苯乙烯溶液浓度0.20 mol·, 过氧类引发剂浓度为4.0*mol·, 在60℃下聚合,如引发剂半衰期44h, 引发剂效率f=0.80,,欲达到50%转化率,需多长时间?/ananas/latex/p/23809/ananas/latex/p/475/ananas/latex/p/2380956dfa303e4b0b07fe6c6b3b5.png
举一反三
- 配制 a Lb mol/L的H2SO4溶液需质量分数为密度为的H2SO4溶液a*b*M(H2SO4)/1000* ml/ananas/latex/p/309/ananas/latex/p/865/ananas/latex/p/865/ananas/latex/p/309
- (复习)在25℃时,已知碳酸钙的溶度积为4.96×,现测得在25℃时Ca2+离子浓度为4.96×M,浓度为2×M,则该溶液:/ananas/latex/p/23823/ananas/latex/p/474/ananas/latex/p/31870/ananas/latex/p/475
- 2 mol单原子理想气体其=J.K;=J.K/ananas/latex/p/1274951/ananas/latex/p/689/ananas/latex/p/1275206http://mooc1.hnsyu.net/ananas/latex/p/689
- A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则: (1)是____; (2)是______; (3)是______; (4)是______; (5)是______; (6)是______; (7)是______; (8)是______; (9)是______; (10)是______; (11)是______; (12)是______; (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597
- 已知,AgCl在0.01 mol/L NaCl溶液中的溶解度为mol/L。/ananas/latex/p/854138/ananas/latex/p/854140