WebMay 9, 2024 · Theo giả thiết ta có: M A = 29.2 = 58 gam/mol. Vì khi đốt cháy A thu được CO 2 và nước nên thành phần nguyên tố trong A chắc chắn có C, H, có thể có hoặc không có O.. Đặt công thức phân tử của A là C x H y O z (y ≤ 2x + 2), ta có:. 12x + y + 16z = 58 ⇒ z < 58-1-12 16 = 2,8125 + Nếu z = 0 ⇒ 12x + y = 58 ⇒ x = 4 y = 10 ⇒ A là C 4 H 10 Web视频以CO2为例,通过简单分子轨道计算来理解CO2典型的两种活化机制,由此提供了催化剂理性设计的简单思路。, 视频播放量 4606、弹幕量 2、点赞数 61、投硬币枚数 21、收 …
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WebApr 10, 2024 · Topline. AI has become a hot topic, gaining recognition for performing impressive ventures like drafting contracts and coding apps, but it can also help with … WebJan 23, 2024 · While the exact short and long term carbon monoxide levels recommended by ASHRAE, OSHA, NIOSH and other organizations differ, the consensus is that. 9 ppm (parts-per-million) is the maximum indoor safe carbon monoxide level over 8 hours. 200 ppm or greater will cause physical symptoms and is fatal in hours. 800 ppm of CO or … WebNov 27, 2024 · 作者:陈宇 时间:2024-11-27 一.计算分子轨道(molecular orbitals)的基本原理. 1. 基本概念 波函数(wave function):在量子力学中,粒子的状态用波函数( … military internet of things