Which reaction would occur at the anode in a voltaic cell? Mg(s)→Mg2++2e−

Cd2+(aq)+Zn(s)→Zn2+(aq)+Cd(s)

K+(aq)+e−→K(s)

Cu2(aq)+2e−→Cu(s)

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

What overall charge must all compounds have

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead