Anthony has samples of four new elements: adamantium (Ad), vibranium (Vb), uru (Ur) and carbonadium (Cb). He collects the following information about their reactivity. Vb+ Ur4+ no reaction. 4Ad3++3Ur4Ad +3Ur4+ is spontaneous. 3Vb²+ + 2Ad 3Vb + 2Ad³+ has a negative cell voltage. Ur4+ + 2Cb Ur + 2Cb2+ has a positive cell voltage. Put the reduction half-reactions for these new elements in the order they would appear in the Table of Selected Standard Electrode Potentials, in the data book. Ad3+ + 3e → Ad Ur4+ + 4e → Ur Vb2+ + 2e → Vb Cb2+ + 2e → Cb

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