【单选题】He told me that he ____ in Naples the previous year.
【简答题】A和B形成理想溶液,已知373K时纯A的蒸气压为133.32kPa,纯B的蒸气压为66.66kPa,与此二元形成平衡的气相中A的摩尔分数为2/3时,溶液中A的摩尔分数为()
【单选题】—________ ! Somebody has left the lab door open. —Don’t look at me.
【单选题】______, John would not have failed.
C.
Should he listen to me
【单选题】若A和B形成理想液态混合物,已知 373K 时纯 A 的蒸气压为133.32 kPa,纯 B 的蒸气压为 66.66 kPa,此时二元溶液成平衡的气相中的 A 摩尔分数为 2/3 时,溶液中A的摩尔分数为( )。
【单选题】A和B形成理想溶液,已知373K时纯A的蒸气压为133.32kPa,纯B的蒸气压为66.66kPa,与此二元溶液成平衡的气相中的A摩尔分数为2/3时,溶液中A的摩尔分数为()
【单选题】My dad hardly ever has time for concerts with me now, _______? [ ]
【单选题】He has promised me that upon my return he for me at the airport.