In a voltaic cell electrons flow from the anode to the cathode. true or false

Answers

Answer 1
Answer:

True , In a voltaic cell, the anode is the electrode where oxidation occurs and electrons are produced. The cathode is the electrode where reduction occurs and electrons are consumed.

The electrons flow from the anode to the cathode through an external circuit, which generates an electric current. This flow of electrons is what produces the electrical energy in the cell.

In a voltaic cell, also known as a galvanic cell, a spontaneous redox reaction occurs, which results in the conversion of chemical energy into electrical energy. This redox reaction involves the transfer of electrons from one substance to another.

The electrons produced at the anode flow through the external circuit to the cathode. This flow of electrons is driven by the difference in electric potential between the anode and the cathode.

This potential difference is often referred to as the cell voltage or electromotive force (EMF) of the cell.

As the electrons flow through the external circuit, they produce an electric current, which can be used to power electrical devices.

Meanwhile, the redox reaction continues within the cell, with electrons being transferred from the anode to the cathode via an ionic bridge or salt bridge, which allows the movement of ions between the two half-cells to maintain charge neutrality.

Overall, the flow of electrons from the anode to the cathode through the external circuit is what produces the electrical energy in a voltaic cell.

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falling until terminal speed (the constant falling speed) is reached. How long would that take?

Answers

Well, it takes one second to get every 10 meters (if g=10 m/s^2), so one needs just 5.5 seconds. He would fall 137.5 meters (if my calculations are right) during that time.

Answer:

5.6 seconds

Explanation:

I did the worksheet and got it right

A 2-kg object is moving 6 m/s in a horizontal direction.How much net force is required for this object to continue its state of motion?
Α. Ο Ν
B.
2N
C.
3 N
12 N​

Answers

Answer: A) O N

Explanation:

An object in motion will maintain its state of motion. The presence of an unbalanced force changes the velocity of the object.

What statement about a wave produced by a doorbell is true?

Answers

a wave produced by a door bell is like a soundwave when something or someone hits it. it makes a sound 

Answer:

propagates in the form of compression and rarefactions

An organism that breaks down other living things when they die

Answers

Fungi, bacterium
________________

An electric buzzer is activated, then sealed inside a glass chamber. When all of the air is pumped out of the chamber, how is the sound from the buzzer affected?The sound is silenced.
The wavelength of the sound increases.
The frequency of the sound increases.
The wave speed of the sound increases.

Answers


The answer is that the sound is increased because the sound waves are mechanical waves, this means that they can't travel trough empty space they need a medium to travel.

Answer:

The sound is silenced.

Explanation:

I Just took the quiz

Milwaukee is 121 mi (air miles) due west of Grand Rapids. Maria drives 255 mi in 4.75 h from Grand Rapids to Milwaukee around Lake Michigan. Find: a. Her average driving speed
b. Her average travel velocity

Answers

a).
Average speed  =  (distance driven) / (time to drive the distance)

                       =  (255 miles) / (4.75 hours)

                       =     (255/4.75) (mile/hour)  =   53.7 miles per hour .


b).
Average velocity =

               (displacement)  /  (time for the trip)

           =  (distance and direction from
                       start-point to end-point,
                       regardless of the route)    /    (time for the trip)

           =      (121 miles west)  /  (4.75 hours)

           =      (121 / 4.75) (miles per hour west)

           =          25.5 miles per hour west .