@X@user.full_name@X@ @GMU: ACS-What is the free energy change for the reaction below? CrsO72-(aq) + 14H+(aq) + 6Br-(aq) → 2Cr3+(aq) + 3Br2(aq) + 7H2O(l) E° = 0.140V

@X@user.full_name@X@ @GMU: For the equilibrium reaction below. To what is Kc equal?2CH4(g) + 3O2(g) → 2CO(g) + 4H2O(g)

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Cd2+] = 0.1554M and [Fe3+] = 0.0131M 3Cd2+(aq) + 2Fe(s) → 3Cd(s) + 2Fe3+(aq) E°= -0.360V

@X@user.full_name@X@ @GMU: ACS-Radioactive substances decay by first-order kinetics. How many years would be required for a sample containing technicium-99 to decrease to 64.63% of its initial activity? The half-life of technicium-99 is 2.20e5 years.

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Cu2+] = 0.2469M and [Cr3+] = 0.0189M 3Cu2+(aq) + 2Cr(s) → 3Cu(s) + 2Cr3+(aq) E°= 1.080V

@X@user.full_name@X@ @GMU: One mole of SO2 gas expanded from 24.102 L to 52.507 L. What was the ΔS of the process?

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 9.26e-5 and Kp = 1.27e-7 at 56.20°C?3A(s) + bB(g) → 2C(g)

@X@user.full_name@X@ @GMU: ACS-Radioactive substances decay by first-order kinetics. How many years would be required for a sample containing technicium-99 to decrease to 43.44% of its initial activity? The half-life of technicium-99 is 2.20e5 years.

@X@user.full_name@X@ @GMU: What is the balanced reaction for the following galvanic cell?Cd(s)| Cd2+(aq) || Al3+(aq) | Al(s)

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Ag1+] = 0.3133M and [Al3+] = 0.0101M 3Ag1+(aq) + 1Al(s) → 3Ag(s) + 1Al3+(aq) E°= 2.460V