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Metal/Metal ion half cell
metal electrode submerged in salt solution containing the metal ion
Standard hydrogen half cell conditions
hydrogen gas at 298K and 1atm and 1moldm-3 H+. Platinum electrode covered in platinum black
use for platinum electrode in standard hydrogen half cell
platinum is inert (unreactive) so it prevents side reactions
standard hydrogen half cell set up
hydrogen gas into glass tube with holes for bubbles to escape
Half cell
two half cells make a full cell
how to tell the battery is rechargeable
ionic equation is in equilibrium (reversible)
Metal ion/Metal ion half cell
two ions of same metal in electrolyte solution