ethan hawke ethanol Ethan Hawke. Actor: Training Day. Ethan Green Hawke was born on November 6, 1970 in Austin, Texas, to Leslie Carole Green, a charity worker, and James Steven Hawke, an insurance actuary. His parents were students at the University of Texas at the time but divorced when Ethan was 5 years old
methane C Tham chiếu Beilstein 1718732 Tham chiếu Gmelin 59 3DMet B01453 UNII OP0UW79H66 Thuộc tính Công thức phân tử CH 4 Bề ngoài Chất khí không màu Mùi Không mùi Khối lượng riêng 0.657 kg·m −3 gas, 25 °C, 1 atm 0.717 kg·m −3 gas, 0 °C, 1 atm 422.8 g·L −1 liquid, −162 °C Điểm nóng chảy −182,456 °C 90,694 K; −296,421 °F Điểm sôi −
polyurethane Polyurethane is a class of polymers composed of organic units joined by carbamate links. Learn about its origin, production, applications, and types of polyurethanes
