How many gramns of magnesium hydroxide should be recovered

Assignment Help Chemistry
Reference no: EM13176195

magnesium powder reacts with steam to form magnesium hydroxide and hydrogen gas. What is the pecentage yield of 10.1g Mg reacts with an excess of water abnd 21.0g Mg 9g (OH)2 is recovered?

If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.

Reference no: EM13176195

Questions Cloud

Perform vertical analysis on the income statements : Perform vertical analysis on the income statements and balance sheet information for fiscal periods 2011 and 2010.
Overpopulated : If the world is "overpopulated" then should we close all hospitals and eliminate welfare to help reduce population by only allowing only the most fit (as chosen by nature, not by government) to survive Or should government actively decide who is allo..
Determine the net change of oxidation number : determine the net change of oxidation number of each of the elements in the redox equations.
What is the equilibrium expression for following reaction : What is the equilibrium expression for the following reaction. Please interpret as an equilibrium symbol.
How many gramns of magnesium hydroxide should be recovered : If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.
State what phase changes occur when the pressure is held : What phase changes occur when the pressure is held constant at 0.25 atm and the temperature increases from 100 °C to 300 °C?
What is the kb of codeine : Codeine, C18H21NO3, a commonly prescribed painkiller, is a weak base. A saturated aqueous solution contains 1.00 g codeine in 120 mL of solution and has a pH = 9.8. What is the Kb of codeine?
Calculate the heats of combustion of these alcohols : Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
How much hydrogen gas was produced : All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?

Reviews

Write a Review

Chemistry Questions & Answers

  How much zinc oxide do you need

Zinc is extracted from its ore by heating with carbon in the blast furnace. How much zinc oxide do you need to make 130 g of zinc?

  How many miligrams is needed

A dose of aspirin is 5.0mg/kg body weight has been prescribed to infant that weighs 8.5lbs. How many miligrams is needed.

  Compute the volume of water required to reconstitute

Calculate the volume of water required to reconstitute (also referred to as solubilize) the entire contents of the vial of ovalbumin to a final concentration of 6.1 mM.

  Explain the mass percent of an element in a compound

The mass percent of an element in a compound is the mass of the element (total mass of the element's atoms in the compound) divided by the mass of the compound

  Explain adenine forms three hydrogen bonds with thymine

In the DNA double helix, adenine forms three hydrogen bonds with thymine D) In the DNA double helix, cytosine forms three hydrogen bonds with guanine

  Explain mol of potassium hydroxide is added to the buffer

A buffer initially contains 0.10 mol acetic acid and 0.13 mol of sodium acetate in 1.00 L. 0.02 mol of potassium hydroxide is added to the buffer

  What would the volume of the gas be

A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?

  How many grams of carbon dioxide will be produced

C2H4 + 3O2 = 2CO2 + 2H2O If you start with 54 grams of ethylene (C2H4) how many grams of carbon dioxide will be produced?

  Determine the molar concentration of the original acid

Determine the molar concentration of the original acid solution and find pH and a % ionization of the acid in the original solution.

  State what is the ph of a solution made by dissolving

What is the pH of a solution made by dissolving 46g of acetic acid in enough water to make 700 ml of solution

  Find the pressure of gas sample in units of torr

In a manometer the mercury level at the open end of the tube is 215 mm higher than at the closed end of the tube. If the atmospheric pressure is 1 atm.

  Calculate the ph of a buffer solution

Calculate the pH of a buffer solution prepared by dissolving 0.200 moles of benzoic acid (C6H5COOH) and 0.450 moles of sodium benzoate (C6H5COONa in enough water to make 1.00 L of solution

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