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

  Describe how would your result be affected

Describe how would your result be affected if you mistook a negative Starch-iodide test and stopped adding the NaOCl solution too early?

  State anthracene and phenanthrene will undergo

Both anthracene and phenanthrene will undergo addition with Br2. Anthracene adds Br2 at the 9- and 10-position. Is this consistent with the MO(s) shown in the SHMO program?

  Calculate the molar enthalpy of combustion

Calculate the molar enthalpy of combustion of Phosphorous when this combustion process was carried out under the constant pressure?

  State the extraction yields of chlorophyll

If aqueous acetone (80% acetone, 20% h2o) is used as the extraction solvent instead of 100% acetone, the extraction yields of chlorophyll a and beta carotene

  Compartment contains a saturated solution of silver iodide

Consider the following electrochemical cell at 298 K. One compartment contains a 1.00-M solution of silver nitrate. The other compartment contains a saturated solution of silver iodide

  How much heat is released

B2H6 + 3O2= B2O3+3H2O ; delta H=-2035 KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?

  What will be the theoretical yield of water in grams

If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?

  How many grams of acetic acid are in vinegar

if 3.55 mL of vinegar needs 43.0 mL of 0.130 M sodium hydroxide to reach the equilavence point in a titration, how many grams of acetic acid are in a 1.6qt sample of this vinegar?

  State ph of starting buffer

Calculate the pH of 1.00 L of the buffer 1.01M CH3COONa/1.01M Ch3COOH before and after the addition of the following species. (Assume there is no change in volume). (a) pH of starting buffer:

  What is the molar mass of the unknown gas

A sample of an unknown gas effuses in 10.5 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.07 min. What is the molar mass of the unknown gas?

  Finding intervals and frequency between the lines

Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.

  What is the approximate ratio of the molar concentrations

What is the approximate ratio of the molar concentrations of CO_2(aq) in the soda before it is opened to that in the soda after it has been opened and reached equilibrium with the surrounding atmosphere

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