查看完整版本 : 科學問題區

• burn CxHy, 幾時知出CO, CO2 定 H2 , H20 (5 篇回覆)
• 唔明學校阿Sir講乜，想報Astronomy天文學，邊到報好 (5 篇回覆)
• bonding angle (23 篇回覆)
• naming--- propane-1,2-diol of propane-1,3-diol? (1 篇回覆)
• C4H10 boiling point (5 篇回覆)
• structural isomers (1 篇回覆)
• transfer Q (37 篇回覆)
• CuO + H2SO4 (6 篇回覆)
• precipitation (4 篇回覆)
• volumetric analysis (4 篇回覆)
• relative atomic mass (1 篇回覆)
• water crystallization (2 篇回覆)
• molar mass of an acid (1 篇回覆)
• stability of alkynes (0 篇回覆)
• 請問有無人讀molecular biology? (1 篇回覆)
• electron transition and angular momentum (1 篇回覆)
• charging by friction (24 篇回覆)
• EYE (36 篇回覆)
• 物理一問 (11 篇回覆)
• ION... (10 篇回覆)
• Can molecular size be determined by its relative atomic mass?? (5 篇回覆)
• HEAT (8 篇回覆)
• 認真一問 (6 篇回覆)
• Speed of response of voluntary actions (17 篇回覆)
• Number of neutrons cannot be predicted (5 篇回覆)
• carbon and graphite (2 篇回覆)
• wave (7 篇回覆)
• organic chem (2 篇回覆)
• diffraction of electron beams (3 篇回覆)
• excitation energy (10 篇回覆)
• Biochemical oxygen demand calculation(緊急) (0 篇回覆)
• Optical microscope (0 篇回覆)
• [Nursing][緊急]關於Ryles tube feeding的問題,plx help! (0 篇回覆)
• enthalpy level diagram (3 篇回覆)
• drift velocity (1 篇回覆)
• CHEM (緊急) (7 篇回覆)
• Dse bio 問題 (2 篇回覆)
• 點分external standard method 同 internal standard method (0 篇回覆)
• chem 問題 (3 篇回覆)
• 關於redox reaction (6 篇回覆)
• soluble in water (5 篇回覆)
• parent 問題 (7 篇回覆)
• IUPAC NAME (9 篇回覆)
• boiling point and intermolecular force (2 篇回覆)
• PH and solubility product 問題 (1 篇回覆)
• 2011 CE PII (5 篇回覆)
• SO2+Br2+H2O-->H2SO4 + HBr (2 篇回覆)
• 如何讀好生物？ (0 篇回覆)
• Acid and base (4 篇回覆)
• del (0 篇回覆)