During the discharge of an alkaline battery, 4.50 g of Zn is consumed at the anode of
Question:
(a) What mass of MnO2 is reduced at the cathode during this discharge?
(b) How many coulombs of electrical charge are transferred from Zn to MnO2?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 25% (8 reviews)
a The overall cell reaction is 2MnO 2 s Zns 2H ...View the full answer
Answered By
WAHIDUL HAQUE
hello,
I'm a professional academic solution provider working as a freelance academic solution provider since 7 years. I have completed numerous projects. Help lots of students to get good marks in their exams and quizzes. I can provide any type of academic help to your homework, classwork etc, if you are a student of Accounting, Finance, Economics, Statistics. I believe in satisfying client by my work quality, rather than making one-time profit. I charge reasonable so that we make good long term relationship. why will you choose me? i am an extremely passionate, boldly honest, ethically driven and pro-active contractor that holds each of my clients in high regards throughout all my business relations. in addition, I'll always make sure that I'm giving my 100% better in every work that will be entrusted to me to be able to produce an outcome that will meet my client's standards. so if you are a student that is now reading my profile and considering me for your academic help. please feel free to look through my working history, feedback and contact me if you see or read something that interests you. I appreciate your time and consideration.
regards
4.90+
233+ Reviews
368+ Question Solved
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
Question Posted:
Students also viewed these Chemical Engineering questions
-
We show in Figure the basis of the sweep circuit used in an oscilloscope. S is an electronic switch that closes whenever the potential across its terminals reaches a value V c and opens when the...
-
(a) Suppose that an alkaline battery was manufactured using cadmium metal rather than zinc. What effect would this have on the cell emf? (b) What environmental advantage is provided by the use of...
-
The capacity of batteries such as the typical AA alkaline battery is expressed in units of milliamp-hours (mAh). An AA alkaline battery yields a nominal capacity of 2850 mAh. (a) What quantity of...
-
A pistoncylinder device contains superheated steam. During an actual adiabatic process, the entropy of the steam will (never, sometimes, always) increase.
-
Pevnick Inc. began operations as a detective agency on January 1, 2015. The trial balance columns of the worksheet for Pevnick Inc. at March 31 are as follows. Other data: 1. Supplies on hand total...
-
A Ferris wheel 24.0m in diameter rotates once every 15.5s (see Fig. 5-9). What is the ratio of a persons apparent weight to her real weight? (a) At the top, and (b) At the bottom?
-
Blare Company had a return on sales of 6.5 percent and an asset turnover of 2.40. What is Blare's return on assets?
-
John Davis owns Eastcoasters, a bicycle shop in Millersville. Most of Johns bicycle sales are customer orders; however, he also stocks bicycles for walk-in customers. He stocks three types of...
-
The market price is $ 1 comma 0 7 5 for a 9 - year bond ( $ 1 comma 0 0 0 par value ) that pays 1 1 percent annual interest, but makes interest payments on a semiannual basis ( 5 . 5 percent...
-
1. What type of installation did Hudson Banc use for its new system? Was it an appropriate choice? 2. How could the operational problems have been avoided? Two regional banks with similar geographic...
-
During a period of discharge of a lead-acid battery, 402 g of Pb from the anode is converted into PbSO4(s). (a) What mass of PbO2(s) is reduced at the cathode during this same period? (b) How many...
-
Heart pacemakers are often powered by lithium-silver chromate "button" batteries. The overall cell reaction is 2 Li(s) + Ag2CrO4(s) Li2CrO4(s) + 2 Ag(s) (a) Lithium metal is the reactant at one of...
-
This trial balance and additional information were taken from the books of Ulandi Traders as at 28 February 20x1: Transactions for March (assume VAT is 14%): 1 Received and deposited B. Cilliers...
-
Account monitoring is an important part of managing credit customers. What are some key reasons for the continuous monitoring of customer accounts?
-
The graph shows the price profile (option price vs. strike, in the Black-Scholes model) of 6- month options on XYZ, for two different implied volatilities (IVs): 22% and 40%. Recall that 22% was the...
-
Discuss the evolutionary origins and adaptive significance of complex social behaviors in animals, including cooperation, altruism, and kin selection .
-
The following reserve table appeared in the financial statements of Brown Company. (in thousands of barrels) Year ended Dec. 31 2015 2016 2017 170 240 325 Beginning of year Revisions of previous...
-
Discuss the phenomenon of immune tolerance, including its induction and maintenance mechanisms, and its relevance in preventing autoimmune reactions against self-antigens?
-
Express each of the given expressions in simplest form with only positive exponents. a 1 + b 1
-
Identify the source of funds within Micro Credit? How does this differ from traditional sources of financing? What internal and external governance mechanisms are in place in Micro Credit?
-
It is commonly recommended that hot foods be cooled first to room temperature by simply waiting a while before they are put into the refrigerator to save energy. Despite this commonsense...
-
It is often stated that the refrigerator door should be opened as few times as possible for the shortest duration of time to save energy. Consider a household refrigerator whose interior volume is...
-
Consider a Carnot heat-engine cycle executed in a steady-flow system using steam as the working fluid. The cycle has a thermal efficiency of 30 percent, and steam changes from saturated liquid to...
-
Here are the percentage returns on two stocks. Month Digital Cheese Executive fruit january 15% 7% february -3 1 march 5 4 april 7 13 may -4 2 june 3 5 july -2 -3 august -8 -2 a-1. Calculate the...
-
Assume a firm's inventory level of $16,000 represents 28 days' sales. Required: a. What is the annual cost of goods sold? (Use 365 days in a year. Do not round intermediate calculations. Round your...
-
how can a internship can help you achieve your career goal
Study smarter with the SolutionInn App