## Answers

Since, both electrochemical cells are connected in series, so net electric potential difference will be sum of these two.

E = E1 + E2

E = 2 + 2 = 4 V

**Comment in case any doubt please rate my answer.....**

#### Similar Solved Questions

1 answer

##### Will rate lifesaver if correct.

A 58-kg woman cheats on her diet and eats a 449-Calorie (540 kcal) jelly doughnut for breakfast.(a) How many joules of energy are the equivalent of one jelly doughnut?J(b) How many stairs must the woman climb to perform an amount of mechanical work equivalent to the food energy in one jelly doughnut...

1 answer

##### 6,7,8,9 e) A diver off the high board imparts an initial rotation with his body fully...

6,7,8,9 e) A diver off the high board imparts an initial rotation with his body fully extended before going into a tuck and executing three back somersaults before hitting the water. If his moment of Inertia before the fuck is 18.2 kg- and after the tuck during the somersaults is 3.8 kg.m2, what rot...

1 answer

##### A bank offers an investment opportunity that makes payments to the investor of $800 per quarter...

A bank offers an investment opportunity that makes payments to the investor of $800 per quarter forever. If they quote an APR of 26.0%, then what is the most you should be willing to pay for the investment today? (What numbers do I put into the financial calculator for N, I/Y, PV, PMT and FV?...

1 answer

##### 2. Integrate the following expression. (6 marks) sec? x tan x dx 3 + sec2 x

2. Integrate the following expression. (6 marks) sec? x tan x dx 3 + sec2 x...

1 answer

##### Email: * If I were not using this ICT, how else could I send and receive...

Email: * If I were not using this ICT, how else could I send and receive information. * What can I do to improve self-awareness and relationship management through ICTs? * What do I gain in interpersonal communication from ICTs and what do I lose?...

1 answer

##### Help urgent!!! Question 3 Imagine that a proton heads east at 2.00 x 10 m/s towards...

help urgent!!! Question 3 Imagine that a proton heads east at 2.00 x 10 m/s towards a far away proton heading west at 2.00 x 10 m/s. If their initial speeds are both 2.00 x 10 m/s, what is the closest that the two protons will come to each other? Number Units The number of significant digits is set ...

1 answer

##### 1.8973 Show Attempt History Current Attempt in Progress Emily Valley is a licensed dentist. During the...

1.8973 Show Attempt History Current Attempt in Progress Emily Valley is a licensed dentist. During the first month of operation of her business, the following events and transactions occurred. Apr. 1 Invested $23,200 cash in her business. 1 Hired a secretary-receptionist at a salary of $810 per week...

1 answer

##### 15. How many possible combination outcomes consist of two heads when you toss a fair coin...

15. How many possible combination outcomes consist of two heads when you toss a fair coin four times? (6.25 points) a. 4 b. 5 c. 6 d. 7 e. None of these...

1 answer

##### Which of the following is not a possible zero of f(x) = 6x? - 5x² +12?

Which of the following is not a possible zero of f(x) = 6x? - 5x² +12?...

1 answer

##### How many milliliters of a 0.5 M NaNO3 solution contains 0.113 moles of NaNO3?

How many milliliters of a 0.5 M NaNO3 solution contains 0.113 moles of NaNO3?...

1 answer

##### Please help with correct answer and explaination if possible, thx!(: 3. For each of the following,...

Please help with correct answer and explaination if possible, thx!(: 3. For each of the following, journalize the necessary adjusting entry. A. Unpaid wages accrued were $4,000 B. The balance in the prepaid insurance account before adjustment at the end of the year is $12,000. The amount of insu...

2 answers

##### Solve the system by graphing

Solve the system by graphing. Then classify the system.?6x-y=506x+7y=-14What is the solution of the system?(type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers)...

1 answer

##### A 160 lb woman jumps off an 80 lb stationary cart B. Immediately after take-off the...

A 160 lb woman jumps off an 80 lb stationary cart B. Immediately after take-off the velocity of the woman relative to the cart is 18 ft/s at 35 degrees from horizontal as shown. Using the impulse-momentum method, a) Determine the true velocity of the woman. (You can express your answer as a Cartesia...

1 answer

##### Ketchup is a complement (as well as a condiment) for hot dogs. If the price of...

Ketchup is a complement (as well as a condiment) for hot dogs. If the price of hot dogs rises, the quantity of hot dogs demanded which the demand for ketchup. Because of the change in the equilibrium quantity of ketchup, the demand for tomatoes by causing the equilibrium price of tomatoes to This me...

1 answer

##### Need resolve: 1. a. Evaluate -1 2 + 3 for = -3 b. For what value...

Need resolve: 1. a. Evaluate -1 2 + 3 for = -3 b. For what value of z is the fraction undefined? 2. Use the table and graph of average cost from Example 2 to help you answer the questions. 4 150 100 А 50 150 100 100 200 75 400 62.50 500 60 1000 55 1250 54 2000 52.50 SO 500 1000 1500 2000* a. ...