Define what is the formula of the iron oxide

Assignment Help Chemistry
Reference no: EM13212978

A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)

Reference no: EM13212978

Questions Cloud

Calculate the mole fraction of benzene in the vapor : Equal numbers of moles of toluene and benzene are mixed and form an ideal solution. Compute the mole fraction of benzene in the vapor in equilibrium swith this solution.
Explain the prediction of the value of the heat transfer : Considering the condensation of a vapour only on cold vertical tubes, what factors affect the prediction of the value of the heat transfer
Why the town based on the evidence presented : In this larger geographic market, the firm's market share is low. Therefore, the defense claims, the firm does not have the market power necessary to carry out anticompetitive practices or to make them worthwhile.
Explain what is the molality of lauryl alcohol in a solution : What is the molality of lauryl alcohol in a solution of 17.1g lauryl alcohol dissovled in 185g ethanol, C2H5OH?
Define what is the formula of the iron oxide : heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)
How can merck rebuild share value after vioxx recall : As CEO of Merck, Raymond Gilmartin made the decision to stop sales of Vioxx. Should he have withheld this information since it would have a clear negative effect on share price and he has an obligation to maximize the value of these shares?
Define completely converted to the metal : A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
Explain impact on market for milk forces dairy to shut down : The market for milk is in equilibrium and Dr. Derry Del Ray's Daily Dairy is making economic profit. b. After years of lying in wait as a scout, Cookie Monster reveals himself as a member of a hostile alien invasion force. Due to their pillaging, ..
Wall street journal assignment on international finance : What are the direct quote and indirect quote of the U.S. dollar versus the currency whose issuing country's name starts with the same letter (or closest letter) as your own last name.

Reviews

Write a Review

Chemistry Questions & Answers

  State sodium hydroxide for complete neutralization

unknown concentration of sodium hydroxide for complete neutralization. What is the molarity of the sodium hydroxide solution?

  Explain when calcium carbonate is added to hydrochloric acid

When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl image from custom entry tool CaCl2 + H2O + CO2

  How many new peptide bonds would be formed

If 15 amino acids were linked together by condensation and elimination of water, how many water molecules would be lost and how many new peptide bonds would be formed.

  State the heat of combustion for a specific compound

If the heat of combustion for a specific compound is -1170.0 kJ/mol and its molar mass is 46.49 g/mol, how many grams of this compound must

  What is the number of grams of magnesium carbonate

If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?

  State the generic term used to describe the structure

the generic term used to describe the structure of the carbon nucleophile in a Wittig reaction

  Determine the keq for the reactions

Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions

  Explain what is the energy of a mole of radio wave

Radio waves are very low energy forms of electrmagnetic radiation. What is the energy of a mole of radio wave photons with a

  The temperature of drinking hlass decreased

The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added

  Define the half-life of a reaction

The half-life of a reaction, is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration to, after a second half-life to, after a third half-life ..

  How much oxygen is required

If 2.55 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -→ CO2 + H2O , how much oxygen is required? Answer in units of mol.

  The reciprocal lattice for a simple tetragonal structure

Can someone show me how to draw the reciprocal lattice for a simple tetragonal structure with a=0.4nm and c=0.5nm?

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