2 H2O(l) + 2 Mn2+(aq) 4 MnO4-(aq) + 8 H+(aq) → 2 H2O(l) + 2 Mn2+(aq) 4 MnO4-(aq) + 8 H+(aq) + 2 e- → 2 H2O(l) + 2 Mn2+(aq) 4 MnO4-(aq) + 8 H+(aq) + 5e- → 4 H2O(l) + Mn2+(aq) MnO4-(aq) + 8 H+(aq) + 5e- → A voltaic cell utilizes the following reaction and operates at 298 K: 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) → What is the emf of this cell under standard conditions? 0.87 V -2.35 V -0.87 V 2.35 V Elemental calcium is produced by the electrolysis of molten What mass of calcium can be produced by this process if 7.5*103 A is flowing for 48 hour period? 168 g 2.69*105 g 4.78*10-3 g 269 g What particle is released during the decay of sodium-24 into magnesium-24. Alpha particle Beta particle Gamma particle Neutron Cobalt-60 which undergoes beta decay, has a half-life of 5.26 yrs. How many beta particles are emitted in 600 s by a 3.75 mg sample of 60Co?
2 H2O(l) + 2 Mn2+(aq) → 4 MnO4-(aq) + 8 H+(aq) 2 H2O(l) + 2 Mn2+(aq) → 4 MnO4-(aq) + 8 H+(aq) + 2 e- 2 H2O(l) + 2 Mn2+(aq) → 4 MnO4-(aq) + 8 H+(aq) + 5e- 4 H2O(l) + Mn2+(aq) → MnO4-(aq) + 8 H+(aq) + 5e- A voltaic cell utilizes the following reaction and operates at 298 K: 3 Ce4+(aq) + Cr(s) → 3 Ce3+(aq) + Cr3+(aq) What is the emf of this cell under standard conditions? 0.87 V -2.35 V -0.87 V 2.35 V Elemental calcium is produced by the electrolysis of molten What mass of calcium can be produced by this process if 7.5*103 A is flowing for 48 hour period? 168 g 2.69*105 g 4.78*10-3 g 269 g What particle is released during the decay of sodium-24 into magnesium-24. Alpha particle Beta particle Gamma particle Neutron Cobalt-60 which undergoes beta decay, has a half-life of 5.26 yrs. How many beta particles are emitted in 600 s by a 3.75 mg sample of 60Co?
CHEM_178__C__Burnett_rjgale_SI_Final_Exam_Review.docx