2H2(g) + O2(g) arrow 2H2O(g) If this reaction was done at STP, what volume in liters of H2 gas would be required to react completely with 11.2 L of O2 gas? How many liters of O2 are needed to react completely wi...
? 题目 4.29 Copper reacts with sulfuric acid according to the followingequation:2 H2SO4 + Cu :CuSO4 + 2 H2O + SO2How many grams of sulfur dioxide are created by thisreaction if 14.2 g of copper reacts with 18.0 g of sulfuricacid?答案是不是4.4g?英语作业帮用户2017-09-24 举报 用这款A...
万有引力定律的发现实现了物理学史上的第一次大统一-—天上物理学和地上物理学的统一,它表明天体运动和地面上物体的运动遵从相同的规律。若牛顿在发现万有引力定律的过行星的椭圆轨道运动假想成圆周运动,则牛顿使用的规律和结论是
男性,66岁,突发剑突下疼痛10小时,阵发加重,伴寒战、高热、恶心、呕吐。查体:巩膜黄染,体温39.8°C,心率129次,/分,血压90/60mmHg。全腹压痛,肌紧张,轻度反跳痛,以剑突下为重,白细胞28X109/U尿胆红素(+),下列处理哪项最佳()