选择题 下列反应中符合图像的是 ( )
![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/plkrvvh2nqr.png\" style=\"vertical-align:middle;\">
A．N2(g)＋3H2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2NH3(g) ΔH＜0
B．2SO3(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2SO2(g)＋O2(g)ΔH＞0
C．4NH3(g)＋5O2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">4NO(g)＋6H2O(g)ΔH＜0
D ．H2(g)＋CO(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">C(s)＋H2O(g) ΔH＞0
选择题 下列反应中符合图像的是 ( )
![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/plkrvvh2nqr.png\" style=\"vertical-align:middle;\">
A．N2(g)＋3H2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2NH3(g) ΔH＜0
B．2SO3(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2SO2(g)＋O2(g)ΔH＞0
C．4NH3(g)＋5O2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">4NO(g)＋6H2O(g)ΔH＜0
D．H2(g)＋CO(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">C(s)＋H2O(g) ΔH＞0
本题答案：B
本题解析：
试题分析：N2(g)＋3H2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2NH3(g) ΔH＜0，升高温度，平衡逆向移动，生成物的浓度降低，图像Ⅰ不符合，A错误；2SO3(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">2SO2(g)＋O2(g)ΔH＞0，升高温度，平衡正向移动，生成物的浓度升高，增大压强，平衡逆向移动，v(逆)>V(正)，图像Ⅰ、Ⅱ都符合，B正确；4NH3(g)＋5O2(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">4NO(g)＋6H2O(g)ΔH＜0 升高温度，平衡逆向移动，生成物的浓度降低，图像Ⅰ不符合，C错误；H2(g)＋CO(g)![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/f5wamt4uz45.png\" style=\"vertical-align:middle;\">C(s)＋H2O(g) ΔH＞0，增大压强，平衡正向移动，V(正) >v(逆)，图像Ⅱ不符合，D错误。
考点：考查化学平衡图像。
本题所属考点：【化学平衡】
本题难易程度：【一般】
Be slow to promise and quick to perform. 允诺宜缓，履行宜速。
