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				正確的寫法為:CO2+2OH-＝CO+H2OC錯(cuò)．因不符合客觀實(shí)際.應(yīng)生成Fe2+．正確的寫法為:Fe+2H+＝Fe2++H2↑答案: AD			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8
kJ/mol890.3 kJ/mol、2800 kJ/mol，則下列熱化學(xué)方程式正確的是
          


          A．C(s)+O2(g)＝CO(g)                   
△H= ―393.5 kJ/mol
          


          B．2H2(g)+O2(g)＝2H2O(l)                 
△H= +571.6 kJ/mol
          


          C．CH4(g)+2O2(g)＝CO2(g)+2H2O(g)         
△H= ―890.3 kJ/mol
          


          D．C6H12O6(s)
+6O2(g)＝6CO2(g)+6H2O(l)    
△H=―2800 kJ/mol
          


           
          

			
          
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          25℃、101
kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8 kJ/mol
          


          890.3
kJ/mol、2800 kJ/mol，則下列熱化學(xué)方程式正確的是
          


          A．C(s)+O2(g)＝CO(g)                   
△H= ―393.5 kJ/mol
          


          B．2H2O(l)＝2H2(g)+O2(g)    
           △H=
+571.6 kJ/mol
          


          C．CH4(g)+2O2(g)＝CO2(g)+2H2O(g)         
△H= ―890.3 kJ/mol
          


          D．C6H12O6(s)
+6O2(g)＝6CO2(g)+6H2O(l)    
△H= ―2800 kJ/mol
          


           
          

			
          
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          25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8 kJ/mol、890.3 kJ/mol、2800 kJ/mol，則下列熱化學(xué)方程式正確的是 
(    )
          


          A．C(s)+O2(g)＝CO(g)                  
△H = ―393.5 kJ/mol
          


          B．2H2(g)+O2(g)＝2H2O(l)                
△H = +571.6 kJ/mol
          


          C．CH4(g)+2O2(g)＝CO2(g) +2H2O(g)         △H
= ―890.3 kJ/mol
          


          D．C6H12O6(s)
+6O2(g)＝6CO2(g)+6H2O(l)    
△H = ―2800 kJ/mol
          


           
          

			
          
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          25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5
kJ/mol、285.8 kJ/mol、890.3 kJ/mol、2800 kJ/mol，則下列熱化學(xué)方程式正確的是
          


          A．C(s)+O2(g)＝CO(g)                    
△H= ―393.5 kJ/mol
          


          B．2H2(g)+O2(g)＝2H2O(l)                  
△H= +571.6 kJ/mol
          


          C．CH4(g)+2O2(g)＝CO2(g)+2H2O(g)         
△H= ―890.3 kJ/mol
          


          D．C6H12O6(s) +6O2(g)＝6CO2(g)+6H2O(l)    
△H= ―2800 kJ/mol
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8 kJ/mol、890.3 kJ/mol、2800 kJ/mol，則下列熱化學(xué)方程式正確的是
            
          A．C(s)+O2(g)＝CO(g)                     △H= ―393.5 kJ/mol
            
          B．2H2(g)+O2(g)＝2H2O(l)                   △H= +571.6 kJ/mol
            
          C．CH4(g)+2O2(g)＝CO2(g)+2H2O(g)          △H= ―890.3 kJ/mol
            
          D．C6H12O6(s) +6O2(g)＝6CO2(g)+6H2O(l)     △H= ―2800 kJ/mol
          

			
          
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