1.What mode of decay is probable for 41/18 Ar ? What mode ofdecay is probable for ? a.electron capture b. beta emissionC.positron emission D.alpha emission

2.

The standard cell potential, E°_cell, for a reactionin which two electrons are transferred between the reactants is+1.33 V. Calculate the standard free energy change, ?G°,in kJ for this reaction and determine if it is spontaneous ornonspontaneous at 25°C.

A.?2.57 × 10² kJ, nonspontaneous B. ?2.57 ×10² kJ, spontaneous C. ?1.28 × 10² kJ,spontaneous D. +2.57 × 10² kJ, nonspontaneous

3. List the given metal ions in order of increasing strength asoxidizing agents, based on the following standard reductionpotentials, E°_red .

A.	Al3+ < Fe2+ < Zn2+ +
B.	Ag+ < Fe2+ < Zn2+ 3+
C.	Zn2+ < Fe2+ < Ag+ <Al3+
D.	Al3+ < Zn2+ < Fe2+ +