1. which metal is the most easily oxidized? highly active metal moderately active metal slightly active metal an inactive metal 2. what happens in a voltaic cell? chemical energy is changed to a electrical energy. electrical energy is changed to chemical energy. electrical energy is changed to magnetic energy. magnetic energy is changed to electrical energy. 3. in a dry cell, the electrolyte is a solid paste liquid gas 4. what elecrolyte is used in a lead storage battery?
hydrochloric acid
sulfuric acid
lead acetate
lead nitrate
5. which of the following is true about fuel cells?
they only produce energy in short bursts.
they are inexpensive.
they have never been built or used.
they can be designed so that they emit no pollutants.

What is the mass of sodium in 3 moles of sodium chloride

Which statement is best described as a atom

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic