How many molecules are there in 0.500 moles of sugar, c6h12o6?

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?