3.解：反应式6)]3(2)2()1(3[)4(÷−−=则13214.7.166]23[−−=÷−−=molkJQQQQpppp3,2,1,4,][QQQQpppp4.解：kJggJQ1005.39100/395=×=KKmolJmolggRTnVpW2.353..314.8.78100.111××−=Δ−=Δ−=−−−kJ763kJ76.3−=kJWQU7435=+=ΔkJQHkJWQUp5.3974.35==Δ=+=Δ5.解：RTnHURTnUHΔ−=Δ−Δ⇒Δ+Δ=ΔθθRTnHURTnUH..298298Δ=ΔΔ⇒Δ+Δ=Δ0)1(ΔRT0.)2(0.)1(=Δ−=Δ−RTnRTn111111.71.7432298..314.8)3(.)4(.57.2477298..314.81.)3(−−−−−−=××−−=Δ−−=××−=Δ−molJKKmolJRTnmolJKKmolJRTn111.14.4955298..314.8)2(.)5(.71.7432298..314.8)3(.)4(−−−=××−−=Δ−××ΔmolJKKmolJRTnmolJKKmolJRTn8.解：)(4)(3)()(2224242lOHgNgONlHN+=+1/−ΔmolkJHθ5063966028583298./ΔmolkJHKf50.639.660-285.83),(3),(422982298298Δ+Δ=ΔgNHlOHHHKfKfKθθθ)(),(),(2),(),(422984229822982298298Δ−Δ−gONHlHNHgKfKfKfKfKθθ).(24.125466.963.502)83.285(41−−=−×−−×=molkJ100g联氨所放出的热：kJmolmolkJQ75.195932100224.1254−=×−=mol3229.解：θθ298298[HnHfΔ∑=Δ（生成物）]298298[HnHfΔ∑Δ（生成物）]θ[HnΔ∑−（反应物）]298[HnfΔ∑（反应物）]查表注意聚集态！)(6)(4)(5)(4OHNOONH())(6)(4)(5)(4223gOHgNOgOgNH+→+(1)1/−ΔmolkJHθ461109025241818298./ΔmolkJHKf-46.11090.25-241.818)(5)(4),(4),(62982298298Δ−Δ−Δ+Δ=ΔgOHgNHHgNOHgOHHHKfKfKθθθθθ)11.46(4)25.90(4)818.241(6),(5),(4122983298−×−×+−×=ΔΔgOHgNHHKfKf).(468.9051−−=molkJ)()()(HCHHC())()()(42222gHCgHgHC→+(2)1/−ΔmolkJHθ2267305226298./ΔmolkJHKf226.73052.26732262652),(),(),(22298229842298298−=Δ−Δ−Δ=ΔgHCHgOHgHCHHKfKfKfKθθθθ).(47.17473.22626.521−−==molkJ)()()(50)(HClAHACl())()()(5.0)(2gHClsAggHsAgCl+→+(3)1/−ΔmolkJHθ1270680092307298./ΔmolkJHKf-127.06800-92.307)(50)(),(),(298298298Δ−Δ−Δ+Δ=ΔgHHsAgClHgHClHsAgHHKfKfKθθθθθ)068.127()307.92(),(5.0),(12298298−−−=ΔΔgHHsAgClHKfKf).(761.341−=molkJ)()(2)()(3NOlHNOlOHNO())()(2)()(3322gNOlHNOlOHgNO+→+(4)1/−ΔmolkJHθ33182858317419025298./ΔmolkJHKf33.18-285.83-174.190.25)()(3),(),(22983298298Δ−Δ−Δ+Δ=ΔlOHHgNOHgNOHlHNOHHKfKfKθθθθθ)83.285(18.333)1.174(225.90),(),(3122982298−−×−−×+=ΔΔlOHHgNOHKfKf).(65.711−−=molkJ())()(36622lHCgHC→(5)1/−ΔmolkJHθ226734904298./ΔmolkJHKf226.7349.04),(3),(2229866298298Δ−Δ=ΔgHCHlHCHHKfKfKθθθ).(15.63173.226304.491−−=×−=molkJ)()(2)()(2)(OHCOOCH())(2)()(2)(2224gOHgCOgOgCH+→+(6)1/−ΔmolkJHθ74810393509241818298./ΔmolkJHKf-74.810-393.509-241.818)(2)(),(),(222982298298Δ−Δ−Δ+Δ=ΔgOHgCHHgCOHgOHHHKfKfKθθθθθ)81.74()818.241(2)509.393(),(2),(122984298−−−×+−=ΔΔgOHgCHHKfKf).(335.8021−−=molkJ
