C:Y='2X'
D:X=Y+0.02
A:X='Y+0.01'
B:X='2Y'
____. It's tidy. ____. My quilt and my hat are on it.Under it is my baseball.____. My computer and my tape player are on it.____. And my schoolbag is on the chair, too. Oh, where are my books? They are in the bookcase. ____.
A、This is my bed.
B、I have a nice room.
C、My jacket is on the chair.
D、I like my room very much.
E、This is my desk.
已知:反应I:2CO(g)+SO2(g)⇌2CO2(g)+S(l)△H1
反应Ⅱ:2CO2(g)⇌2CO(g)+O2(g)△H2=+566.0kJ•mol﹣1
反应Ⅲ:S(l)+O2(g)⇌SO2(g)△H3=﹣296.0kJ•mol﹣1
则△H1=____.