Post on 05-Jan-2016
description
4-1
4-2.1 4-2.2 4-2.3 4-2
Why?
%90(kcal/g)2~33~5.55.5~77~8
H2CH4CO1.2.(CO+H2)C
1.:2. (CO+H2):+3-200-2+2
()()(CnH2n+2)
()
(LPG)()
()1000
-101060107621081-911161-97118100
()()
92 92 8 ()
CH4 + 2 O2CO2+ 2H2OC7H16 + 11O27CO2+8H2O
H2CH4CO COH2
4-3 4-3.1 4-3.2 4-3.3
H2 + 1/2O2H2O
HgO Hg+1/2O2
H () H
H=
H > 0
C(s) +H2O(g) +133 CO(g)+H2(g) C(s) + H2O(g) CO(g)+H2(g) H =133
C(s) + H2O(g)CO(g)+H2(g)
+133KJ
H < 0
H2(g) +1/2O2(g) H2O(l) + 285.8H2(g) +1/2O2(g) H2O(l) H = -285.8- 285.8KJ
2 mol H2 571.6Hn Hn 1 mol H2 285.80.5 mol O2 1 mol H2O(l) 2 mol H2O(l) 1 mol O2
>>
4-4
Zn(s)Zn2+(aq)2e-Cu2+(aq)2e-Cu(s) Zn Cu>e-NO3-NH4+()() NH4 NO3 NH4++NO3-
CPtAu
1.2.1.()2.()3.
((1.5V)()()()
(1.5V)()()()
KOH(aq)NaOH(aq)(1.35V)
(LiI) ()()
2 Li(s) + I2 (s) 2 LiI (s)
(2.0V6)()PbO2()Pb (30%)
+40+2H2SO4()
()
()[NiO(OH)]()( Cd )KOH
1.2 V
() () KOHNaOH
(3.6V)
() ()
()
()()()1.51.51.353.0
()()()2.01.21.23.6
4-5 4-5.1 4-5.2 4-5.3
CH4(g) + 2O2(g) 2H2O(g) + CO2(g) +882.8
()
+ 2 + 9.62108
100
(UPu):
nnnnnnp+p+p+p+++:
E=mc2(kg)(J)13x108 (m/s)
(D2O)()
235 + 1 = 141 + 92 + 3 1 92 + 0 = 56 + 36 + 3 0 1 + 1 = 2 + 02 + 3 = 4 + 1
(=>)
=> ()=> ()
(CH4CO2)
231.4%
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