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教学目标:认识煤、石油、天然气是人类能源的主要来源.能书写简单代表物燃烧的化学方程式。了解煤的成分,知道通过煤的干馏可得到多种化工产品及其用途,知道煤的气化和液化可减少燃烧所造成的环境污染。了解石油的成分:知道通过石油的分馏及裂化可得到多种化工产品及其用途。通过书写乙烯聚合反应的化学方程式,了解聚合反应的原理.能举例说明高分子材料在实际生活中的应用。
Teaching Objectives: Knowing coal, petroleum and natural gas are the main sources of human energy, and can write chemical equations that burn simple representations. Understand the composition of coal, know that through the distillation of coal can be a variety of chemical products and their use, knowing coal gasification and liquefaction can reduce the combustion caused by environmental pollution. Understand the composition of oil: Know that through the oil fractionation and cracking can be a variety of chemical products and their use. By writing the chemical equation of ethylene polymerization, understand the principle of polymerization, can exemplify the application of polymer materials in real life.