1-2 若已测得某厂锅炉水平烟道中的烟气组分的体积分数分别为 varphi C(O)_(2)=13.5% varphi S(O)_(2)=0.3% (varphi 0)_(2)=-|||-5.2%, _({N)_(2)}=76% (varphi )_({H)_(2)O}=5% , 试求烟气的密度(按标准状态计)。

2-2 已知某厂1号炉水平烟道中烟气组分的百分数为 _(C{O)_(2)}=13.5% (log )_(5)(O)_(2)=0.3% _({O)_(2)}=

1-2 某工业炉窑烟道中烟气各组分气体的体积百分比分别为 alpha (Co)_(2)=13.5% (O)_(2)=-|||-.3% , _({a)_(2)}

已知: varphi ((R)_(2)|(Cl)^-)=1.36V (varphi )^theta ((O)_(2)|(OH)^-)=0.401V (varph

varphi dfrac ({R)^2}({r)^2}-|||-C.O-|||-○ D. circled (1)(dfrac ({R)^2}({r)^2}-1)

(2) (int )_(0)^dfrac (pi {2)}sin varphi (cos )^3varphi dvarphi ;

^circ -dfrac (4)(2)-|||-:^circ +dfrac ({varphi )^1}(2) D. ^circ -dfrac ({varphi

varphi (x)_(1)/Red1 和 (varphi )_(0)(x)_(2)/Re(d)_(2) 的差别越大,则滴定突跃范围越大-|||-D.滴定条件改

银锌原电池的电池反应为: 2(Ag)^+(c_1) + (Zn) = 2(Ag) + (Zn)^2+(c_2)已知varphi^theta((Ag)^+/(Ag

1.求下列不定积分:-|||-(12) int (cos )^2(omega t+varphi )sin (omega t+varphi )dt;

10.已知电极反应: _(3)Ag(O)_(4)+2(H)^++2(e)^-=!=!= (H)_(3)Ag(O)_(3)+(H)_(2)O-|||-(varph