Which device works by changing chemical energy to radiant energy? A
desk lamp

B
flashlight

C
light bulb

D
solar panel

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.