The current supplied by a battery as a function of time is I(t) = ...

[codyclark]

The current supplied by a battery as a function of time is I(t) = (0.88
 
  A)e-t/(6.0 hr). What is the total number of electrons transported from the positive electrode to the negative electrode from the time the battery is first used until it is essentially dead? (e = 1.60  10-19 C)
  A) 1.2  1023
  B) 4.4  1022
  C) 5.3  1023
  D) 3.3  1019

Question 2

One piece of evidence that Democritus found for his idea that everything is made of atoms was
 
  A) the smell of bread and of other substances.
  B) the random, chaotic motions often found in liquids.
  C) the fact that chemicals combine in definite proportions.
  D) Brownian motion.
  E) the twinkling of stars, due to our atmosphere.

[kaillie]

Answer to Question 1

A

Answer to Question 2

A

[codyclark]

Thank you!

[kaillie]

Always glad to help...