Conversations on
章节目录
共 33 段- Of the Analogy of Combustion and Respiration. --Animal Heat
- But, pray, Mrs. B., what is the cause of the chemical attrac
- You must observe, however, that this thermometer cannot indi
- Now, that I understand the difference, it no longer surprise
- Nor should we have breathed a cool air; for though it is tru
- [Footnote *: Two pieces of thin glass tubes, sealed at one e
- Because the conversion of the ice into water being completed
- Before we proceed further it will be necessary to give you s
- Such substances may be considered rather as heterogeneous an
- You are not quite correct in your turn, in saying the calori
- And so it would have been, had the gases been closely confin
- No; in the early part of the enquiry a lamp of this kind was
- Phosphorus is sometimes used as a test to estimate the purit
- Yes; there are several kinds of gaseous waters. I forgot to
- That is not in our power, at least in this way. Gold, silver
- Besides those which Sir H. Davy has obtained, there are seve
- The 3d law of chemical attraction is, that _it can take plac
- Yet I think it would have rendered the new nomenclature more
- All the earths are more or less endowed with alkaline proper
- 2dly, Acids that have double or binary radicals, and which c
- You are right, my dear; the phosphoric acid, for general pur
- I procured it from marble. Carbonic acid gas has so strong a
- It is certainly extremely offensive; but by keeping the mout
- During the late troubles in the West-Indies, when Europe was
- It is not impossible but that the coats of their stomachs ma
- Although we cannot actually make wine at this moment, it wil
- _Succin_, or _yellow amber_, is a bitumen which the ancients
- I have said that water forms the chief nourishment of plants
- There is a prejudice among the poor against a species of foo
- CAROLINE.
- I cannot answer this question without entering into an expla
- Perhaps not. But I would strenuously advise you not to place
- muriatic acid = hydrochloric acid