9. Gold is produced electrochemically from an aqueous solution of Au(CN)2- containing excess of CN- Gold metal and oxygen gas are produced at the electrodes. What amount of (moles) of O2 will be produced during the production of 1.00 mole of gold?

In a floral arrangement, the focal area is often

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.