Be sure to answer all parts. a concentration cell consists of two sn/sn2+ half-cells. the electrolyte in compartment a is 0.19 m sn(no3)2. the electrolyte in b is 0.87 m sn(no3)2. which half-cell houses the cathode? what is the voltage of the cell? cathode: half-cell a half-cell b voltage of cell:

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

How would a small bar magnet be oriented when placed at position x?