题目

阅读理解 A family is a collection of people who share the same genes but cannot agree on a place to pull over for lunch. Ed and I, plus his parents and sister Doris and eight-year-old niece Alisha, are on a road trip to Yosemite. Ed wants Subway, I want. In-N-Out Burger, Doris wants Sonic. In the end, we compromise on McDonald's, where Alisha will get an action figure. It's a three-hour drive to Yosemite, but we're taking a little longer, as we're working in a tour of Highway 80's public restrooms. As the saying goes, Not one bladder（膀胱）empties but another fills. Many of these rest在一定温度下，将0.2mol的碘化氢充入1L的密闭容器中，充分反应，达到平衡后，测得c(H2)=0.08mol/L.（1）求该反应的平衡常数。（2）在上述温度下，该容器中若充入碘化氢0.4mol，求达到 平衡时碘化氢的转化率和氢气的物质的量浓度。2HI(g) H2(g) + I2(g)