)(m)^2cdot mo(l)^-1-|||-_(m)(NaOH)=2.172times (10)^-2(S)_(cdot cdot )(m)^2cdot mo(l)^-1 和-|||-_(m)(N(H)_(4)Cl)=1.298times (10)^-2(S)_(cdot cdot )(m)^2cdot mo(l)^-1 NH3·H2O 2O在-|||-浓度为 .1molcdot (dm)^-3 时的摩尔电导率-|||-_(m)=3.09times (10)^-4(S)_(cdot cdot )(m)^2cdot mo(l)^-1, 浓度为 .01molcdot (dm)^-3-|||-时的摩尔电导率 _(m)=9.62times (10)^-4(S)_(cdot cdot )(m)^2cdot mo(l)^-1 试根据-|||-上述数据求NH3·H 2O的两种不同浓度溶液的解离度和解-|||-离常数。

32.声压为 cdot (m)^-2 ,声阻抗为 cdot (m)^-2cdot (s)^-1 的声音的声强为[ ]。-|||-cdot (m)^-2cdot

8.24在298 K时,已知 _(m) NaCl =1.2639times (10)^-2 (S)^2cdot (mol)^-1 ,_(m)^infty (N

反应 (g)+2Y(g)=3Z(g) 在恒压和1000K时的 Delta (H)_(m) 为 cdot mo(L)^-1 Delta (S)_(m) 为-|||

-285.8 -132.5 -230.0-|||-_(m)/(1cdot (K)^-1cdot mo(L)^-1) 111.3 69.9 113.4 -10.7

([ {(Si{O)_(2))}_(m)cdot n(S{O)_(3)}^2-cdot 2(n-x)(H)^+] }^2x--|||-C. ((Si{O)_(2

27.C6H6的正常熔点为5℃,摩尔熔化焓为 ] cdot mo(l)^-1,-|||-_(P(m))=126.8Jcdot (k)^-1cdot mo(l)^

(a)_(m)+(b)_(1)+(b)_(2)+... +(b)_(n)}(m+n)=-|||-dfrac (m)(m+n)cdot dfrac ({a)_(1

667 6.667 6.664设测定值总体为^-11(m)^3cdot k(g)^-1 s^-2,^-11(m)^3cdot k(g)^-1 s^-2,

]含氨极少的空气于101.33 kPa,20℃被水吸收。已知气膜传质-|||-系数 _(c)=3.15times (10)^-6kmol/((m)^2cdot

例12.1 用一外径为25 mm,壁厚为2mm的钢管做换热表面。已知管外烟气侧-|||-_(1)=100W/((m)^2cdot R), 管内侧 _(2)=40