ÌâÄ¿ÄÚÈÝ
18£®ÏÖÓÐÈýÖÖ³£¼ûµÄÖÎÁÆθ²¡µÄÒ©Æ·±êÇ©£ºINDICALMÏû»¯Ò©Æ¬Ã¿Æ¬º¬250mg̼Ëá¸Æ¡¡
Stomachease¼õ»ºÎ¸Í´Ã¿Æ¬º¬250mgÇâÑõ»¯Ã¾¡¡
Fast digestion°ïÖúÏû»¯Ã¿Æ¬º¬250mgÑõ»¯Ã¾
Ò©Æ·ÖÐËùº¬µÄÎïÖʾùÄÜÓëθÀï¹ýÁ¿µÄÑÎËá·´Ó¦£¬ÔòÏàͬÁ£ÊýµÄÈýÖÖҩƬÏûºÄHClµÄÎïÖʵÄÁ¿±È½Ï£¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | ¢Ù=¢Ú=¢Û | B£® | ¢Ù£¾¢Ú£¾¢Û | C£® | ¢Û£¾¢Ú£¾¢Ù | D£® | ¢Ú£¾¢Û£¾¢Ù |
·ÖÎö ̼Ëá¸Æ¡¢ÇâÑõ»¯Ã¾¡¢Ñõ»¯Ã¾ÓëÑÎËᶼ°´ÎïÖʵÄÁ¿1£º2·´Ó¦£¬Ò©Æ¬ÖÐÈýÕßµÄÖÊÁ¿Ïàͬ£¬Ä¦¶ûÖÊÁ¿Ô½Ð¡ÖкÍθËáµÄÄÜÁ¦Ô½Ç¿£®
½â´ð ½â£ºÌ¼Ëá¸ÆĦ¶ûÖÊÁ¿Îª100g/mol£¬ÇâÑõ»¯Ã¾Ä¦¶ûÖÊÁ¿Îª58g/mol£¬Ñõ»¯Ã¾Ä¦¶ûÖÊÁ¿Îª40g/mol£¬Ì¼Ëá¸Æ¡¢ÇâÑõ»¯Ã¾¡¢Ñõ»¯Ã¾ÓëÑÎËᶼ°´ÎïÖʵÄÁ¿1£º2·´Ó¦£¬Ò©Æ¬ÖÐÈýÕßµÄÖÊÁ¿Ïàͬ£¬Ä¦¶ûÖÊÁ¿Ô½Ð¡ÖкÍθËáµÄÄÜÁ¦Ô½Ç¿£¬ËùÒÔÖкÍÑÎËáµÄÄÜÁ¦Îª¢Û£¾¢Ú£¾¢Ù£®
¹ÊÑ¡C£®
µãÆÀ ±¾Ì⿼²é³£Óû¯Ñ§¼ÆÁ¿¼ÆËã¡¢¸ù¾Ý·½³ÌʽµÄ¼ÆË㣬±È½Ï»ù´¡£¬×¢Òâ»ù´¡ÖªÊ¶µÄÕÆÎÕ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
8£®ÔÚN2+3H2 $?_{´ß»¯¼Á}^{¸ßθßѹ}$2NH3µÄ·´Ó¦ÖУ¬¾¹ýÒ»¶Îʱ¼äºó£¬NH3µÄŨ¶ÈÔö¼ÓÁË0.6mol/L£¬ÔڸöÎʱ¼äÄÚÓÃH2±íʾµÄƽ¾ù·´Ó¦ËÙÂÊΪ0.45mol/£¨L•s£©£®Ôò·´Ó¦Ëù¾¹ýµÄʱ¼äÊÇ£¨¡¡¡¡£©
A£® | 2s | B£® | 2 min | C£® | 3s | D£® | 3 min |
6£®ÏÂÁз´Ó¦ÖÐÄÜÓÃÀë×Ó·½³ÌʽH++OH -¨TH2O±íʾµÄÊÇ£¨¡¡¡¡£©
A£® | Ï¡ÁòËáºÍÇâÑõ»¯±µÈÜÒº·´Ó¦ | B£® | ÏõËáÈÜÒººÍÉÕ¼îÈÜÒº·´Ó¦ | ||
C£® | ´×ËáºÍKOHÈÜÒº·´Ó¦ | D£® | ÑÎËáºÍÇâÑõ»¯Ìú·´Ó¦ |
3£®£¨1£©³£ÎÂϽ«0.2mol/L HClÈÜÒºÓë0.2mol/L MOHÈÜÒºµÈÌå»ý»ìºÏ£¨ºöÂÔ»ìºÏºóÈÜÒºÌå»ýµÄ±ä»¯£©£¬²âµÃ»ìºÏÈÜÒºµÄpH=6£¬ÊԻشðÒÔÏÂÎÊÌ⣺
¢Ù»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©£¾0.2mol/LHClÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©£» £¨Ìî¡°£¾¡±¡¢¡°£¼¡±¡¢»ò¡°=¡±£©
¢ÚÇó³ö»ìºÏÈÜÒºÖÐÏÂÁÐËãʽµÄ¾«È·¼ÆËã½á¹û£¨Ìî¾ßÌåÊý×Ö£©£ºc£¨Cl-£©-c£¨M+£©=9.9¡Á10-7mol/L£®
£¨2£©³£ÎÂÏÂÈô½«0.2mol/L MOHÈÜÒºÓë0.1mol/L HClÈÜÒºµÈÌå»ý»ìºÏ£¬²âµÃ»ìºÏÈÜÒºµÄpH£¼7£¬Ôò˵Ã÷ÔÚÏàͬÌõ¼þÏÂMOHµÄµçÀë³Ì¶È£¼MClµÄË®½â³Ì¶È£®£¨Ìî¡°£¾¡±¡¢¡°£¼¡±¡¢»ò¡°=¡±£©
£¨3£©³£ÎÂÏÂÈô½«pH=3µÄHRÈÜÒºÓëpH=11µÄNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬²âµÃ»ìºÏÈÜÒºµÄpH¡Ù7£¬Ôò»ìºÏÈÜÒºµÄpH£¼7£®£¨Ìî¡°£¾7¡±¡¢¡°£¼7¡±¡¢»ò¡°ÎÞ·¨È·¶¨¡±£©
£¨4£©£¨¢ñ£©ÓÃ0.1032mol/L HClÈÜÒºµÎ¶¨Î´ÖªÅ¨¶ÈµÄNaOHÈÜÒº£¬Öظ´Èý´ÎµÄʵÑéÊý¾ÝÈçϱíËùʾ£®
¢Ù´ý²âNaOHÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ$\frac{0.0132¡Á\frac{27.83+27.85}{2}}{25}$ mol/L£®£¨ÁгöÊýѧ¼ÆËã±í´ïʽ²»ÓüÆËã³ö½á¹û£©
¢ÚÏÂÁÐÇé¿ö¿ÉÄÜÒýÆð²â¶¨½á¹ûÆ«¸ßµÄÊÇAD£®
A¡¢ËáʽµÎ¶¨¹ÜδÓñê×¼ÑÎËáÈÜÒºÈóÏ´
B¡¢×¶ÐÎƿδÓôý²âÒºÈóÏ´
C¡¢µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÖÐÓÐÒ»ÆøÅÝ£¬µÎ¶¨ºóÆøÅÝÏûʧÁË
D¡¢µÎ¶¨Ç°£¬µÎ¶¨¹ÜÖеÄÈÜÒºÒºÃæ×îµÍµãÔÚ¡°0¡±µãÒÔÏÂ
£¨¢ò£©µÎ¶¨µÄ·½·¨ÓÐËá¼îÖк͵ζ¨¡¢³ÁµíµÎ¶¨¡¢ÂçºÏµÎ¶¨µÈ£®³ÁµíµÎ¶¨ËùÓõÄָʾ¼Á±¾Éí¾ÍÊÇÒ»ÖÖ³Áµí¼Á£®ÒÑ֪һЩÒøÑεÄÑÕÉ«ºÍKsp£¨20¡æ£©ÈçÏ£¬²â¶¨Ë®ÌåÖÐÂÈ»¯ÎïµÄº¬Á¿£¬³£Óñê×¼ÏõËáÒøÈÜÒº½øÐе樣®
µÎ¶¨Ê±£¬ÄãÈÏΪ¸ÃµÎ¶¨ÊÊÒËÑ¡ÓõÄָʾ¼ÁÊÇÏÂÁÐÖеÄD£®
A£®KBr B£®KI C£®K2S D£®K2CrO4£®
¢Ù»ìºÏÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©£¾0.2mol/LHClÈÜÒºÖÐÓÉË®µçÀë³öµÄc£¨H+£©£» £¨Ìî¡°£¾¡±¡¢¡°£¼¡±¡¢»ò¡°=¡±£©
¢ÚÇó³ö»ìºÏÈÜÒºÖÐÏÂÁÐËãʽµÄ¾«È·¼ÆËã½á¹û£¨Ìî¾ßÌåÊý×Ö£©£ºc£¨Cl-£©-c£¨M+£©=9.9¡Á10-7mol/L£®
£¨2£©³£ÎÂÏÂÈô½«0.2mol/L MOHÈÜÒºÓë0.1mol/L HClÈÜÒºµÈÌå»ý»ìºÏ£¬²âµÃ»ìºÏÈÜÒºµÄpH£¼7£¬Ôò˵Ã÷ÔÚÏàͬÌõ¼þÏÂMOHµÄµçÀë³Ì¶È£¼MClµÄË®½â³Ì¶È£®£¨Ìî¡°£¾¡±¡¢¡°£¼¡±¡¢»ò¡°=¡±£©
£¨3£©³£ÎÂÏÂÈô½«pH=3µÄHRÈÜÒºÓëpH=11µÄNaOHÈÜÒºµÈÌå»ý»ìºÏ£¬²âµÃ»ìºÏÈÜÒºµÄpH¡Ù7£¬Ôò»ìºÏÈÜÒºµÄpH£¼7£®£¨Ìî¡°£¾7¡±¡¢¡°£¼7¡±¡¢»ò¡°ÎÞ·¨È·¶¨¡±£©
£¨4£©£¨¢ñ£©ÓÃ0.1032mol/L HClÈÜÒºµÎ¶¨Î´ÖªÅ¨¶ÈµÄNaOHÈÜÒº£¬Öظ´Èý´ÎµÄʵÑéÊý¾ÝÈçϱíËùʾ£®
ʵÑéÐòºÅ | 0.1032mol/L HCIÌå»ýÌå»ý/mL | ´ý²âNaOHÈÜÒºÌå»ý/mL |
1 | 27.83 | 25.00 |
2 | 26.53 | 25.00 |
3 | 27.85 | 25.00[À´ |
¢ÚÏÂÁÐÇé¿ö¿ÉÄÜÒýÆð²â¶¨½á¹ûÆ«¸ßµÄÊÇAD£®
A¡¢ËáʽµÎ¶¨¹ÜδÓñê×¼ÑÎËáÈÜÒºÈóÏ´
B¡¢×¶ÐÎƿδÓôý²âÒºÈóÏ´
C¡¢µÎ¶¨Ç°µÎ¶¨¹Ü¼â×ìÖÐÓÐÒ»ÆøÅÝ£¬µÎ¶¨ºóÆøÅÝÏûʧÁË
D¡¢µÎ¶¨Ç°£¬µÎ¶¨¹ÜÖеÄÈÜÒºÒºÃæ×îµÍµãÔÚ¡°0¡±µãÒÔÏÂ
£¨¢ò£©µÎ¶¨µÄ·½·¨ÓÐËá¼îÖк͵ζ¨¡¢³ÁµíµÎ¶¨¡¢ÂçºÏµÎ¶¨µÈ£®³ÁµíµÎ¶¨ËùÓõÄָʾ¼Á±¾Éí¾ÍÊÇÒ»ÖÖ³Áµí¼Á£®ÒÑ֪һЩÒøÑεÄÑÕÉ«ºÍKsp£¨20¡æ£©ÈçÏ£¬²â¶¨Ë®ÌåÖÐÂÈ»¯ÎïµÄº¬Á¿£¬³£Óñê×¼ÏõËáÒøÈÜÒº½øÐе樣®
»¯Ñ§Ê½ | AgCl | AgBr | AgI | Ag2S | Ag2CrO4 |
ÑÕÉ« | °×É« | dz»ÆÉ« | »ÆÉ« | ºÚÉ« | ºìÉ« |
Ksp | 1.8¡Á10-10 | 5.0¡Á10-13 | 8.3¡Á10-17 | 2.0¡Á10-48 | 1.8¡Á10-10 |
A£®KBr B£®KI C£®K2S D£®K2CrO4£®
10£®¸ù¾ÝϱíÌṩµÄÊý¾Ý£¬ÅжÏÔÚµÈÎïÖʵÄÁ¿Å¨¶ÈNaC1O£®NaHCO3»ìºÏÈÜÒºÖУ¬¸÷Àë×ÓŨ¶È¹Øϵ²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
»¯Ñ§Ê½ | µçÀë³£Êý |
HClO | Ki=3¡Á10-8 |
H2CO3 | Ki1=4.3¡Á10-7 |
Ki2=5.6¡Á10-11 |
A£® | c£¨HC03-£©£¾c£¨C10- £©£¾c£¨OH-£© | |
B£® | c£¨Na+£©=c£¨C1O-£©+c£¨HClO£© | |
C£® | c£¨HClO£©+c£¨ClO-£©=c£¨HCO3 -£©+c£¨H2CO3£©+c£¨CO32-£© | |
D£® | £¨Na+£©+c£¨H+£©=c£¨HCO3-£©+c£¨ClO- £©+c£¨OH-£©+2 c£¨CO32-£© |
7£®ÒÑÖªÒ»¶¨Î¶ÈϺϳɰ±·´Ó¦£ºN2+3H2?2NH3£¬Ã¿Éú³É2mol NH3·Å³ö92.4kJµÄÈÈÁ¿£¬ÔÚºãΡ¢ºãѹµÄÃܱÕÈÝÆ÷ÖнøÐÐÈçÏÂʵÑ飺¢ÙͨÈë1mol N2ºÍ3mol H2£¬´ïƽºâʱ·Å³öÈÈÁ¿ÎªQ1£¬¢ÚͨÈë2mol N2ºÍ6mol H2£¬´ïƽºâʱ·Å³öÈÈÁ¿ÎªQ2£¬ÔòÏÂÁйØϵÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | Q2=2Q1 | B£® | Q1£¼0.5 Q2 | C£® | Q1£¼Q2£¼184.8 kJ | D£® | Q1=Q2£¼92.4 kJ |