This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The current supplied by a battery as a function of time is I(t) = (0.88 A)e-t/(6.0 hr). What is ... (Read 10 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaillie

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


codyclark

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
Thank you!


kaillie

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

If you want to show differences between items at the same time, a bar graph is more effective than a If you want to show differences between items at the same time, a bar graph is more effective than a
Historical Time Line of Regulatory Acts, Standards, and Organizations Historical Time Line of Regulatory Acts, Standards, and Organizations
How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2) How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2)
How to prove the derivative of the general logarithmic function How to prove the derivative of the general logarithmic function
Reciprocal function Reciprocal function
Given the parent function f(x)=log10(bottom exponent)x, state the equation of the function that Given the parent function f(x)=log10(bottom exponent)x, state the equation of the function that
Video: Introduction to Diabetes

For a complete list of videos, visit our video library