問題詳情

9. Adding CH4(g) into a fixed-volume flask containing O2(g) until the pressure is tripled, how many times its density will be? (dfinal/dinitial = ?)
(A) 2
(B) 3
(C) 4
(D) 6

參考答案

答案:A

統計:A:1,B:0,C:0,D:0,E:0

難度:計算中