Blog

@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: What is the coefficient, b, in the reaction below, if Kc = 1.60e-4 and Kp = 40.0469 at 494.05°C?3A(s) + bB(g) → 5C(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-Determine the cell potential for the reaction below if [Al3+] = 0.4655M and [Zn2+] = 0.0168M 2Al3+(aq) + 3Zn(s) → 2Al(s) + 3Zn2+(aq) E°= -0.920V

@X@user.full_name@X@ @GMU: ACS-Radioactive substances decay by first-order kinetics. How many years would be required for a sample containing krypton-85 to decrease to 61.32% of its initial activity? The half-life of krypton-85 is 1.08e1 years.

@X@user.full_name@X@ @GMU: One mole of CH4 gas was compressed from 36.277 L to 17.876 L. What was the ΔS of the process?

@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: ACS-It took 914.3 s for 48.50% of a substance to react according to first-order kinetics. What is the value of the rate constant?

@X@user.full_name@X@ @GMU: One mole of O2 gas was compressed from 33.332 L to 27.107 L. What was the ΔS of the process?

@X@user.full_name@X@ @GMU: Which of the answers below is the correct representation according to the shorthand method of the following cell?Cu2+(aq) + Sn(s) → Cu(s) + Sn2+(aq)