✍ Scribed by Henry, T. A.
No coin nor oath required. For personal study only.
cdculntions; weight nnd -olumc; thcr1iiost:its; physicnl propertics of liquids, such ps vnpour pressure, viscosity, etc. ; opticnl mcnsurcmonts; tlic osmotic properties of solutions nnd tlic molcculnr weights of dissolved substnuccs; distribution rntio; conductirity ; clcctromotivc force; velocity of renctioii; tlicr~nocliciiiistry; lictcrogcncous cquilibrin, ns studied by vnpour prcssure nnd solubility; nntl soinc cspcrimcnts on colloids. Thcrc is n i l nppendis contnining t.nblcs of coiistnuts nnd lognritlinis nnd n subject indcs.
Tlie order of tho cspcrinicnts muy be wricd to suit iiidiridunl remiircmcnts, since cncli c1iui)ter is sc~f-coiit:iiiiec~. T I ~C nltci-titioiis siiicc t,hc iirst edition liave becu iiininly in the upturc of cstensions, \vIiicli linvc been introduccd ns supplcincnts to t.hc csist,ing methods.
Tlie iicw iiint.tcr inclutlcs gnseous dissocintion (N20J! NO,); the vnpour prcssures of liquids; tlic viscosity of liiglily viseoils liquids; vnrious potenliornetricmcnsurciiiciits; uutl tlic use of indicators for the determiniition of Iiydrogcii ioii conccntrotion. dttcntion has nlso becri directed to tlic conccpt of tlic activity of strong elcctrolytes.
S i i i i t l i i i i i t l .\lciixics foriii iiscfirl cscrcises in tlic fitking up of nppnrntus, nud the teaclier will, no doubt; use the results to crilciilnte licuts of vnporisntion ctc. I n the rcviemcr's opinion i t \roiild bc desirnble to connect tlicse mcnsurciiieiits closoly with tho vnpour pressures of solutions nfi dctcriiiincd by tlie dilTereiitin1 tcnsiincter in a much lntcr section. Tlic ftilliiig sphere viscometcr is Itno\vn tis a tcchnicnl iiistrumcnt, nnd nlso quite suitriblc for students to innke nnd use. Among tlie iniprovcd methods for dctci*miuing tho molcculnr uvight by t,he clcvption of tho boiling point nrc tliosc of Cottrcll, wliicli avoids errors due to superhcnt~iiig, nnd McCoy, wliicli is very compact. Tlic chnpter on t,licrmostnts will be of rnlric to nll workcrs \die hnrc occ!:sion to usc them. It incluclcs (lie dcsigii of tt pump Iiy \vIiicli wiitcr from t,lic 1.licriiiostnt cnii bc circulntctl through rcfrnctomcter jncltcts ctc.
Potciitioiiiclcr ~ncthods hnvc bceu grcutlg cstended so tlint tlioy now occupy somc A0 ly. Tlic
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