# O2 Fe(Oh)2 = Fe2O3 H2O

eqH_2O_(l) + Fe(OH)_2(s) + O_2(g) ightarrow Fe(OH)_3(s)/eq unbalanced

a) Write the balanced equation, if the coefficient 4 is in front of the product, eqFe(OH)_3/eq

b) Determine the number of molecules of eqFe(OH)_2/eq that are needed lớn produce 4 moles of product.

Bạn đang xem: O2 fe(oh)2 = fe2o3 h2o

c) How many grams of eqFe(OH)_2/eq are needed be prepare 4 moles of eqFe(OH)_3/eq?

d) Write the names và physical states of each substance in this process.

## Stoichiometry:

One of the essential steps of stoichiometric calculation is mole comparison, without which one cannot get unknown moles and without these moles, mass also cannot be computed.

The given reaction is shown below.

eqH_2O_(l) + Fe(OH)_2(s) + O_2(g) ightarrow Fe(OH)_3(s)/eq

Part a

If the coefficient 4 is... Learn about the mole ratio. Understand the definition of mole ratio, how to lớn find mole ratio in stoichiometry, & see examples of using mole ratio in problems.

Propane gas, C3H8, reacts with oxygen to... How many grams of carbon are formed when 60.0... According lớn the following equation, how many... A g sample of N2 requires 3.0 g of H2 for...
Iron metal reacts with oxygen gas lớn produce... How khổng lồ write a balanced chemical equation for... Humans long ago discovered that they could make... Complete và balance each equation. Enter no...
A solution contains 0.700 g of Mg2+ in enough... Vehicle airbags require that a very specific... The concentration of an ion in an aqueous... What is the product of benzil (aqueous) and...
Write the balanced molecular equation, total... An aqueous solution of sulfuric acid is reacted... Air bags in automobiles inflate when sodium... Assuming 17.77 grams of Al are produced in the...
Aluminum & chlorine combine to khung aluminum... How many mg of Ca^2+ are in one mEq? Write the total ionic for the combination of... Write the molecular equation for the...
Learn to define & explain what stoichiometry is. Learn how lớn convert mass to lớn mass in stoichiometry. Discover stoichiometry mass khổng lồ mass and mole khổng lồ mass problems.
How lớn Find Limiting & Excess Reactants | Limiting và Excess Reactant Formula, Calculation Steps và Example
Learn how to find the limiting và excess reactants in a chemical reaction. See example problems that calculate the limiting & excess reactants.
Learn the definition of hybrid orbitals. See different examples, such as sp hybridization. Explore how khổng lồ determine hybridization & hybridization of atoms.
Safety is a đứng top priority in laboratories, which must remain stocked with the current, effective, and mandated equipment to lớn keep scientists & others không lấy phí from harm. Learn about the importance of frequently inspected safety equipment that is easily accessible, & types of needed equipment lượt thích fire extinguishers, ventilation hoods, và eye washing stations.
Learn the difference between rate constant and rate law. Explore how khổng lồ use the rate law equation to lớn find the reaction order for one and two reactants.
Just as the Lewis dot structure can visualize molecules, it can also visualize polyatomic ions, which are ions containing multiple atoms. Explore the actions of polyatomic ions và learn how to lớn visualize them through the lens of the Lewis dot structure.
An exponent that is a fraction is a rational exponent, and fractions on values or variables represent some khung of a radical. Learn how to địa chỉ and subtract rational exponents through a series of examples.

Xem thêm: Iphone Và Ipad: Cách Cài Đặt Vị Trí Trên Iphone Trên Icloud, Hướng Dẫn Bật, Tắt Định Vị Trên Iphone

What is Avogadro's law? Learn the concepts of molar volume & standard molar volume. See how to lớn calculate molar volume và use the correct molar volume units.
Catalysts are chemical substances that are usually part of chemical reactions in which they have an effect on the rates of reaction. Study the Moffat Tunnel, how catalysts work & are used in industry, & biological catalysts.
Learn how khổng lồ find the molarity of a solution or the moles of gas in a given volume using stoichiometry. See examples of calculating moles from molarity.
Study dimensional analysis and units of measurement in chemistry. Learn how khổng lồ apply dimensional analysis và practice using it to lớn solve some example problems.
Explore electrolyte và nonelectrolyte solutions. Learn about electrolytes vs. Nonelectrolytes and how to lớn identify electrolytes in a compound.
Learn about Le Chatelier's Principle & equilibrium. Explore examples of Le Chatelier's Principle in terms of concentration, pressure, và temperature.
Learn the definition of a limiting reactant, the formula, và how to lớn determine a limiting reactant. See examples of limiting reactants & their problems.
Electrochemical cells are part of electrochemistry. Explore the parts of an electrochemical cell, the definition of an electrochemical cell diagram, the functions of the anode và the cathode, & how khổng lồ make a homemade battery.
Organic chemical reactions refer to the transformation of substances in the presence of carbon. This lesson will explore organic chemical reactions dealing with hydrocarbons, including addition, substitution, polymerization, và cracking.
Understand how DNA is replicated. Learn why DNA replicates, when DNA replicates, and how DNA replication works. Get an overview of the rates of replication of different cells.
Learn the definition of a chemical bond. Discover the three types of chemical bonds, see examples of each, và understand when the different types of chemical bonds form.
To be valid & reliable, scientific experiments must be based on data that is precise và accurate. Explore techniques for making measurements, đánh giá example measurements, và understand how khổng lồ make calculations with measurements.

Xem thêm: Soạn Bài Tục Ngữ Về Thiên Nhiên Và Lao Đông Sản Xuất Lớp 7, Please Wait

Elements and compounds multiply & new compounds form through the processes of decomposition & synthesis reactions. Learn about these reactions, understand how they occur, & explore their equations.
MathSocial SciencesScienceBusinessHumanities HistoryArt & DesignTech và EngineeringHealth & Medicine