Delaware weekly Republican. [volume] (Wilmington, Del.) 1841-188?, 1857-12-17

HYDROGEN or iEFLAMMABLE AIR After be.
coming acquainted with sCarbon' / shall next
Introduce the reader to another very impor.
| tant constituent of vegetable matter, called in
cheln'c5t language, Hydrogen. 1t was first
| obtained pure by Mr.. Cayendish in 1865, II
Is eolorless gas, permanently elastic, without
taste, and when perfectly pure, without smell.
IL is the lightest body known, being ~ times
! lighter than oxygen, or Is times lighter than
atmospheric 2lrlts specific gravity being Z. 0G94
ana lVV clblc inches ni ii-waiGA inR q fgys
put - tseii III ah eminent degree inflmInable
requiring Reviewer oxygen to support the COM
ouo,i'ni II may be set fire to by any material
lilale req not, it cxplodds when mixed with
?seh OF the atmospheric air forming water
anu IT'S neat when burning is greater than that
Oh any other known material, 1t possesses a
special affinity for oxygen, and BY the union
forms water. The whole phenomena of ducov
aepehd upon the exercise OF this affinity and
many OF the processes engaged in the nutrition
"a pants originate IN the attempt to crafty it.
30. 10 heNGt iouha ~ nature i'll an isolated con-
ulton' water is the most common combIna
ton IN which it is presented, and it NAV he re-
nloVeu ny various process from the oxygen
WIN whlch It is united in this body.
EAAhPLEs.-lst. 70 procure hudyOgen from
IRON S"Phu7c acid, and ,gater.- Put into a
WINE bottle, low iron nails, add some water.
ana then sulphuric acid equal in quantity to
one-iourth oil The wateri the iron nails will in A
ihihute OF TWO become covered with bubbles OF
gas which will rise to the top of the vessel "
Alter allowing the air in the bottle fine 10 es-
cape mold candle, or lighted match, near me
gas as II passes away from the month of tbe
bottle, and by its taking fire it will he known
70 De hydrogen, Ii may be collected in n gIass
jar by aiixng flexible tube on the month If
me bottle and passing tho other end off the
tuoe uhder the shelf oil a pneumatic trough. or
I.Nrf .,t., Al
tho bottle. '-o ''sA VI
-. In this experiment the watar is decomposed,
It's oxygen unites with the metal as it il acted
upon by the acid and the other constituent nr
the water VIZ. hydrogen, being light escapes
upwards. One ounce of iron Yields 782 cnhic
lnches oil gas. On account of the great ebnli-
ton which ensues the bottle should not ha
mere than one third full.
2: 10 procure hydrogen from zinc sufDhuric
acta ahd toafer.-Use some pieces of zinc emf
sn a Instead oil the iron in the last experiment
y anu toiefably pure hydrogen will DO rapidly
liberated, It may be collected as before. Ons
ounce ofzinc yields 67G inches of Gas, n IL
produced more rapidly in this manner than in
the former. t""" III
o: 40 procure hydrogen from lVater.-pass
an iron tube or gun barrel open at both onda
through lire. Make II red hot and TO one and
iesleh ietort holding water, make this water
not ny lighted lamp being placed under the
Fetorl, so that the steam may pass through the
Feu NOT IRON tube. In its transit II will be de-
ypihposel' the oxygen being absorbed by the
gen passes through and may be collected Mt
the other end of the tube, which ought 10 din
under the surface Of water that the gas may be
cooled ana purified. Do my young readers
now understand the term Hydrogen y
FARMERS FRIEND.