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【简答题】
能源、环境与人类的生活和社会发展密切相关。 (1)目前,人类以化石燃料为主要能源,常见的化石燃料包括煤、石油和 。 (2)可燃物燃烧除需要氧气外,还需要满足的条件是 ;煤块经粉碎处理后,在空气中燃烧得更快、更充分,这是因为 。 (3)人类可以通过化学反应获得能量,如利用沼气燃烧可以煮饭、炒菜等,请你举出两例利用化学反应获得能量的事例。① ;② 。 (4)下图提到的“低碳生活”是指生活中要减少能量消耗,从而降低碳特别是二氧化碳的排放。下列做法不属于“低碳生活”方式的是(   ) A.经常使用一次性木筷和塑料餐具 B.尽量使用公共交通工具或步行 C.大量使用节能技术和节能用具 D.广泛使用太阳能和风能等清洁能源 (5)为减少温室气体排放,人们积极寻找不含碳元素的燃料。经研究发现NH 3 燃烧的产物没有污染,且释放大量能量,有一定应用前景,将NH 3 燃烧反应的化学方程式补充完整:4NH 3 +3O 2 6H 2 0+ 。
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