298K时,当H<sub>2</sub>SO<sub>4</sub>溶液的浓度从0.01mol/kg增加到0.1mol/kg时,其电导率κ和摩尔电导率Λm的变化情况为()。
A、κ减小,Λm增加
B、κ增加,Λm减小
C、κ减小,Λm减小
D、κ增加,Λm增加
A、κ减小,Λm增加
B、κ增加,Λm减小
C、κ减小,Λm减小
D、κ增加,Λm增加
A、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> B、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> C、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> B、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> C、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、△Hθ<sub>1sub>=△Hθ<sub>2sub> B、△Hθ<sub>1sub>=2△Hθ<sub>2sub> C、2△Hθ<sub>1sub>=△Hθ<sub>2sub> D、△Hθ<sub>1sub>与△Hθ<sub>2sub>无关
A、H<sub>2sub>O(l,268K,100kPa)→H<sub>2sub>O(s,268K,100kPa) B、在298 K,100kPa时,H<sub>2sub>(g)+Cl<sub>2sub>(g)=2HCl(g) C、在298 K,100kPa时,一定量的NaCl(s)溶于水中 D、H<sub>2sub>O(l,373K,100kPa)→H<sub>2sub>O(g,373K,100kPa)
A、a<sub>1sub>〉a<sub>2sub> B、a<sub>1sub>=a<sub>2sub> C、a<sub>1sub>〈a<sub>2sub> D、a<sub>1sub>和a<sub>2sub>可取任意值
A、μ=μ<sub>1sub>+μ<sub>2sub> B、μ=μ<sub>1sub>+2μ<sub>2sub> C、μ=μ<sub>1sub>=μ<sub>2sub> D、μ=⅓μ<sub>1sub>+͕2;μ<sub>2sub>