氯水不稳定,因为氯水中存在如下平衡:Cl2+H2OHCl+HClO,下列措施会降

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问题:

氯水不稳定,因为氯水中存在如下平衡:Cl2+H2OHCl+HClO,下列措施会降低氯水的稳定性的是[ ]

A.通入少量H2S气体

B.加入少量小苏打

C.通入少量HCl气体

D.增大氯水浓度

考点:影响化学平衡的因素
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1-i
1+i
=a+bi(a,b∈R),则a-b的值是______.
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口腔预防工作者工作程序不包括

A.口腔健康调查、分析

B.制定预防措施计划

C.诊断疾病

D.预防项目实施计划

E.资金筹划和评估

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如图所示,人造地球卫星绕地球做匀速圆周运动。则该卫星运动过程中:( )

A.向心加速度大小、方向都不变;

B.向心力大小、方向都不变;

C.角速度大小、方向都不变;

D.线速度大小、方向都不变。

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Washington: The Bush administration has ______ for the first time that it may be willing to ______ a multinational force in Iraq to operate under the ______ of the United Nations as long as ______ by an American. The idea was described by Richard L.Armitage, the deputy secretary of state, as just"______" in discussions at the United Nations. It was first ______ publicly last week by Kofi Annan, the United Nations’ secretary general. Mr. Armitage’s remarks, made ______ to regional reporters and released by ______ today, represent ______ in course for the administration, which has until now insisted that all ______ matters in Iraq remain under total American control. Allowing the United Nations ______ would be intended to win the support of the Security Council for ______ authorizing the occupation of the country. In his remarks, Mr. Armitage ______ to discuss the plans ______, saying, "I don’t think it helps to ______ publicly fight now." But he described the arrangement under consideration as "a multinational force ______ "in which "the American would be the U.N. commander." On Monday, Defense Secretary Donald H. Rumsfeld was asked whether he could ______ American troops fighting ______ . His answer: "I think that’s not going to happen." But he went on to rule out only ______ meaning by the United Nations, whose troops wear blue helmets over a peacekeeping force in Iraq.

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整形修剪的基本原则。

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