Recent content by hydrobiont

  1. hydrobiont

    "One gene, one polypeptide" hypothesis

    Can somebody tell me what is meant by the "One gene, one polypeptide" hypothesis? Also, does anyone know the evidence gathered by Watson and Crick that pointed to the complementarily of the nucleotide base adenine, guanine, cytosine and thymine?
  2. hydrobiont

    Impact of communication on scientific research

    Our teacher gave us an assignment. I guess it's not hard. But I just think of anything to write. Discuss the impact of the quality of collabration and communication on scitific research. Is it important to communicate with other scientists. What if scientists do not work together? Why do...
  3. hydrobiont

    Just want to confirm something about tiration

    Do we fill the burette with a solution of unknown concentration or known concentration? Some text books say this and some say the opposite. I'm so confused.
  4. hydrobiont

    Heat of reaction calculations

    thank you for your help
  5. hydrobiont

    Heat of reaction calculations

    Q1. When 25ml of a solution at 23.2 degrees celcius containing 5.00*10-3 mol sodium hydroxide was mixed with 50ml of a solution also at 23.2 degrees celcius that contained 6.00*10-3 mol hydrochloric acid in a light plastic beaker, the final temperature of the mixture was 24.1 degrees celcius...
  6. hydrobiont

    which natural indicators did u use??

    We used red cabbage and an unknown type of flower. If u can't find 3, just use any of the flowers with brightly coloured petals you can find in the school. Use mortar and pestal to grind the flower petals into a fine paste.( you can add some methanol and sand to make it easier for grinding)...
  7. hydrobiont

    Amphoteric and Amphiprotic

    Hey, what tool or software do u guys use to type chemical symbols and equations?
  8. hydrobiont

    Predict the direction of a force on a current carrying wire

    I thought it's called the FBI rule because it uses a weird hand gesture, even now I still think it is....hehe But isn't it works the same as the right hand palm rule? So which rule came out first? The right hand palm rule or the FBI rule?
  9. hydrobiont

    Induced current

    I agree I also think the direction is anticlockwise.
  10. hydrobiont

    Need help!2chemistry Qs

    thanks lol
  11. hydrobiont

    Practical question

    Why is it needed to be place a piece of metal between the magnets? Does that make any differnce to the magnetic field?
  12. hydrobiont

    Need help!2chemistry Qs

    Thanks Isn't ppm=particle per million? How is it equal to mg/L?
  13. hydrobiont

    Need help!2chemistry Qs

    1. NaOH(aq) + Cl2O(g) ----> H2O(l) + What would be the other product(s)? 2. 1.00L of air at 25 degrees celsius and standard atmosperic pressure contains 0.041 moles of gas. If the concentrations of carbon dioxide and sulfur dioxide in this air are 360ppm and 0.02ppm respectively...
Top