首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
在燃气中加入少量有特殊气味的乙硫醇(C2H5SH),可在燃气泄漏时及时发现,其燃烧的化学方程式为2C2H5SH+9O24CO2+2X+6H2O,则X的化学式为( )
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
为防止煤气泄漏使人中毒常在煤气中加入少量有特殊气味的乙硫醇C2H5SH1乙硫醇由元素组成其中各元素的
为了能及时发现煤气泄漏常在煤气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇燃烧的化学方程式为则x的
S
SO
2
SO
3
CO
1天然气作为燃料完全燃烧的化学方程式为▲.2为了防止燃气泄露常在燃气中加入少量有特殊气味的乙硫醇C2
在燃气中加入少量有特殊气味的乙硫醇C2H5SH可在燃气泄漏时及时发现其燃烧的化学方程式为2C2H5S
SO
2
CO
H
2
S
SO
3
为了防止煤气逸散使人中毒常在煤气中加入少量的有特殊气味的乙硫醇C2H5SH乙硫醇在煤气燃烧过程中也可
H
2
SO
4
SO
3
SO
2
CO
为防止天然气泄漏造成事故常在天然气中加入有特殊气味的乙硫醇C2H5SH根据乙硫醇的化学式计算1乙硫醇
随着经济的发展能源和环境日益成为人们关注的焦点1①燃气安全是家庭生活中的头等大事为了防止燃气泄漏常在
家用燃气中常加入少量有特殊气味的乙硫醇C2H5SH一旦燃气泄漏即可闻到气味加以防范试从微观角度分析
为防止煤气泄漏使人中毒常在煤气中加入少量有特殊气味的乙硫醇C2H5SH1乙硫醇由_________种
为及时发现燃气泄漏常在燃气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇也可以充分燃烧化学方程式为2
X.由碳、硫、氧二种元素组成
X.属于有机化合物
X中硫、氧元素的原子个数比为1: 2
X中氧元素的质量分数为60%
环境问题是2011年两会上的热门话题之一燃气安全是家庭生活中的头等大事为了防止燃气泄漏常在燃气中加入
为及时发现煤气泄漏常在煤气中加入少量有特殊气味的乙硫醇C2H5SH在煤气燃烧过程中乙硫醇也可充分燃烧
S
SO
2
SO
3
CO
为了能及时发现煤气泄漏常在煤气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇燃烧的化学方程式为2C2
S
SO
2
SO
3
CO
为了及时发现煤气泄漏现象常在煤气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇在煤气燃烧过程中也可充
H
2
SO
4
SO
3
SO
2
CO
为了能及时以现煤气泄漏常在煤气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇燃烧的化学方程式为2C2
为及时发现燃气泄漏常在燃气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇也可以充分燃烧化学方程式为2
X.由碳、硫、氧三种元素组成
X.属于有机化合物
X中硫、氧元素的原子个数比为1: 2
X中氧元素的质量分数为60%
为了能及时发现煤气泄漏常在煤气中加入少量有特殊气味的乙硫醇C2H5SH乙硫醇燃烧的化学方程式为2C.
S
SO
2
SO
3
CO
煤气有毒一旦泄漏将对生命和财产带来严重危害为了及时发现煤气泄漏现象常在煤气中加入少量有特殊气味的乙硫
SO
2
SO
3
H
2
SO
4
CO
为了能及时发现煤气泄露常在煤气中加入少量特殊气味的乙硫醇C2H5SH乙硫醇燃烧的化学方程式为2C2H
1天然气作为燃料完全燃烧的化学方程式为.2为了防止燃气泄露常在燃气中加入少量有特殊气味的乙硫醇C2H
热门试题
更多
DuringthetripItookmanyphotoswithmyc.
Hehasforthreeyears.Threeyearsalongtime.A.beenawayfromhome;are B.lefthome;isC.beenawayfromhome;is D.lefthome;are
Hereyestoldhimthatshewassatisfiedwithhim.A.truthful B.truth C.truthfully D.true
I'mlookingafterTomtoday.He'sbeeninmyhouse8:00thismorning.A.at B.for C.since D.till
Ihavecoutalotofthingsfrommyroom.
IwillmeetJaneatthestation.Pleasewhattimeshewillarrive.A.count B.chooseC.check D.catch
AcpersoncalledonyouyesterdayIdon'tknowhisname.
Ilikechocolateswithscenters.
Theplanelandedsafeattheairport.
Nooneisp.Everybodymakesmistakessometimes.
—Whatisthegreatestiinthe20thcentury?—ThecomputerIthink.
—Howlonghaveyou?—Itisabouttenyearssincewe.A.married;married B.beenmarried;weremarried C.gotmarried;gotmarried D.beenmarried;gotmarried
IalotbutIdon'tplayveryoftennow.A. usetoplaytennisB. wasusedtoplaytennisC. amusedtoplaytennisD. usedtoplaytennis
这是真的你也许再也不会使用这些东西了. youmayneverusethemanymore.
Mr.MillergotoShanghai.Hewillcomebackintwodays.
尽管我的女儿对失去某些玩具也感到伤心但是她更通情达理.Mydaughterwas althoughshealsofeltsad certaintoys.
Heansweredallthequestionstruthful.
HehasbeenstudyingEnglishwhenhewaseightyearsold.
Ihaveboughtthisbikeformorethan10years.
Thefilmhasbegunfor15minutes.
Ispent50conthisredpen.
—Whentheshop?—At8:30am.A.did;open B.does;openC.has;opened D.have;opened
Whenawomanbearsachildshegivesborntohimorher.
—Itseemsthatyouareinterestedinthisnovel.—Yeah.IitasoneofthebestnovelsI'veeverread.A. regard B. think C. look D. say
Therain stop.Shallwegoonwiththevolleyballmatch?
Johnwassolazythathestayedhomeandwatchedtelevisionalldayinsteadofworking.Onedayhis1sawaHelpwantedadinthesupermarketwindow.Thesupermarketneeded2toputthingsontheshelves.Shetoldthemanagerthatherhusbanddidn'thaveajobbuthewasvery3.ShetoldhimthatJohnwouldcometoapplyfor申请thejob.4shegothomeandtoldJohnaboutthejobhewasjustwatchingtelevisionattentively.Itmadehersoangrythatshe5theTVandorderedhimtogoandseethemanagerofthesupermarket.Johndidn'twanthiswifetobeangry.Sohewent.OnthewayJohnthoughtifthemanager6himthejobhewouldn'tbeabletostayhomeandwatchtelevisionalldaylong.Hewouldhaveto7inthesupermarketeveryday.Thenhehad8.Hedecidedtotellthemanagerthatsomethingwaswrongwithhisshouldersohe9notraisehisarmabovehishead.Hewas10themanagerwouldn'tgivehimthejob.Whenhearrivedatthesupermarkethetoldthemanagerthatheneededthejob.Areyoustrong?themanagerasked.Johnexplainedthathecouldn'traisehis11abovehishead.Johntoldhimthathe12anaccidentathomewhiledigginginthegarden.How13canyouraiseyourarm?themanagerasked.Johnliftedhisarm14 Onlythishighhesaid.Andhowhighcouldyouraiseit15theaccident?askedthemanager.Thishigh.saidJohn.Andheliftedhisarmabovehishead. 1.A.wife B. daughter C. neighbor D.mother2.A.everyone B.someone C.none D.noone 3.A.busy B. old C. strong D.weak 4.A.Unless B. Because C. Before D.When 5.A.gaveoff B. putup C. turnedoff D.turnedon 6.A.sent B. offered C. told D.called 7.A.play B.rest C.work D.shop 8.A.anidea B. aquestion C. alesson D.anorder 9.A.may B. should C. must D.could 10.A.sorry B. sure C. afraid D.shy 11.A.arm B. leg C. foot D. shoulder 12.A.had B. took C. happened D.got 13.A.low B.high C.farD.long 14.A.agreatdeal B.veryhigh C. alittle D.alot 15.A.before B.after C.ifD.though
TheywatchTVwhenIarrived.
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库