有关化学的问题(抱歉是以英语作答)
1个回答
1.
a) right.the rate of reation is positive relation to the concentration of reagents.
b) the metal is connect to the cathode of battery to protected object by providing electrons.
c) the metal is connect to the sacrifical metal,which has a higher activity,to protected object by consuming the sacrifical metal.the function is also providing electrons.
2.
method one.Changing the cathode to the metal with a higher activity.
method two.Changing the anode to the metal with a lower activity.
the function is to increase the electrochemical (activity) difference between the anode and the cathode .
