题干

化合物SOCl2是一种液态化合物,沸点为77℃.在盛有10mL水的锥形瓶中,小心地滴加8~10滴SOCl2,可观察到剧烈反应,液面上有大量白雾,并有刺激性气味的气体逸出.该气体可使滴有品红试液的滤纸褪色.轻轻振荡锥形瓶,等白雾消失后,往溶液中滴加AgNO3溶液,有不溶于稀HNO3的凝乳状白色沉淀产生(提示:SO2能使品红溶液褪色,H2SO3是一种中强酸,HSO3﹣的酸性强于HCO3﹣的酸性).根据上述实验,写出以下反应的化学方程式:

(1)SOCl2和水反应 ____ .

(2)SOCl2和足量氢氧化钠溶液反应  ____ .

(3)SOCl2和足量碳酸钠溶液反应  ____.

(4)加AgNO3溶液产生白色沉淀过程的离子方程式 ____

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答案(点此获取答案解析)

SOCl2+H2O=SO2\u2191+2HCl\u2191\uff1b,SOCl2+4NaOH=Na2SO3+2H2O+2NaCl,SOCl2+2Na2CO3=Na2SO3+2NaCl+2CO2<\

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    Anyone can write a baby poem, and everyone enjoys reading them, young and old. Baby shower(婴儿洗礼) poems can have rhythm and rhyme, but they certainly don't have to. Poems can be either long or short, but short is probably best for your typical baby shower needs. You can add a little humor as well!

    The people who are most often touched by baby shower poems are those who have had children themselves. Sweet poems can remind them of the time when their little ones were still young. No one will appreciate them more than the family members themselves. If you are a creative writer or  have a special talent for putting words together in a special way, then you should try writing your own baby shower poems. This would make a great gift idea as well.

    If you decide to write your own baby poems, even common things can inspire you. Inspiration can be found anywhere. Look to your own memories from the past. What was special about your childhood? What special object have you treasured over the years? What words of wisdom(智慧) of advice could you pass on to the next generation? Look around the house and imagine a baby being there. What do you see, hear, or feel? Let those thoughts be the source of your best baby poems.

    When writing a baby poem, you do not have to write like Shakespeare, you just have to be sincere. Years later when the baby has grown,think of how special they will feel knowing the words were just for them.

    If you are not the creative type — don't worry! There are lots of places online where you can look for poems saying just the things you want to say. Poems have been written on all subjects throughout the ages, and baby poems and baby shower poems are no exception. A quick search online doesn't have to take any time at all.