An unfinished wood box or other non-metal receptacle or enclosure, without ornamentation or a fixed interior lining, which is designed for the encasement of human remains is called

A container for cremains is called

Oxidation occurs at the (I) ………….. and reduction occurs at the (II) ………… in a voltaic cell        (I)       (II) (A)   anode    anode  (B)  cathode    cathode (C)  anode   cathode (D)  cathode   anode

Identify the most stable sulfide  Choose only (A), (B) or (C)

The missing mass of a fusion reaction is converted into 

Two half-cells are shown below: Fe2+(aq)  +  2e-   ↔  Fe(s)     Ecell = – 0.44 V Cu2+(aq)  +  2e-  ↔  Cu(s)    Ecell = +0.34 V Hint: The half-cell with the highest positive potential gets reduced. the other half-cell must get oxidized. The complete cell reaction is

What is the oxidation state of C in CO2?

Consider the following half-cell reactions: Zn2+(aq)  +  2e-  ↔  Zn(s)  Ecell = -0.76 V Cu2+(aq)  +  2e-  ↔  Cu(s)  Ecell = +0.34 V Identify the species (element or ion) that is acting as the oxidizing agent Hint: The half-cell with the highest positive potential gets reduced

Consider the following equilibrium system:                                                                CaCO3(s)  ⇄ CaO(s) +  CO2(g)             Which one of the following changes would cause the above system to shift leftwards (towards reactant)?

Two half-cell reactions are shown below: Fe2+(aq)  +  2e-   ↔  Fe(s)     Ecell = – 0.44 V Cu2+(aq)  +  2e-  ↔  Cu(s)    Ecell = +0.34 V Hint: The half-cell with the highest positive potential gets reduced. the other half-cell must get oxidized. Find the Gibbs free energy for the above cell reaction (ΔG = -nFE: F = 96485 C, n = no. of electrons and E = cell potential). Use the cell voltage you received in questions 21.