For an experiment a student needs 9 cm of magnesium ribbon. How many students can perform the experiment if the Teacher has 570 cm of the ribbon?

Amount of liquid measured in l or lm

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —