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和1mol 发生反应:2A(g)+B(g)3C(g)+D(g),达到平衡时, 的浓度为W mol/L,若维持容器体积和温度不变,按下列四种方法改变起始物质,达到平衡后,C.的浓度仍为Wmol/L的是 A.4molA+2molBB.2molA+1molB+3molC+1molD C.3molC+1molD+1molB 3molC+1molD
和2mol 发生如下反应2A(g)+B.(g) 3C(g)+D.(g)达到平衡时 的浓度为m mol/L.,若温度不变时按下列4种配比作为起始物质,达到平衡后C.浓度仍为m mol/L.的是 A.2molA+1molBB.2molA+1molB+3molC+1mol C.3molC+1molDD.4molA+2molB+3molC
2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD 1molA+1molB+1.5molC+1molD
3molC+1molD 2molA+2mol C.2molA+1moB+0.5molD 1molA+0.5molB+1.5molC+0.5molD
4molA+2molB 2mol A+1mol B+3mol C+1molD. 3mol C+1mol D+1molB. 3mol C+1molD.
和1 mol ,发生反应:2A(g)+B.(g) 3C(g)+D.(g)达到平衡时, 的浓度为W. mol /L.。若维持容器体积和温度不变,按下列四种方法改变起始物质,达到平衡后,C.的浓度仍为W. mol /L.的是( ) A. 4 molA.+2 molB. B. 2 molA.+1 molB.+3 molC.+1 mol C. 3 molC.+1 molD.+1 molB. D. 3 molC.+1 molD.
4molA + 2molB 2molA+1molB+3molC+1molD 3molC + 1molD + 1molB 3molC+1molD
4molA+2molB 2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD
4molA+2molB 2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD
4molA+2molB 2molA+1molB+1molD 1molA+0.5molB + 1.5molC+0.5molD 3molC+1molB+1molD+1molA
0.3molB和1.4molC为起始物质,达到平衡后,C.的体积分数仍为W%,则x值为 A.1 2 3 4