Answered: Setting of Plaster of Paris takes place…

Science

Chemistry

Setting of Plaster of Paris takes place due to(a) Solder(b) Bronze(c) Brass(d) Bell metal

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 28P

See similar textbooks

Related questions

Q: pestion 18 of 18 A current of 4.12 A is passed through a Ni(NO,), solution. How long, in hours,…

Q: 1. a). Briefly explain the electroplating process with a neat diagram. b). Write the applications…

A: 1. a) Electroplating is the process of coating one metal over another metal using electrolysis. This…

Q: Question: What volume of oxygen gas (at STP) is produced by the oxidation of water at the anode in…

A: The process in which decomposition of electrolyte and deposition of ions takesplace at electrodes is…

Q: Write a balanced half-reaction for the reduction of nitrate ion NO3- to gaseous nitrogen dioxide NO2…

A: In balanced reaction we have same number of atom in reactant and product side.

Q: What feature of an oxidation-reduction reaction allowsit to be used to generate an electric current?

A: What feature of an oxidation-reduction reaction allowsit to be used to generate an electric current?

Q: EMISTRY [References) Use the References to access important values if needed for this question. How…

Q: A current of 5.31 A is passed through a Fe(NO,), solution. How long, in hours, would this current…

Q: acid sulfate solution in plating the different metals commonly used in industry

A: Acid plating consists of copper sulphate and sulphuric acid which is an integral composition when it…

Q: Environmental factors play a key role in the corrosion process and affect the rate of corrosion very…

A: Environmental Factors that the Corrosion: 1.Moisture, Dew and Condensation: Moisture, whether in the…

Q: Which of the following aboutsacrificial anodes is wrong? a)Generally, low percentage alloys are…

A: Sacrificial anodes protect metals from corrosion, it works by oxidizing more quickly than the metal.…

Q: Zinc is used as a “sacrificial” anode on hulls of salt water vessels made of iron. The effect is to…

A: In electro chemistry, the more positive standard reduction potential containing spices act as a…

Q: (a) Based on standard reduction potentials, would youexpect copper metal to oxidize under standard…

Q: (a) Magnesium metal is used as a sacrificial anode to protectunderground pipes from corrosion. Why…

A: Sacrificial anode- It is one of the methods to prevent metal from corrosion by cathodic protection.…

Q: Write balanced redox equations for the following reactions. Show the full balancing process and…

A: Balanced the given above redox reaction under given conditions?

Q: How many Faraday is needed to deposit 1.9 g of Aluminium (Al) from AICI3 solution using electrolysis…

A: We have , AlCl3------>Al3+ +3Cl- And, Al3+ + 3e------> Al which means that 3 mole e- is…

Q: The change in ethalphy of surroundings is ___________ if the reaction on the system is endothermic.…

Q: For the following redox reaction, what is the sum of the balancing coefficients when properly…

A: Q1) H2O2 + Cr2O72- -------------> O2 + Cr3+ (Acidic medium) a) separation of the reaction into…

Q: (b) Calculate the mass of aluminium deposited in electrolysis of AICI3, if a current of 10 A flow…

Q: Use the Nernst equation to show that Ece = Eel under standard conditions.

A: The Nernst's equation tells about the relation of concentration of species and cell…

Q: How many Faraday is needed to deposit 5 moles of Aluminium (Al) from AICI3 solution using…

A: Given that, Moles of Al = 5 mol No. Of Faraday = ?

Q: Please help me answer this question, thank you! Based on the field of interest (Civil Engineering),…

A: Surveying Tapes are used in surveying to take linear measurements. They are available in different…

Q: How many Faraday is needed to deposit 2.0 g of Aluminium (AI) from AICI3 solution using electrolysis…

A: 1 mole = 6.022×1023 [ Avogadro's number] The charge of 1 mole of electrons is called one Faraday.

Q: How many moles of chromium would be electroplated by passing a current of 5.2 amperes through a…

A: Given, Current (I) = 5.2 A Time (t) = 45.0 min = (45.0 × 60) s = 2700 s Moles of chromium (Cr) = ?…

Q: ). Briefly explain the galvanizing process with a neat diagram. b). Write the applications of…

A: Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of…

Q: What is the chemistry behind the following: 3. Compare iron and aluminum in terms of their property…

A: Compare iron and aluminum in terms of their property to resist corrosion given below.

Q: How many Faraday is needed to deposit 5 moles of Aluminium (AI) from AICI, solution using electro…

Q: A current of 75,000 A is passed through an electrolysiscell containing molten MgCl2 for 7.0 days.…

A: The Faraday’s Laws of electrolysis gives the information about the quantitative aspects taken place…

Q: Write a balanced half-reaction for the reduction of aqueous nitrous acid (HNO, to gaseous nitric…

A: Oxidation states of elements in HNO2 is; H = +1, N = +3, O = -2 Oxidation states of elements in NO…

Q: Some years ago a unique proposal was made to raise theTitanic. The plan involved placing pontoons…

A: Since 1 mole electrons = 96500 C The coulombs of electrical charge would be calculated as:

Q: The overall reaction for the Ag|Ag+||Cu2+|Cu cell is?

Q: 5 Compare between ceramic and metal from viewpoint of corrosion

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: Cu(NO,), would you expect

A: We can write the balanced equation and can determine the theoretical yield from the equation. The…

Q: Write a balanced half-reaction for the reduction of iodate ion (Io, to solid iodine dioxide (IO,) in…

A: Given: Reduction of iodate i.e. IO3- ion to solid iodine dioxide i.e. IO2 in an acidic medium.

Q: At what pH will cotton corrode or decompose?

A: The cotton corrodes or decomposes in presence of Acid as it is damaged slowly by chemical action.…

Q: Write a balanced half-reaction for the oxidation of manganese ion (Mno,) to permanganate ion in…

A: Steps to balance reactions in basic medium: 1) Find the oxidation state of each atom, 2) Balance the…

Q: How many minutes will take to deposit 40.00 g of Ni form a solution of NiSO4 using a current of…

A: Faradays first law of electrolysis – During electrolysis of any material, the amount of material…

Q: Write a balanced half-reaction for the reduction of nitrate ion (N0, ) to gaseous nitrogen dioxide…

A: Reduction of Nitrate to NO2(g) in basic mediumStep 1 NO3- → NO2(g)Oxidation state of…

Q: Anode is the electrode connected to the negative terminal of the current/voltage source and cathode…

A: The cathode is connected to the negative terminal of the voltage source and anode to the positive…

Q: Zinc is used as a “sacrificial” anode on hulls of salt water vessels made of iron. The effectis to…

A: Half cell reactions: Oxidation half Zn -----> Zn2+ + 2e- (Anode) Reduction half Fe2+ + 2e-…

Q: Determine the half-reaction at the cathode.

Q: The first element to be prepared by electrolysis was potassium. In 1807, Humphry Davy, then 29 years…

A: Electrolysis of molten potassium hydroxide results in formation of liquid potassium, water and…

Q: at the cathode during discharge?

Q: what is electrochemistry??

A: The detailed solution is done below. Electrochemistry is the branch of chemistry which deals with…

Q: At what pH will the voltage equal to 0 V? Considering all the other species are in standard…

A: The pH of the solution is the hydrogen ion concentration, pH=−log[H+]. The hydrogen ion…

Question

Setting of Plaster of Paris takes place due to
(a) Solder
(b) Bronze
(c) Brass
(d) Bell metal

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

What unit is used to measure the magnitude of electrical current?
1. a). Briefly explain the electroplating process with a neat diagram.b). Write the applications of electroplating process.(minimum 1 and half pages including diagram.)
Environmental factors play a key role in the corrosion process and affect the rate of corrosion very intensely. List out and elaborate any five factors.
‘ Corrosion is an electrochemical phenomenan’, explain.
Approximate the expected voltage for the following electrochemical reaction using a the given molal concentrations and b the calculated activities using simple Debye-Hckel theory. The value for both Zn2+ and Cu2+ is 61010m. Zn(s)+Cu2+(aq,0.05molal)Zn2+(aq,0.1molal)+Cu(s) Explain why you get the answers you do.
A galvanic cell is constructed in which the overall reactionis Cr2O72(aq)+14H2O+(aq)+6I(aq)2Cr3+(aq)+3I2(s)+21H2O(l) Calculate E for this cell. At pH 0, with [Cr2O72]=1.5M and [I]=0.40M, the cell potential is found to equal 0.87 V. Calculatethe concentration of Cr3+(aq) in the cell.
Write balanced redox equations for the following reactions. Show the full balancing process and supply H+ and/or H2O as needed to obtain balance. Item g is balanced in basic medium while the rest are in acidic medium.
Given the following conditions, what is the aluminum concentration to satisfy the charge balance?
The process is known as galvanising.
Write any four applications of Aluminum Alloys
When an aqueous solution of CuSO, is electrolyzed copper metal is deposited. If a constant current was passed for 5.00 h and 404 mg of Cu (63.546) metal was deposited, what was the current?
Some years ago a unique proposal was made to raise theTitanic. The plan involved placing pontoons within theship using a surface-controlled submarine-type vessel.The pontoons would contain cathodes and would befilled with hydrogen gas formed by the electrolysis ofwater. It has been estimated that it would require about7 x108 mol of H2 to provide the buoyancy to lift the ship (a) How many coulombsof electrical charge would be required? (b) Whatis the minimum voltage required to generate H2 and O2 ifthe pressure on the gases at the depth of the wreckage (2mi) is 300 atm? (c) What is the minimum electrical energyrequired to raise the Titanic by electrolysis? (d) What isthe minimum cost of the electrical energy required togenerate the necessary H2 if the electricity costs 85 centsper kilowatt-hour to generate at the site?