()CnH2n-6+()O2=()co2+（）H2O 配平················
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()CnH2n-6+()O2=()co2+（）H2O配平················()CnH2n-6+()O2=()co2+（）H2O配平················()CnH2n-6+()
()CnH2n-6+()O2=()co2+（）H2O 配平················
()CnH2n-6+()O2=()co2+（）H2O 配平····
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()CnH2n-6+()O2=()co2+（）H2O 配平················
（2）CnH2n-6 + (3n-3)O2=(2n)co2+（2n-6）H2O
配平下列方程式:CnH2n+O2==CO2+H2O
CnH2n+O2==CO2+H2O 怎么配平
CnH2n+1+O2→CO2+H2O配平
配平CnH2n+2+O2=====CO2+H2O配平（CnH2n+2）+（O2）=====（CO2）+（H2O）
配平CnH2n+2+O2=====CO2+H2O
()CnH2n-6+()O2=()co2+（）H2O 配平················
怎么根据CO2的物质的量计算烷烃的物质的量CnH2n+2 +3n+1/2 O2=nCO2+(N+1)H2O设CO2为0.8mol,怎么算CnH2n+2
怎么根据CO2的物质的量计算烷烃的物质的量CnH2n+2 +3n+1/2 O2=nCO2+(N+1)H2O高一
CO2+O2=?
co2+o2=?
CO2+?=Na2CO3+O2
A既能使溴水褪色,又能与碳酸钠溶液反应放出CO2.A与CnH2n+1OH反应生成分子式为Cn+3H2n+4O2的酯,CH2=CH-COOH如何求出
CXHY+O2===CO2+H2O
CXHY+O2===CO2+H2O
化学方程式C2H5OH+O2=CO2+CO+H2O
C2H4+ O2 = CO2+ H2O尽快
CxHyOz+O2=CO2+H2O的化学方程式
CH4+O2=H2O+CO2配平