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试题答案

本文从以下几个角度介绍。

    6、旬阳市2025年春季学期八年级期末质量检测试题(7月)地理试题


    1、旬阳市2025年春季学期八年级期末质量检测试题(7月)生物试题


    What’s the best title for this passage
    A. Payment ways in the future. B. WeChat payment in the world.
    C. Will paper money disappear D. Why people use WeChat Pay
    C
    As a child, what did you want to be when you grew up If you were like most children, you probably let your imagination run wild. Maybe you dreamed of flying into space or being a famous cook. Then perhaps over the years, your dreams became more realistic(现实的). Or you might have given up some altogether.
    It’s important to have dreams because dreams can give us the energy to succeed in life. Dreams inspire(激励) us. They might take a few years or they might take a lifetime to achieve. The important thing is that you’re always working for your dream. And the best way to do that is by setting goals.
    What is the difference between a dream and a goal It’s been said that dreams are the final destination(终点); goals are the stops along the way. Dreams can be very general. But the steps you take should be very specific. Your dreams mean what you want, but goals tell how you’ll get there. That makes goal set a necessary step in reaching your dreams.


    Narrator：The princess slammed the door in the frog's face with a big BANG.
    King：I heard a door slam.What's happening？If you made a promise，you must honor it.
    Narrator：The princess was angry but obeyed her father.So，the king.the princess，and the frog enjoyed dinner together.It was mutton stew，the cook's specially.
    Frog：I was hungry，but now I'm full.Thank you for dinner.Kindly show me to my bed now.
    Narrator：The princess did as she was asked，but the frog looked sad.
    Frog：You have welcomed me into your home，but I can tell that you don't want to be my friend.
    Narrator：The princess's face went red，for what the frog said was true.She bent down to kiss the frog，but ended up kissing a prince.


    3、旬阳市2025年春季学期八年级期末质量检测试题(7月)化学答案


    5、旬阳市2025年春季学期八年级期末质量检测试题(7月)历史答案


    5、旬阳市2025年春季学期八年级期末质量检测试题(7月)生物学答案


    3、旬阳市2025年春季学期八年级期末质量检测试题(7月)化学答案


    6、旬阳市2025年春季学期八年级期末质量检测试题(7月)英语试题


    3、旬阳市2025年春季学期八年级期末质量检测试题(7月)语文答案


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    (1)在总压分别为0.10、0.50、1.0、2.0 MPa下,Ni(s)和CO(g)反应达平衡时,Ni(CO)4的体积分数x与温度的关系如图所示。反应Ni(s)+4CO(g)Ni(CO)4(g)的ΔH　　　　(填“大于”或“小于”)0。从热力学角度考虑,　　　　　　　　　　　　有利于Ni(CO)4的生成(写出两点)。p3、100 ℃时CO的平衡转化率α=　　　,该温度下平衡常数Kp=　　　　 (MPa)-3。
    (2)对于同位素交换反应Ni(C16O)4+C18ONi(C16O)3C18O+C16O,20 ℃时反应物浓度随时间的变化关系为ct[Ni(C16O)4]=(k为反应速率常数),则Ni(C16O)4反应一半所需时间=　　　　(用k表示)。
    13.(10分)(2025·八省联考内蒙古卷)在传统克劳斯工艺制备S2的基础上,科研工作者提出分解H2S制备S2同时获取H2的新方法,反应如下:
    反应1:2H2S(g)+O2(g)2H2O(g)+S2(g)　ΔH1
    反应2:2H2S(g)2H2(g)+S2(g)　ΔH2
    (1)传统克劳斯工艺反应如下,则ΔH1=　　　　　　。
    2H2S(g)+3O2(g)2SO2(g)+2H2O(g)　ΔH3=-1 036 kJ·mol-1


    3、旬阳市2025年春季学期八年级期末质量检测答案(7月)化学答案