Suppose a current of 660.mA flows through a copper wire for 250. seconds. Calculate how many moles of electrons travel through the wire. Be sure your answer has the correct unit symbol and round your answer to 3 significant digits.

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

a 2,000 calorie based diet.

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr