A piece of magnesium can be attached to the iron hull of a boat to prevent it
Question:
A piece of magnesium can be attached to the iron hull of a boat to prevent it from rusting.
(a) Why is the magnesium called a sacrificial metal?
(b) How does the Mg keep the iron hull from rusting?
(c) Which can be thought of as the positive cathode, the Mg or the steel hull? Explain.
(d) Putting a block of Mg on a steel boat hull does not create a battery. Why not?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 0% (1 review)
a The magnesium is called a sacrificial metal because it sacrifices itself to protect the iron hull ...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Introductory Chemistry Atoms First
ISBN: 9780321927118
5th Edition
Authors: Steve Russo And Michael Silver
Question Posted:
Students also viewed these Sciences questions
-
What is the owner's responsibility when bid preparation and submission out of the following? Inspect the site Prepare bond requirements Submit bid Inform all bidders of any changes in dates and...
-
Michael Metals Limited (MML) has been a private company since it was incorporated under federal legislation over 40 years ago. At the present time (September, Year 5), ownership is divided among four...
-
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
-
Derek borrows $32,311.00 to buy a car. He will make monthly payments for 6 years. The car loan has an interest rate of 6.49%. After a 13.00 months Derek decides to pay off his car loan. How much must...
-
Crescent Lighting Inc. produces and sells lighting fixtures. An entry light has a total cost of $80 per unit, of which $36 is product cost and $44 is selling and administrative expenses. In addition,...
-
Discuss the fairness of the two proposals included in Test Yourself Question 1.
-
What are the total debits and credits shown on the sales journal?
-
Pettigrew Company produces a product that has a variable cost of $13 per unit; the product sells for $28 per unit. The companys annual fixed costs total $375,000; it had net income of $75,000 in the...
-
A rectangle is inscribed under the graph of f(x) = 9-a in the first quadrant. (x.9-x) Determine the value of x that maximizes the area of the rectangle under f(x) = 9-x having lower left corner (0,...
-
What problem might develop with the casing of the dry-cell battery shown on page 385 if it is not made thick enough? Explain. Cross Section of a Dry-Cell Battery wwwww - MnO paste around graphite...
-
Suppose gold were not available for a wedding ring, but you still wanted a ring that would last forever and not corrode. According to the EMF series on page 391, what would be a good alternative...
-
A 360-lb motor is bolted to a light horizontal beam. The unbalance of its rotor is equivalent to a 0.9-oz weight located 7.5 in. from the axis of rotation, and the static deflection of the beam due...
-
A man ties one end of a strong rope 8.62 m long to the bumper of his truck, 0.597 m from the ground, and the other end to a vertical tree trunk at a height of 3.75 m. He uses the truck to create a...
-
Please answer the following questions as you reflect on the above scenario. Be sure to answer each question adequately, thoroughly and concisely, while also aligning with the appropriate NAEYC Code...
-
Two point charges are positioned in the x-y plane as shown in the figure. y (mm) 90 80 70 60 50 40 30 20 10 0 0 Q2 10 20 30 40 4 Q1 50 60 70 80 90 x (mm) The point charges have the following values:...
-
QUESTION 1 Being Young, Active and Physically Fit May Be Very Good for Your Brain Physically fit young adults have healthier white matter in their brains and better thinking skills than young people...
-
In 2021, you won the championship in a show. You can choose any one (1) of the following reward packages. Option 1: You will receive an amount of 10,000 in 10 years. Option 2: Starting from today,...
-
Teddy Sargent opened an accounting firm on May 1, 2013. During the month of May the business completed the following transactions: May 1 The business sold $80,000 of shares to open the firm, Sargent...
-
Nike manufactures shoes and sportswear. How has the Internet changed the way this company communicates with its suppliers and retail customers?
-
The field of view of a simple two-element astronomical telescope is restricted by the size of the eye-lens. Make a ray sketch showing the vignetting that arises.
-
Figure P.5.105 shows a pinhole in an opaque screen being used for something practical. Explain whats happening and why it works. Try it. Figure P.5.105 |Pinhole | Pinhole
-
An object 20 m from the objective ( 0 = 4 m) of an astronomical telescope is imaged 30 cm from the eyepiece ( 0 = 60 cm). Find the total linear magnification of the scope.
-
Required information Research Case 10-2 (Static) FASB codification; locate and extract relevant information and cite authoritative support for a financial reporting issue; restoration costs; asset...
-
Assets Cash Bowers Corporation Comparative Balance Sheets December 31, 20x2 and 20x1 ($ in thousands) Accounts receivable Short-term investment Inventory Land Buildings and equipment Less:...
-
Dwight Donovan, the president of Franklin Enterprises, is considering two investment opportunities. Because of limited resources, he will be able to invest in only one of them. Project A is to...
Study smarter with the SolutionInn App