下列各反应中，其D[img=50x21]1803a986b7e05ae.png[/img]等于相应生成物的标准摩尔生成焓的是（ ）。
A: [img=197x25]1803a986c3539a9.png[/img]
B: [img=231x25]1803a986cb6763e.png[/img]
C: C(金刚石)+[img=21x22]1803a986d38e874.png[/img](g)→[img=33x22]1803a986dbac05b.png[/img](g)
D: C(石墨)+[img=21x22]1803a986d38e874.png[/img](g)→[img=33x22]1803a986dbac05b.png[/img](g)
A: [img=197x25]1803a986c3539a9.png[/img]
B: [img=231x25]1803a986cb6763e.png[/img]
C: C(金刚石)+[img=21x22]1803a986d38e874.png[/img](g)→[img=33x22]1803a986dbac05b.png[/img](g)
D: C(石墨)+[img=21x22]1803a986d38e874.png[/img](g)→[img=33x22]1803a986dbac05b.png[/img](g)
举一反三
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型：{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 下列函数中为同一个函数的是() 未知类型：{'options': ['f(x)=x,g(x)=[img=25x39]17e43f7e294a229.png[/img]', ' f(x)=x,g(x)=[img=39x24]17e43f7e31cdea3.jpg[/img]', ' f(x)=x,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]', ' f(x)=|x|,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]'], 'type': 102}
- 下列函数的导数[img=281x27]1802f62346026a9.png[/img] A: g'(x)=3 B: g'(x)=-3 C: g'(x)=9 D: g'(x)=-9
- 混合气体中含有 140 g [img=21x22]1803bdf911baf5c.png[/img]，256 g[img=21x22]1803bdf91ac0c66.png[/img]和 88 g[img=33x22]1803bdf9230cc82.png[/img] ，其中[img=21x22]1803bdf92ab76e8.png[/img]的摩尔分数是 A: 0.12 B: 0.29 C: 0.33 D: 0.36
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]