A Galvanic cell consisting of an Cd electrode placed in a 1.0 M Cd(NO3)2 solution and a Ag electrode placed in a 1.0 M AgNO3 solution. Answer the following questions for the
given battery: (i) Draw the cell diagram, (ii) find the oxidizing and reducing agent, (iii)
write half-cell reactions, (iv) balance the overall reaction, and (v) calculate cell emf.

what's the

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.