Science Easy Work, Please I need to get it done!

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?

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added