The lock and key model is used to explain how enzymes work. Use the model to explain why an enzyme only works with a particular molecule.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point