Be sure to answer all parts. calculate e o , e, and δg for the following cell reactions (a) mg(s) + sn2+(aq) ⇌ mg2+(aq) + sn(s) where [mg2+] = 0.030 m and [sn2+] = 0.030 m e o = v e = v δg = kj (b) 3zn(s) + 2cr3+(aq) ⇌ 3zn2+(aq) + 2cr(s) where [cr3+] = 0.020 m and [zn2+] = 0.0065 m e o = v e = v δg = kj

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

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

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?