What is the standard cell potential for the spontaneous voltaic cell formed from the given half-reactions? Reduction Half-Reaction Eored (V) Anode F e 2 + ( a q ) + 2 e − ⟶ F e ( s ) –0.41 Cathode C l 2 ( g ) + 2 e − ⟶ 2 C l − ( a q ) 1.36

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2