)已知:C(s)+O2(g)== CO2(g) △H= -393.5kJ⼀mol CO(g)+1⼀2O2(g)== CO2(g) △H= -283kJ⼀mol

2025-05-01 18:10:46
推荐回答(2个)
回答(1):

C(s)+O2(g)== CO2(g) △H= -393.5kJ/mol ①
CO(g)+1/2O2(g)== CO2(g) △H= -283kJ/mol ②
①-②得:
C(s)+1/2O2(g)=CO(g) △H= -110.5kJ/mol

回答(2):

C(s)+1/2O2(g)=CO(g) △H= -110.5kJ/mol