Which change occurs at the anode in an operating electrochemical cell?
1: gain of protons
2: gain of electrons
3: loss of protons
4: loss of electrons

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

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 —

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.