• 2022-10-27
    在 [tex=2.143x1.071]XPYuqyrB5+uDR4zwRjgs8A==[/tex] 时向 1 kg 溶剂 [tex=3.643x1.357]3gxCbRjAXz9OoVvkCXuClbAORRep4A62xPIGHmE+IZM=[/tex] 和0. 4 mol 溶质 B 形成的稀溶液中又加入 1 kg 的纯溶剂, 若溶液可视为理想稀溶液,求过程的 [tex=1.643x1.0]QPp+XBCXSHMEFZh58ZTAew==[/tex]。
  • 解 稀溶液中的溶剂化学势为 [tex=16.0x2.714]EGRPIWCuRfQcgeIISmb8QJ0UhKMBhHATzbZ2T/tnE+pPBBCjAzMkWNTGcjFp9HyZHFWwdUlUi/n9VLSWZWqWb8AqeqoHNis3vQa80pDq2eBlHOS4RxLk3avzpnkoWOlp8h/so0b/ZZIjZUJq5dpNwg==[/tex]溶质化学势 [tex=9.143x2.786]ADX5U/MWmipd4S2Zp9zQ0nMFItODlXXjAXEEBB4Rxpwp9wsn1uBSmrWK4yd/GJA82fEkrqx83RhHF2+vxmHOYaunRfDyVRVi4ocJo6qB1/IUPkWC0n4iZtbZvI9HJacH[/tex]加入 1 kg 纯溶剂前[tex=12.214x2.571]FW26dkzHSt+GwcT0u7YNeYr87MVGYUBY7SxaHogNlTFg1cjH7YHjy5yG1I3otpLUVWqwQh1Gs+i717OeoMEATO3rzz8HBtz31xdXQBu21Fw=[/tex]加入 1 kg 纯溶剂后[tex=12.714x2.571]xvLoF00WbB7wVJzaFa/JLem15YS57CATN7tZCpN0PRSoFz+N8GA+IsWCND/MtICJnvR6mUF8O3cNM1Mva9mEAeFzU+vvWE+AHQoGHoWEqKM=[/tex]加入 1 kg 溶剂前系统 ( 稀溶液及 1 kg 纯溶剂 ) 的吉布斯函数为 [tex=29.286x5.571]2bnVLaHUAjBaMziKvymaZtornd0TKhCLS6u9LHbVFZftFvyrPKQ7M8587c3Iij4uvD4YJrLJHaztn5BbN9JeuC2NPg/5YZfLmYpqIG7rKBr5hA5PR22JB41jTBTxpJVBvC+PZlougYTfnpxVOnAphK3AUI6NhND5AYLAN9tkb1l7kDLF5XSMKq60LlBKZd7OIkfrmJqd7ECgpSn7xYFnQ4tOv5MbMbEI6cI/GOPkL1GUz5P14HGoRdNp7lHqZlX9XQ38XQ/MA4x09rgmqiYZTY5eGOZX8fNqke0qbrJgo4U4NJyHQIilR15sc+3gnpi6WXn7zOtH57F9EDKHxoKSlG2Ks2suwrqb4l2SeBYD1mX8hxLOfqDkxbr6dq27Tr2x7xXBFXvBCGTSQera/B8dUPfbIhVI2cqwlGtYS1MU3kO79C0jolqwoYymEmsLQXNg2Okmy9hEjXaMdJ0U7pWo3A==[/tex]加入 1 kg 溶剂后系统的吉布斯函数为[tex=33.214x2.786]UtC1bglZ1tPEPu5mMStGGXcOgUxneUtDQgakEfUjompxOaXzNNQM6IfTfh/9oXcNaIxVFOmGngKKgFo3QnF1H8kCbh8cwiz4CZskIEJUrmBH/7PZNB0T2w+8VIXIzTM53U/4MX3wWaGazzYxyRGqXKPK4eSG7+hqrw+yeP/vUgBVt4bB5BNST03aZ1/1Cwjwe5mDs5BBPn6Jrl+4J+P7sn9EeKuS1y+kn7jjXHGLNW9W4xXjtGMtanYE4htG5MNy+3BzxYVR0XMydRYONoOrRX99EikjQObB1I43C7bH/bdAj8fSXAI0tBn/uY7cUofdZStvVUdq9wFwpcNmvCimXA==[/tex][tex=32.357x13.786]w3P6JHMabuTNrEp/QSJWHHKNerb+soqblWY6ovRut+06TUUpWwKGAyqCDzKdSU06jQaoAAfxbccioXjbImWTdfSFtA+EPj5scBA2OO+rSgFzIkY76cEEpOBlZHbyve1UzMAQbsWKXGgK5Fg1xe5Pvh/3ZfeY5bNxCv3RUoYvSC3UafGvnsyD2mYBtdzq8mYfWWZAOHJWanGYtyap4+dwIgdyD58LxB7hRwAJQ8x3BSwzWpMV2u5DyaKKfjeSw8A3b+MDkTJ0sh7y6p/zCIhdXEb6txrCiRA9t51gQ8WKSxUVl2TC7PbGEHZ3xtsMJiYNmdGuRlTgFAPVl75PTUYD8g5YrkKOhaJqJwlliDeHD2SarJG1wo5zH25jqn8rAgPEO3LYCAQ5YS4ra0vL1AWt1WgaU+XpMg9SD2+RYc/D7oIhToOAnWD6kj8NqWf8fRimHR4KcqczfuP+SRx6Sjpx1FnPQXGaQxCNnulSeWhwdywgaqsu/ziXP20PcO8sLwHsYxTmijtu/I+IQPAWnTLvsdC1L0LufAKh7qku1TqHqS4wuKBQ5dlbrL+FTSd8JK7Vy3tL4yu0osr3DyFqgqOguFRPA7LgOA5TYLPUbW5Qz7ZdIbCVpAWJlSXDWoApX27jBp8D4sUUtV8701q89SWLQiURe8S2ilmf43J7Wst1PiYnXE9c9UJXAd+D254r1tY7wR8gwyiWpZnfBoDF2bG5VzEjlr1R1YNQMIlTE31KEjtcOKFPFklthYTPsn8HEZdeLzVOa0tCCuPv0TWUOwgZv8/MfItfPk98mIhEn36hTvX+uWb4ygH/7oKxaZK4Qjx56pzGmhBBE1kGqb6xkNTpYcuRckeUvb/7B0yXWj+xur+TLCrOKyXd26aWx8AqOQdAl8OIzS8VE8T3fhuqe7GAmFu9xGe/G9lC24OGm0HnHCUHXNerrzQ5QF/cwLwbl8UN93aOq2Woq3QfyIWKqYCSmr3QNCk0HW8ATuG02Ml4tr64+0DfVrWwrAkOyYX6wtCsBlmGSHYvJBDktdmEThJUHw==[/tex]

    举一反三

    内容

    • 0

      试计算 [tex=2.143x1.071]XPYuqyrB5+uDR4zwRjgs8A==[/tex] 时[tex=9.0x1.429]EupHI179vSezrC13RukUhmq5G++qOdkR0FV3dBnKAMMwxD9g574KEKbR5yoQ0L74[/tex] 溶液中[tex=1.5x1.143]dy0pjvZVTLjkvjNwUvXkYw==[/tex]的浓度和溶液的[tex=1.357x1.214]CivFLwz+h83nxauABgw/KQ==[/tex] (提示在[tex=6.071x1.214]MQlK+WUb7AnKx9YYOizpf3wyYvphd3BJZu8DlLKjaBc=[/tex]酸溶液中, 当 [tex=4.5x1.429]wcnrnvuH0PC5Rs3eLzRytxhM1DhuJC0NTHil/yiSrTI=[/tex] 时, 不能应用稀释定律近似计算)。

    • 1

      在[tex=2.5x1.214]hmm9WJ2nogL8E4ZBNRL0HA==[/tex]溶液中,加入[tex=1.357x1.0]+S2auckDooFmC3a5BtDY+A==[/tex]溶液,有[tex=0.857x1.214]/9VpPYPUrH59c0kuSmBKkw==[/tex]生成,在溶液中加入足量[tex=2.143x1.0]EzCu1hhVop346wgA1pmHIQ==[/tex]后,溶液中的[tex=0.857x1.214]/9VpPYPUrH59c0kuSmBKkw==[/tex]消失。其原因为[input=type:blank,size:4][/input]

    • 2

      在定温定压下,溶剂[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]和溶质[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]形成一定浓度的稀溶液,采用不同浓度表示的话,则 未知类型:{'options': ['溶液中[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]和[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的活度不变[br][/br]', '溶液中[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]和[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的标准化学势不变', '溶液中[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]和[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的活度系数不变', '溶液中[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]和[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的化学势值不变'], 'type': 102}

    • 3

      试计算 [tex=2.143x1.071]XPYuqyrB5+uDR4zwRjgs8A==[/tex] 时[tex=9.0x1.429]EupHI179vSezrC13RukUhhSNsGL/yOQDtxK3dbAqEhQDHc0Qx/HfC7Hw4R8mtp/v[/tex] 溶液中[tex=1.5x1.143]dy0pjvZVTLjkvjNwUvXkYw==[/tex] 的依度和溶液的 [tex=1.786x1.357]hR4LvlRhSVtA+FRhJmakBA==[/tex]提示:在 [tex=5.571x1.214]cb1WHyBQ4hv2nYCLk6UowpGbZcttqjE8Wp/ndx3Rpsc=[/tex]酸溶液中,当 [tex=4.5x1.429]wcnrnvuH0PC5Rs3eLzRytxhM1DhuJC0NTHil/yiSrTI=[/tex] 时,不能用稀释定律近似计算)。

    • 4

      应用德拜一休克尔公式计算[tex=2.143x1.071]XPYuqyrB5+uDR4zwRjgs8A==[/tex]时下列溶液中电解质的平均活度系数[tex=1.071x1.0]VbYB1nx2FH3p2eny92k4MA==[/tex]:[tex=9.214x1.429]R4NGTxcXZ5b7hRM5X794pzjXNfRiPwdkhosyAWMKwwE=[/tex]溶液;