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"If there were none of this playing at generosity in warfare, we should never go to war, except for something worth facing certain death for, as now. Then there would not be wars because Pavel Ivanitch had insulted Mihail Ivanitch. But if there is war as now, let it be really war. And then the intensity of warfare would be something quite different. All these Westphalians and Hessians Napoleon is leading against us would not have come to fight us in Russia, and we should not have gone to war in Austria and in Prussia without knowing what for.War is not a polite recreation, but the vilest thing in life, and we ought to understand that and not play at war. We ought to accept it sternly and solemnly as a fearful necessity. It all comes to this: have done with lying, and if it’s war, then it’s war and not a game, or else warfare is simply the favourite pastime of the idle and frivolous... The military is the most honored calling. And what is war, what is needed for success in war, what are the morals of the military world The means employed in warfare spying, treachery, trickery and lying, which are called military strategy; the morals of the military class--absence of all independence, that is, discipline, idleness, ignorance, cruelty, debauchery, and drunkenness. And in spite of all that, it is the highest class, respected by every one.

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汽车安全气囊是行车安全的重要保障。当车辆发生碰撞的瞬间,安全装置通电点火使其中的固体粉末分解释放出大量的氮气形成气囊,从而保护司机及乘客免受伤害。为研究安全气囊工作的化学原理,取安全装置中的固体粉末进行实验。经组成分析,确定该粉末仅含Na、Fe、N、O四种元素。水溶性实验表明,固体粉末部分溶解。经检测,可溶物为化合物甲;不溶物为红棕色固体,可溶于盐酸。 取13.0g化合物甲,加热使其完全分解,生成氮气和单质乙,生成的氮气折合成标准状况下的体积为6.72L。单质乙在高温隔绝空气的条件下与不溶物红棕色粉末反应生成化合物丙和另一种单质。化合物丙与空气接触可转化为可溶性盐。 请回答下列问题: 若丙在空气中转化为碳酸氢盐,则反应的化学方程式为______。

汽车安全气囊是行车安全的重要保障。当车辆发生碰撞的瞬间,安全装置通电点火使其中的固体粉末分解释放出大量的氮气形成气囊,从而保护司机及乘客免受伤害。为研究安全气囊工作的化学原理,取安全装置中的固体粉末进行实验。经组成分析,确定该粉末仅含Na、Fe、N、O四种元素。水溶性实验表明,固体粉末部分溶解。经检测,可溶物为化合物甲;不溶物为红棕色固体,可溶于盐酸。 取13.0g化合物甲,加热使其完全分解,生成氮气和单质乙,生成的氮气折合成标准状况下的体积为6.72L。单质乙在高温隔绝空气的条件下与不溶物红棕色粉末反应生成化合物丙和另一种单质。化合物丙与空气接触可转化为可溶性盐。 请回答下列问题: 单质乙与红棕色粉末发生反应的化学方程式为______,安全气囊中红棕色粉末的作用是______。

在25℃时,若10体积的某强酸溶液与1体积的某强碱溶液混合后溶液呈中性,则混合之前,该强酸强碱的pH之间应满足的关系。

汽车安全气囊是行车安全的重要保障。当车辆发生碰撞的瞬间,安全装置通电点火使其中的固体粉末分解释放出大量的氮气形成气囊,从而保护司机及乘客免受伤害。为研究安全气囊工作的化学原理,取安全装置中的固体粉末进行实验。经组成分析,确定该粉末仅含Na、Fe、N、O四种元素。水溶性实验表明,固体粉末部分溶解。经检测,可溶物为化合物甲;不溶物为红棕色固体,可溶于盐酸。 取13.0g化合物甲,加热使其完全分解,生成氮气和单质乙,生成的氮气折合成标准状况下的体积为6.72L。单质乙在高温隔绝空气的条件下与不溶物红棕色粉末反应生成化合物丙和另一种单质。化合物丙与空气接触可转化为可溶性盐。 请回答下列问题: 以下物质中,有可能作为安全气囊中红棕色粉末替代品的是______。

A. KCl
B. KNO3
C. Na2S
D. CuO

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