<span>A) Electrical energy is converted to solar energy.</span>
Concentration of Ba2+ is 1.00 mol/dm3 or 1M
2.75 x 10^24
Hope this helped :)
B, turns red litmus paper to blue
HEY THERE!
THE ANSWER IS: the properties of an ideal gas are: An ideal gas consists of a large number of identical molecules. The volume occupied by the molecules themselves is negligible compared to the volume occupied by the gas. The molecules obey Newton's laws of motion, and they move in random motion.
CREDITS:<span>physics.bu.edu/~duffy/py105/Idealgas.htm</span>