![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
广州亚运“潮流”火炬燃料是丙烯(C 3 H 6 ),北京奥运会“祥云”火炬燃料是丙烷(C 3 H 8 )(1)丙烷脱氢可得丙烯. 已知:C 3 H 8 (g)═CH 3 CH=CH 2 (g)+H 2 (g)△H 1 =124.2kJ?mol -1 CH 3 CH=CH 2 (g)═CH 4 (g)+HC≡CH(g)△H 2 =32.4kJ?mol -1 (1)则相同条件下,反应C 3 H 8 (g)═CH 4 (g)+HC≡CH(g)+H 2 (g)的△H=______kJ?mol -1 . (2)以丙烷为燃料制作新型燃料电池,电池的正极通入O 2 和CO 2 ,负极通入丙烷,电解质是熔融碳酸盐.电池反应方程式为______;放电时,CO 3 2- 移向电池的______(填“正”或“负”)极.