Study the reaction. Zn+Cu2+→Zn2++Cu According to the reaction, which of these are true? Select THREE that apply.

Zn loses electrons and is oxidized to Zn2+.
Cu2+ is the reducing agent.
Cu2+ loses electrons and is oxidized to Cu.
Zn2+ is the reducing agent.
Zn gains electrons and is reduced to Zn2+.
Cu2+ gains electrons and is reduced to Cu.
Zn2+ is the reducing agent.

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

Why is carbon ideal for making different compounds?

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.