【单选题】Using newly obtained petroleum industry data, scientists have identified a previously unknown earthquake fault that lies under the heart of densely populated Los Angeles, California. Details were publ...
A.
it caused a severe local earthquake in the past.
B.
it pushes older rocks on the top of younger rocks.
C.
it has three segments and covers a relatively large area.
【单选题】一定温度下,在容积为2L的恒容密闭容器中充入4 mol N 2 O 3 ,发生反应:N 2 O 3 (g) N 2 O(g)+O 2 (g); N 2 O 3 (g)+O 2 (g) N 2 O 5 (g),达到平衡时,测得c(N 2 O 5 )为0.7 mol/L,c(O 2 )为0.5 mol/L,则 [ ]