https://liangyan.xyz/work daily 0.75 2025-12-24 https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421313488952-U7F5RP8Q3STDRGP9B732/image-asset.png Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314025070-QZ34OGH1BIXI38L8O7F2/card_07.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314017113-01E1R7DWVBPZWLHSOOGK/card_02.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314022156-TM9C6ZEJSRMNEGTGDSZY/card_05.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314016588-G25HF10HY1G4BOSH8RXJ/card_01.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314022857-0NFWEW0M205R622N9BQX/card_06.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314026598-DCH6NRLLC06G36R16XEX/card_08.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314030005-HXKSH3YR3BRW03JZEYPN/card_09.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314019966-FUJXLNJOTL9C7NN05BXR/card_04.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421314019583-Q7SI9J966C2DUOB8UPSV/card_03.jpg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311151827-LDPZTFIJCTOB4FU6HGV7/CoCl2-Na2SiO3-03b.jpg Work Osmotic growth of cobalt chloride inside sodium silicate solution. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311154679-SYXKXJM3OP3N1RPFFDXM/CuSO4-Crystallization-02.jpg Work Crystallization of copper sulfate. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311149329-9BZ555SOG08EY67T44R8/AgNO3-NaCl-02.jpg Work Adding a few drops of silver nitrate solution into sodium chloride solution generated a white precipitation of silver chloride. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311149293-QW4WVHKKTZY03P9W3HTQ/AgNO3-Na2S2O3-01b.jpg Work Adding a few drops of silver nitrate solution into sodium thiosulfate solution generated an orange precipitation of silver thiosulfate. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421312617778-BKDE99YU0F8VBAGYZCWI/CuSO4-NaOH-01.jpg Work Adding a few drops of copper sulfate solution into sodium hydroxide solution generated a blue precipitation of basic copper sulfate. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311164340-KJUZVL4WED7IOZ237JDY/NiSO4-NaOH-01.jpg Work Adding a few drops of nickel sulfate solution into sodium hydroxide solution generated a green precipitation of nickel hydroxide. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311157175-FEBOBY4VGPXCEDTITGSR/Egg-HCl-01.jpg Work Reaction between eggshell and hydrochloric acid generated bubbles of carbon dioxide. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311160647-TWH28VIIVYOG8EYHRIGL/Mg-HAc-01.jpg Work Reaction between magnesium metal and acetic acid generated hydrogen bubbles. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311165512-I0FDV22T6EOVKYDTGS3X/Purple-cabbage-HCl-01.jpg Work Purple cabbage changed to red color in hydrochloric acid. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421312700476-H46TPN2XC3Q81K87G3O9/Purple-cabbage-NaOH-01.jpg Work Purple cabbage changed to yellow color in sodium hydroxide solution. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311175599-5I9QV5KQSBPYZ18YKA80/Zn-CuSO4-02.jpg Work Reaction between zinc metal and copper sulfate solution generated copper metal, which fell off the surface due to gravitational force. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311182099-ZTIDJUI0L1VLX8Y3ISPM/Zn-CuSO4-H2SO4-01.jpg Work When a sheet of zinc metal was dropped into a solution containing copper sulfate and sulfuric acid, two things happened: (1) hydrogen bobbles were generated due to the reaction between zinc and sulfuric acid, and (2) reddish copper emerged due to the reaction between zinc and copper sulfate. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311182806-4UA6HPYDDNP88SYS138P/Zn-Pb-Tree-01.jpg Work Reaction between zinc metal and lead nitrate inside a soft gel generated a forest of lead trees. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311157112-C06D8DNXH8TS77KPLWSX/Fluorescent-Chemicals-NaOH-04.jpg Work Green fluorescent droplets formed by mixing the chemicals inside a fluorescent stick. Water and sodium hydroxide were also added to the mixture. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421311159945-BN73E5RRY0H53B5FSF85/HCl-NH3-NH4Cl-smoke-04.jpg Work Reaction between hydrogen chloride gas and ammonia gas generated white ammonium chloride smoke. https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421212157700-P3QQ1B3T1DEXLMZ946EV/image-asset.jpeg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421207915971-T3HO290VMGS3YE9Z0E7G/image-asset.jpeg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421204178361-K8V3S02VKI354YB6PB26/image-asset.jpeg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421213142624-NI6ZIG23CP6D1YTOCAKL/image-asset.jpeg Work https://images.squarespace-cdn.com/content/v1/54b39927e4b070274a8ea579/1421205641202-XZDTWYEKRAQZ6B4MLPYI/image-asset.jpeg Work 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