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..... *با سلام : در حال راه اندازی سایت شیمیدانان به کمک شما دوستان می باشیم* ..... سایت شیمیدانان ( www.shimidanan.ir ) - مارفرعون ( جیوه تیوسیانات )
 
سایت شیمیدانان ( www.shimidanan.ir )
دروازه ای رو به جهان شیمی
درباره سایت


سلام دوستان عزیز:

این تارنما سعی دارد به کمک شما همکاران فرهنگی و علاقه مندان شیمی مکانی ایجاد نموده که بتوان محلی دوستانه برای بحث و ارائه مطالب متنوع شیمی و درسی درراستای اهداف آموزش شیمی در فضای مجازی باشد.منتظر نظرات سازنده شما هستیم.

www.shimidanan.ir
shimidanan@yahoo.com

مدیر سایت : علی حیدری جابری
نظرسنجی
مطالب مورد استفاده ی شما :






[http://www.aparat.com/v/NDA8p]
سلام: 
جیوه اکسید را در نیتریک اسید حل و به محلول پتاسیم تیوسیانات اضافه کنید
 و رسوب را صاف و خشک کنید.
بقیه توضیحات در ادامه :



جیوه (II) تیوسیانات بر اثر حرارت تجزیه می شود :
 2Hg(SCN)2 → 2HgS + CS2 + C3N4 
سپس کربن دی سولفید می سوزد : 
CS2 + 3O2 → CO2 + 2SO2 

 C3N4نیز به گاز نیتروژن و دی سیان تجزیه می شود :
 2C3N4 → 3(CN)2 + N2 جیوه (II) 
اکسید نیز با اکسیژن واکنش می دهد.
سایت آموزش ایرانی
 ( www.irAmooz.ir )




نوع مطلب : مطالب و نکات شیمی 1، مطالب و نکات شیمی 2، مطالب و نکات شیمی 3، مطالب و نکات شیمی 4، مطالب شیمی دهم، مطالب شیمی یازدهم، مطالب شیمی دوازدهم، نرم افزار و مولتی مدیا، 
کلید واژه ها : آزمایش مار فرعون،
لینک های مرتبط :
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