1/5单选题
难度：
1.
等质量的铁与过量的盐酸在不同的实验条件下进行反应，测定在不同时间t产生氢气体积V的数据，根据数据绘制得到下图，则曲线a所对应的实验组别是
| A | A |
| B | B |
| C | C |
| D | D |
- 提示1：
- PHA+5Zu+5LitYeabsue6v+acgOWFiOi+vuWIsOW5s+ihoe+8jOS5n+WwseaYr+mAn+eOh+acgOW/qzwvcD4=
- 提示2：
- PHA+5rWT5bqm6LaK5aSn44CB5rip5bqm6LaK6auY77yM5Y+N5bqU6YCf546H6LaK5aSn44CCPC9wPg==
- 提示3：
- PHA+5o6l6Kem6Z2i5o6l6LaK5aSn77yM5Y+N5bqU6YCf546H6LaK5aSn44CCPC9wPg==
正确答案：Qw==
PHA+5Zu+5LitYeabsue6v+acgOWFiOi+vuWIsOW5s+ihoe+8jOS5n+WwseaYr+mAn+eOh+acgOW/q+OAgjxicj7lho3liIbmnpDooajmoLzvvIzmtZPluqblkozmuKnluqZB6aG55Z2H5Li65pyA5bCP77yM5pWF5Y+v55u05o6l5o6S6Zmk44CCPGJyPkLjgIFD44CBROS4iemhuea1k+W6puebuOWQjO+8jELpobnmuKnluqbovoPkvY7vvIzmjpLpmaRC6aG544CCPGJyPkPjgIFE5Lik6aG55Lit77yM57KJ5pyr54q25Y+N5bqU6YCf546H5pyA5aSn44CC5pWF6YCJQ+OAgjwvcD4=
2/5单选题
难度：
2.下列各表述与示意图一致的是（ ）
| A | 图①表示反应N2（g）+O2（g） 2NO（g）；△H＞0。正、逆反应的速率随温度的变化 |
| B | 图②表示反应N2（g）+3H2（g）2NH3（g）；△H＜0。正、逆反应的平衡常数随温度的变化 |
| C | 图③表示氨水的电离平衡常数随氨水浓度c（NH3•H2O）的变化 |
| D | 图④表示25℃时，用0.1mol•L-1NaOH溶液滴定20mL 0. lmol•L-1盐酸，溶液的pH随加入碱体积的变化 |
- 提示1：
- IOa4qeW6puWNh+mrmO+8jOato+mAhuWPjeW6lOmAn+eOh+mDveWinuWkpw==
- 提示2：
- IELpobnkuK3lj43lupTkuLrmlL7ng63lj43lupTvvIzljYfpq5jmuKnluqblkI7lubPooaHlkJHnnYDpgIblkJHnp7vliqjvvIzmiYDku6XpgIblj43lupTnmoTlubPooaHluLjmlbDlop7lpKfvvIzmraPlj43lupTnmoTlubPooaHluLjmlbDlh4/lsI/vvIzogIzlm77osaHkuK3ovr7liLDlubPooaHlkI7ljYfpq5jmuKnluqbvvIzpgIblj43lupTnmoTlubPooaHluLjmlbDlh4/lsI/jgIHmraPlj43lupTnmoTlubPooaHluLjmlbDlop7lpKfkuI7lrp7pmYXkuI3nm7jnrKY=
- 提示3：
- IOawqOawtOeahOeUteemu+W5s+ihoeW4uOaVsOS4jua1k+W6puayoeacieWFs+ezu++8jOWPquWPl+a4qeW6pueahOW9seWTje+8jOaJgOS7pea4qeW6puS4jeWPmO+8jOeUteemu+W5s+ihoeW4uOaVsOS4jeWPmA==
正确答案：RA==
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
3/5单选题
难度：
3.某密闭容器中充入等物质的量的气体A和B，一定温度下发生反应是：A（g）+xB（g）
2C（g），达到平衡后，只改变反应的一个条件，测得容器中物质的浓度、反应速率随时间变化的如图所示. 下列说法中正确是
2C（g），达到平衡后，只改变反应的一个条件，测得容器中物质的浓度、反应速率随时间变化的如图所示. 下列说法中正确是 | A | 30min时降低温度，40min时升高温度 |
| B | 使用催化剂可以提高反应物的转化率 |
| C | 反应方程式中的x=1，正反应为吸热反应 |
| D | 8min前正反应速率大于逆反应速率 |
- 提示1：
- IEHpobnkuK3vvIzlpoLmnpwzMCBtaW7lpITpmY3muKnvvIzlubPooaHkvJrnp7vliqjvvIzlm77lg4/kuI7mraTkuI3nrKbjgII=
- 提示2：
- IOWCrOWMluWJguiDveaUueWPmOWFtuS7lueJqei0qOeahOWMluWtpuWPjeW6lOmAn+eOh++8jOS4jeWPr+S7peaPkOmrmOWPjeW6lOeJqeeahOi9rOWMlueOhw==
- 提示3：
- IOagueaNrua1k+W6pi3ml7bpl7Tlm77vvIzlj43lupTkuK1B5LiOQua1k+W6pueahOWPmOWMlumHj+WujOWFqOebuOetieOAguivgeaYjkHkuI5C55qE57O75pWw55u4562J77yMPGk+eDwvaT49MeOAgg==
- 提示4：
- 5Zug5q2k77yM5Y+N5bqUQe+8iGfvvIkrPGk+eDwvaT5C77yIZ++8iTxpbWcgd2lkdGg9MzggaGVpZ2h0PTIwIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNTgvMjcvckJBQ0psVDViQ2p6b0xrOEFBQUJCZXhEdXo0OTUwLnBuZyI+MkPvvIhn77yJ5piv5LiA5Liq5YmN5ZCO5L2T56ev5LiN5Y+Y55qE5Y+N5bqU44CC
- 提示5：
- NC44bWlu5YmN5q2j5Y+N5bqU6YCf546H77yaPGk+djwvaT7vvIhB77yJPTxpbWcgd2lkdGg9MzQgaGVpZ2h0PTM5IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNTgvMjcvckJBQ0psVDViQ2lndWdsU0FBQUNBcFN0UnI4MTUxLnBuZyI+77yb6YCG5Y+N5bqU77yaPGk+djwvaT7vvIhj77yJPTxpbWcgd2lkdGg9MzIgaGVpZ2h0PTM5IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOEQvMkIvckJBQ0UxVDViQ2lSTVd5YUFBQUI0LTRJN0R3MTk4LnBuZyI+77yb5bCG5YW26L2s5YyW5Li65ZCM5LiA56eN54mp6LSo6KGo56S655qE5Y+N5bqU6YCf546H77yM5YiZ5Y+v5Lul5q+U6L6D5q2j6YCG5Y+N5bqU6YCf546H5aSn5bCP44CC
正确答案：RA==
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
4/5单选题
难度：
4.现有下列四个图象，下列反应中全部符合上述图象的反应是（ ）
| A | N2（g）+3H2（g）2NH3（g）；△H＜0 |
| B | 2SO3（g）2SO2（g）+O2（g）；△H＞0 |
| C | 4NH3（g）+5O2（g）4NO+6H2O（g）；△H＜0 |
| D | H2（g）+CO（g）C（s）+H2O（g）；△H＞0 |
- 提示1：
- IOeUseesrOS4gOS4quWSjOesrOS6jOS4quWbvuixoeWPr+efpeWNh+mrmOa4qeW6pueUn+aIkOeJqeeahOa1k+W6puWinuWkp++8jOivtOaYjuW5s+ihoeWQkeato+WPjeW6lOaWueWQkeenu+WKqO+8jOivtOaYjuato+WPjeW6lOWQuOeDrQ==
- 提示2：
- IOeUseesrOWbm+S4quWbvuixoeWPr+efpe+8jOWOi+W8uuWinuWkp+W5s+ihoeWQkemAhuWPjeW6lOaWueWQkeenu+WKqO+8jOe7k+WQiOWbvuS4ie+8jOWImeWPjeW6lOeJqeeahOawlOS9k+eahOiuoemHj+aVsOS5i+WSjOWwj+S6jueUn+aIkOeJqeawlOS9k+eahOWMluWtpuiuoemHj+aVsOS5i+WSjA==
正确答案：Qg==
55Sx56ys5LiA5Liq5ZKM56ys5LqM5Liq5Zu+6LGh5Y+v55+l5Y2H6auY5rip5bqm55Sf5oiQ54mp55qE5rWT5bqm5aKe5aSn77yM6K+05piO5bmz6KGh5ZCR5q2j5Y+N5bqU5pa55ZCR56e75Yqo77yM6K+05piO5q2j5Y+N5bqU5ZC454Ot77yM5Y+v5o6S6ZmkQeOAgUPpgInpobnvvIw8YnI+55Sx56ys5Zub5Liq5Zu+6LGh5Y+v55+l77yM5Y6L5by65aKe5aSn5bmz6KGh5ZCR6YCG5Y+N5bqU5pa55ZCR56e75Yqo77yM57uT5ZCI5Zu+5LiJ77yM5YiZ5Y+N5bqU54mp55qE5rCU5L2T55qE6K6h6YeP5pWw5LmL5ZKM5bCP5LqO55Sf5oiQ54mp5rCU5L2T55qE5YyW5a2m6K6h6YeP5pWw5LmL5ZKM77yM5Y+v5o6S6ZmkROmAiemhue+8jOaVhemAiUIuIA==
5/5单选题
难度：
5.一定温度下，在2L的密闭容器中发生如下反应：A（s）+2B（g）
xC（g）；△H＜0，B、C的物质的量随时间变化的关系如图1，达平衡后在t1、t2、t3、t4时都只改变了一种条件，逆反应速率随时间变化的关系如图2.
下列有关说法正确的是
xC（g）；△H＜0，B、C的物质的量随时间变化的关系如图1，达平衡后在t1、t2、t3、t4时都只改变了一种条件，逆反应速率随时间变化的关系如图2. 下列有关说法正确的是
| A | x=2，反应开始2min内，v（B）=0.1mol/（L•min） |
| B | t1时改变的条件是降温，平衡逆向移动 |
| C | t2时改变的条件可能是增大c（C），平衡时B的物质的量分数增大 |
| D | t3时可能是减小压强，平衡不移动；t4时可能是使用催化剂，c（B）不变 |
- 提示1：
- 6YCa6L+H6L6+5bmz6KGh5pe25Lik54mp6LSo55qE5Y+Y5YyW6YeP5LmL5q+U562J5LqO5YyW5a2m6K6h6YeP5pWw5LmL5q+U77yM5Y+v5Lul5rGC5Ye6PGk+eDwvaT7lkow8aT52PC9pPu+8iELvvIk=
- 提示2：
- IOato+WPjeW6lOS4uuaUvueDreWPjeW6lO+8jOW9k+mZjeS9jua4qeW6pu+8jOWPjeW6lOato+WQkeenu+WKqO+8jOato+mAhumAn+eOh+mDveWHj+Wwj++8jOW5tuS4lOato+WPjeW6lOmAn+W6pumZjeS9jueahOW5heW6puWwjw==
- 提示3：
- IOW9k+WinuWKoGPvvIhD77yJ77yM5Y+N5bqU6YCG5ZCR56e75Yqo77yM6YCG5Y+N5bqU55qE6YCf546H5aKe5Yqg5bmF5bqm5pu05aSn77ybQueahOeJqei0qOeahOmHj+WinuWkp++8jOS9huWPjeW6lOi+vuW5s+ihoeaXtuS4juWOn+adpeeahOW5s+ihoeWPr+S7peinhuS4uuetieaViOW5s+ihoe+8jELnmoTnianotKjnmoTph4/nmoTnmb7liIbmlbDlubbkuI3lj5jjgII=
- 提示4：
- 5Y+N5bqU5YmN5ZCO5rCU5L2T55qE54mp6LSo55qE6YeP5LiN5Y+Y77yM5YeP5bCP5Y6L5by677yM5ZCM562J56iL5bqm6ZmN5L2O6YCf546H77yM5bmz6KGh5LiN56e75Yqo77yM5L2/55So5YKs5YyW5YmC77yM5ZCM562J56iL5bqm5Yqg5b+r5Y+N5bqU6YCf546H77yM5bmz6KGh5LiN56e75Yqo
正确答案：RA==
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