as well as to its | + | suspension of water in air, as well as to its precipitation |
| − | + | under different forms | |
109. If it was not too common a practice, to | 109. If it was not too common a practice, to | ||
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these chemical expressions very conveniently adapted | these chemical expressions very conveniently adapted | ||
to explain a number of these phaenomena. But I | to explain a number of these phaenomena. But I | ||
| − | have rejected them here, on account of this | + | have rejected them here, on account of this consideration; |
| − | + | that when I took in a greater number | |
of phaenomena, I found them no longer accurate, | of phaenomena, I found them no longer accurate, | ||
any more than the general idea of the dissolu- | any more than the general idea of the dissolu- | ||
| − | tion | + | |
| + | [[catchword]] tion [[/catchword]] | ||
Latest revision as of 09:07, 20 October 2018
[ 55 ]
ber) 17 degrees less than it was in the months of August and September.
108. I hope this paradox will be explained, and that the principles which may clear it up will draw useful consequences along with them. Those philosphers who look upon evaporation as a dissolution of water by air in the manner of menstrua, that is, by affinity, will easily apply their principle to the solution of part of these phaenomena The dissolution is greater when the menstruum is warmer, and consequently the air must keep a greater quantity of water in dissolution, and suffere a less part of it to be precipitated, in summer than in winter. I can- not but allow that this system is extremely specious, and that many phznomena are very happily explained by means of it. This is what Mr le Roy has shewn us in the memoir I have already quoted ; in which, without contending that ai r really acts as a menstruum with respect to water, he demonstrates, by a parallel very well kept up, that all the chemical expressions concerning dissolutions may with propriety be applied to describe the several phaenomena be examines, relative to the elevation and suspension of water in air, as well as to its precipitation under different forms
109. If it was not too common a practice, to conclude things from words, I should in fact think these chemical expressions very conveniently adapted to explain a number of these phaenomena. But I have rejected them here, on account of this consideration; that when I took in a greater number of phaenomena, I found them no longer accurate, any more than the general idea of the dissolu-
catchword tion /catchword
