Explain when mg is added directly to the beaker of hcl

Assignment Help Chemistry
Reference no: EM13321258

When magnesium metal is added to a beaker of HCl (aq), a gas is produced. a) Knowing that magnesium is oxidized and that hydrogen is reduced, write the balanced equation for the reaction. b) How many electrons are transferred in the balanced equation? c) What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl? d)How can you harness this reaction to do useful work?

Reference no: EM13321258

Questions Cloud

Find his expected yield assuming the bond is sold in 2 year : David Hoffman purchases a $1,000 20-year bond with an 8 percent coupon rate (annual payments). Yields on comparable bonds are 10 percent. David expects that
Derive equation for the torque in terms including resistance : A movable cone fits inside a stationary conical depression. If a torque is applied to the cone, the cone will rotate at a certain speed depending on the angles θ and β, the radius r o, and the viscosity μ of the liquid.
The average time for the 20 missile guidance controls : What will be the average time for the 20 missile guidance controls
Explain the two types of interest rate risk : Define interest rate risk. Explain the two types of interest rate risk. How can an investor with a given holding period use duration to reduce interest rate risk?
Explain when mg is added directly to the beaker of hcl : What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl. How can you harness this reaction to do useful work
How different is your answer from the actual price change : Calculate the duration for a $1,000, 4-year bond with a 4.5 percent annual coupon, currently selling at par. Use the bond"s duration to estimate the percentage change in the bond"s price for a decrease
Discuss how the nec3 form of contract provides stimulus : Discuss how the NEC3 form of contract provides stimulus to good management and compare and contrast this where possible with other forms of contract.
Has the bank set the 5-year rate correctly : A commercial bank made a 5-year term loan at 13 percent. The bank"s economics department forecasts that 1 and 3 years in the future the 2-year interest rate will be 12 percent and 14 percent, respectively
What is the max flowrate which will occur without cavitation : If the water temperature is 70 degrees C (vapor pressure of water at 70 degrees C is 31.2 kPa absolute), and the pressure in the pipeline is 275 kPa, what is the maximum flowrate which will occur without cavitation

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how many moles of each are present in the eq mixture

How many moles of each are present in the eq mixture b)Calculate the equilibrium constant

  What volumes of hydrogen gas and nitrogen gas are produced

TNT(trinitrotoluene) decomposes exposively What volumes of Hydrogen gas and Nitrogen gas are produced if 5.8 liters of CO is produced ?

  What is the limiting reagent

consider the combustion of methane, CH4:CH4 + 2 O2 (g) -->CO2(g) + H2O suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen what is the limiting reagent?

  State coordinated dihydrogen by x-ray diffraction

Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than

  Evaluate the observed rotation of a mixture

Calcultae the observed rotation of a mixture of + and - tartaric acid containing 60% of the S isomer

  Explain what is the empirical formula of the phosphorus

A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide

  How many moles of gas were collected

A gas evolved during the fermentation of sugar was collected at 22.5 degrees celsuis and 702 mmHg. After purification its volume was found to be 25.0 L. How many moles of gas were collected?

  Explain iodide and hypochlorite ions

The reaction is found to be first order each in iodide and hypochlorite ions, and inversely proportional to the concentration of hydroxide ion present in the solution.

  State the activity coefficient of x

Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.

  Explain the concentration of acetic acid in the bottle

The strength of a bottle of vinegar was determined by adding potassium carbonate to a 20 ml sample of vinegar until bubbling ceased. The amount potassium carbonate added at the point the bubbling ceased was 1.134 grams. What is the concentration o..

  Explain the ksp of barium fluoride

The Ksp of barium fluoride is 1.0 x 10^-6. The Ksp of calcium fluoride is 3.9 x 10^-11. What is the remaining concentration of the first ion to precipitate when the second ion begins to precipitate?

  Define the occupational safety and health administration

The Occupational Safety and Health Administration has set the limit on the maximum percentage of carbon dioxide (CO2) in air a worker can breathe at 0.500% by mole.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd