中科新闻网京华烟云之木兰重生:有一道英文化学题需要帮忙
来源：百度文库 编辑：中科新闻网 时间：2024/05/02 17:45:15
a student collected a sample of hydrogen gas by the displacement of water. the relevant data are given in the following table.
volume of sample 90.0 mL
temperature 25C
atmospheric pressure 745 mm Hg
equilibrium vapor pressure of H2O (25 C) 23.8 mm Hg
a) calculate the number of moles of hydrogen gas collected
b) calculate the number of molecules of water vapor in the sample of gas
c) calculate the ratio of the average speed of the hydrogen molecules to the average speed of the water vapor molecules in the sample
d) which of the two gases, H2 or H2O, deviates more from ideal behavior? explain your answer
volume of sample 90.0 mL
temperature 25C
atmospheric pressure 745 mm Hg
equilibrium vapor pressure of H2O (25 C) 23.8 mm Hg
a) calculate the number of moles of hydrogen gas collected
b) calculate the number of molecules of water vapor in the sample of gas
c) calculate the ratio of the average speed of the hydrogen molecules to the average speed of the water vapor molecules in the sample
d) which of the two gases, H2 or H2O, deviates more from ideal behavior? explain your answer
小孩是小学生吗？