A:氧化性
B:延展性
C:挥发性
D:导热性
Ⅰ.CH3CH2CH2CH3 (g) ⇌ CH3CH=CH2(g)+CH4(g) △H1=+ 61.31 kJ·mol-1
Ⅱ.CH3CH2CH2CH3(g) ⇌ CH2=CH2(g)+CH3CH3(g) △H2=-56.00 kJ·mol-1
—______should we do when we meet a Maori friend?
—Well, touch noses, I think.