To form 14.6 grams of iron(iii) oxide, or rust, about 4.4 grams of oxygen are required, based on the stoichiometry of the rust-forming reaction.
Explanation:The formation of rust, or iron(iii) oxide, involves the reaction of iron with oxygen. To determine the amount of oxygen needed for this process, we need to understand the stoichiometry of the reaction. Two moles of iron react with one mole of oxygen to produce two moles of iron(iii) oxide. The molar mass of iron (Fe) is approximately 56 g/mol, of oxygen (O) is about 16 g/mol, and Iron(III) Oxide (Fe2O3) is ~160 g/mol.
To calculate the grams of oxygen needed for 14.6 g of rust (Fe2O3), you first convert the given mass of iron(iii) oxide into moles, then use the stoichiometry of the reaction to determine how many moles of oxygen are required.
14.6g Fe2O3 * (1 mol Fe2O3/160 g) = 0.09125 mol Fe2O3
The reaction indicates that for every 1 mole of Fe2O3 produced, 1.5 moles of oxygen(O2) are needed. So:
0.09125 mol Fe2O3 * (1.5 mol O2/1 mol Fe2O3) = 0.137 mol O2
Finally, convert moles of oxygen into grams:
0.137 mol O2 * (32 g/mol) = approximately 4.4 grams
So, for 14.6g of Fe2O3 to form, around 4.4 g of O2 are needed.
Learn more about Chemistry here:https://brainly.com/question/13428382
#SPJ12
To produce 14.6 g of iron(III) oxide, approximately 4.39 grams of oxygen are needed. The nearest answer is option b. 4.4 g
The calculation involves converting grams to moles, using the stoichiometric ratio from the balanced equation, and then converting back to grams.
Each step uses the molar masses of the reactants and products.To determine how many grams of oxygen are needed for the reaction, we start with the balanced chemical equation for the formation of iron(III) oxide (rust):
4 Fe + 3 O₂ → 2 Fe₂O₃We know that 14.6 g of Fe₂O₃ is produced.
The molar mass of Fe₂O₃ is calculated as follows:
(2 x 55.85 g/mol Fe) + (3 x 16.00 g/mol O) = 111.7 g/mol Fe + 48.0 g/mol O = 159.7 g/mol Fe₂O₃Next, we convert 14.6 g of Fe₂O₃ into moles:
14.6 g Fe₂O₃ / 159.7 g/mol Fe₂O₃ ≈ 0.0914 mol Fe₂O₃According to the balanced equation, 2 moles of Fe₂O₃ are produced from 3 moles of O₂. Thus, the moles of O₂ needed are:
(3 moles O₂ / 2 moles Fe₂O₃) x 0.0914 mol Fe₂O₃ ≈ 0.1371 mol O₂Finally, we convert moles of O₂ to grams of O₂ using the molar mass of O₂ (32.00 g/mol):
0.1371 mol O₂ x 32.00 g/mol = 4.3872 g O₂Therefore, approximately 4.39 grams of oxygen are needed to produce 14.6 g of iron(III) oxide.
Correct question is: Consider the reaction 2Fe(s) + 30₂ (g) ► Fe₂O₃(g) . If 14.6 g of iron(III) oxide (rust) is produced from a certain amount of iron, how many grams of oxygen are needed for this reaction?
a. 1.85 g
b. 4.4 g
c. 3.74 g
d. 2.68 g
what kind of room has no doors or windows?
What type of reaction is responsible for linking amino acids together to form polypeptides?
What is the density of a mineral with a mass of 41.2g and a volume of 8.2 cm?
Which of the following compounds will produce H2O as one of the products when it decomposes?
a.) Hg(ClO3)2
b.) Cu(OH) 2
c.) CaO
d.) MgCO3
Cu(OH)2 will decompose to give water as one of the products
The decomposition reaction will be
Cu(OH)2(s) ----> CuO(s) + H2O(l)
Hence it is giving water as product
When a mixture of ice and water originally at 0 is heated, the temperature remains constant until all of the ice melts?
When heat is applied during a phase change, there is zero change in temperature. This is because all the heat supplied is used to break the bonds of the solid molecules to form liquid molecules. So in essence, there the temperature remains constant until all solid molecules bond are broken down (until all ice melts into liquid).
So the answer is Yes or True.
Ionic bonds are strong; therefore, ionic compounds
Under what conditions will deviations from the "ideal" gas be expected? select all that apply. low temperatures high temperatures low pressure high pressure
Ideal gas law is valid only for ideal gas not for vanderwaal gas. At very low temperatures and very high pressures, real gases deviate from the behavior predicted by gas laws.
What is ideal gas equation?Ideal gas equation is the mathematical expression that relates pressure volume and temperature.
Mathematically the relation between pressure, temperature and volume is given as
PV=nRT
where,
P = pressure of ideal gas
V= volume of gas
n =number of moles of gas
T =temperature
R = Gas constant = 8.314J/K/mo
This law is not valid at very low temperatures and very high pressures because of the interaction between the particles increases and the factor of reduced volume come into picture.
Therefore, at very low temperatures and very high pressures, real gases deviate from the behavior predicted by gas laws.
To learn more about ideal gas equation, here:
https://brainly.com/question/14826347
#SPJ5
This is a(n) ____ reaction. c12h22o11 + h2o → c6h12o6 + c6h12o6
When a candle is burning is it a physical or chemical change?
Which is the correct number of valence electrons in the element sulfur (s)?
Answer:The answer is 6
Explanation:
Studies involving humans or animals are conducted under strict policies and procedures. This solution addresses which limitation?
A) Lack of proper equipment
B) Size of the system
C) Limited amount of time
D) Ethical Concerns
Answer:
D, concerns
Explanation:
edge 23
The process in which water changes from a liquid to a vapor is known as __________.
Which is an example of a chemical change?
a.the separation of a mixture into its components
b.the separation of a compound into its elements
c.the separation of gases from liquids
d.the separation of air into oxygen, nitrogen, and other components?
A chemical change involves the conversion of substances into different substances, as in the separation of a compound into its elements which requires breaking chemical bonds, unlike a physical change.
Explanation:An example of a chemical change is the separation of a compound into its elements. This process involves breaking chemical bonds and forming new substances with different properties than those of the original compound. For instance, table salt (a compound of sodium and chlorine) cannot be separated into sodium and chlorine by physical means like filtering or distillation; it requires a chemical process. In contrast, physical changes, such as the separation of a mixture or the condensation of steam, do not produce new substances and are reversible.
Burning of gasoline and the souring of milk are also examples of chemical changes, where original substances are transformed into new ones, such as carbon dioxide and water from gasoline, and denatured proteins and produced acid from milk.
A classic chemical change can be observed when natural gas is burned in a furnace, converting methane and oxygen into water and carbon dioxide, signifying not just a visual change but a molecular transformation as well.
Suppose you have a rock that, when it solidifies, contains 1 microgram of a radioactive isotope. how much of this isotope remains after five half-lives?
Calcium chlorate has the formula Ca(ClO3)2. Which best describes the structure of calcium chlorate? One molecule of calcium chlorate contains nine atoms. Calcium chlorate is an element that contains three atoms. It takes nine different elements to make one molecule of calcium chlorate. Calcium chlorate contains two Ca groups.
The formula Ca(ClO3)2 breaks down to 1 calcium atom, 2 chlorine atoms, and 6 oxygen atoms. One molecule of calcium chlorate contains 9 atoms. Thus the correct option is A.
How calcium chlorate is formed?Calcium chlorate is formed by passing chlorine gas through a hot suspension of calcium hydroxide in water, producing calcium hypochlorite, which disproportionate when heated with excess chlorine to give calcium chlorate and calcium chloride.
6 Ca(OH)2 + 6 Cl2 → Ca(ClO3)2 + 5 CaCl2 + 6 H2O
This is also the first step of the Liebig process for the manufacture of potassium chlorate. Liebig's method is used for the estimation of carbon and hydrogen.
For more detail regarding calcium chlorate, visit:
https://brainly.com/question/4208907
#SPJ2
How many moles al2o3 are needed to neutralize 1 mole of hcl?
12 the products of the neutralization reaction between hydrochloric acid and magnesium hydroxide are
Appropriate units for the speed of a chemical reaction, the reaction rate, are _______.
A triacylglycerol is composed of 3 glycerol molecules joined to a fatty acid.
a. True
b. False
Carbon monoxide (co ) is used as a purifying gas in mond's process to produce nickel from its ores. what type of bonding occurs between the atoms of a co molecule?
Answer is: covalent bond.
Covalent bond is bond between nonmetals. Carbon (C) and oxygen (O) are nonmetals.
Carbon atom and oxygen atom are connected by a triple bond (six shared electrons in three bonding molecular orbitals) that is formed of two covalent bonds and one dative covalent bond.
Dative covalent bond is formed by two electrons derive from the oxygen atom.
Carbon monoxide is a colorless, odorless, toxic and tasteless gas.
What was the significance of the smog in Donora & London ?
a. People stopped burning coal to heat their homes
b. The public became aware of air pollution
c. Clean air acts were implemented.
d. Both B and C are correct
If a mineral has a daughter to parent ration of 3:1 (three daughter atoms for every one parent atom), how many half-lives have passed since the mineral formed?
In what order do the levels get filled with electrons?
The first level must be filled with two electrons before electrons can be added to the second level.
(Plato users)
The organic compound ketone contains which functional group?
A.) hydroxyl
B.) ester
C.) ether
D.) carbonyl
D on plato! #platofamily
In a titration, what is the name of the substance that is being determined?
Titration is done using a titrant and analyte. In a titration the name of the substance that is being determined is called the analyte.
What is titration?Titration is an analytical method of finding concentration of a solution using a known concentration of a standard reagent. The standard reagent is called titrant and the solution with unknown concentration is called analyte.
There are different types of titrations such as acid-base titration, complexometric titration, potentiometric titrations etc. All these need an indicator and used to determine the end point by a color change.
In acid-base titration, acid is taken in the burette and base in the pipette and using an indicator the end point is noted.
In complexometric titration, metal solutions are analyzed with an indicator capable of forming complex with the metal. In this way in all types of titrations the normality or molarity of the solution.
Hence, the substance being determined using titration is called analyte.
To learn more about titration, refer the link below:
https://brainly.com/question/2728613
#SPJ2
The presence of the carbon-carbon double bond in eugenol can be tested using the bromine water test. write a balance equation for the reaction involved in this test?
How many moles of carbon are in 3.5 moles of calcium carbonate? ______?
Answer : The number of moles of calcium carbonate are 3.5 moles.
Explanation : Given,
Moles of carbon = 3.5 mole
The chemical formula of calcium carbonate is, [tex]CaCO_3[/tex]
By the mole concept:
In [tex]CaCO_3[/tex], there are 1 mole of calcium (Ca) atom, 1 mole of carbon (C) atom and 3 moles of oxygen (O) atoms.
As, 1 mole of carbon present in 1 moles of [tex]CaCO_3[/tex]
So, 3.5 mole of carbon present in 3.5 moles of [tex]CaCO_3[/tex]
Hence, the number of moles of calcium carbonate are 3.5 moles.
The number of moles of Carbon contained in 3.5 moles of Calcium Carbonate is; 3.5 moles of Carbon.
According to the question;
We are required to determine How many moles of carbon are in 3.5 moles of calcium carbonate.
The chemical formula of Calcium Carbonate is; CaCO3.
In essence, Calcium Carbonate contains;
1 atom of Calcium1 atom of Carbon3 atoms of Oxygen.Consequently, since 1 mole of Calcium Carbonate contains 1 mole of Carbon.
By proportion, 3.5 moles of Calcium Carbonate must contain 3.5 moles of Carbon.
Read more:
https://brainly.in/question/8803103
Which is the best description of the chemical reaction shown here in aqueous solution? ch3ch2cooh (aq) ↔ ch3ch2coo- (aq) + h+ (aq)?
Final answer:
The chemical reaction is an equilibrium reaction representing the partial dissociation of a weak acid, acetic acid, into acetate ions and hydrogen ions in aqueous solution.
Explanation:
The chemical reaction CH3CH2COOH (aq) ↔ CH3CH2COO- (aq) + H+ (aq) in aqueous solution is best described as the dissociation of a weak acid in water. This reaction is written as an equilibrium because it does not go to completion, and both the forward (dissociation) and reverse (re-association) reactions are occurring simultaneously. This reaction shows acetic acid partially ionizing in water to form acetate ions (CH3CH2COO-) and hydrogen ions (H+). The double arrows indicate that the reaction can proceed in both the formation and the re-formation of acetic acid. This behavior is common among weak acids, which do not completely dissociate in water.
What is a reduction potential chart show? What information does it have?
Answer:
It shows the reduction-oxidation tendency of chemical species present in the chart.
Explanation:
The reduction potential chart also known as activity series or electrochemical series is a reference series or chart constructed on the basis of reduction potential of standard hydrogen electrode (SHE). The standard reduction potential of SHE is considered to be zero.
Any species which can reduce SHE has negative reduction potential in the chart.
Any species which can oxidize SHE has positive reduction potential in the chart.
Higher the reduction potential more the tendency to undergo reduction and to oxidize others.
Lower the reduction potential more the tendency to undergo oxidation and to reduce others.
Why doesn't potassium fluoride conduct electricity as a solid?
Potassium fluoride doesn't conduct electricity as a solid because its ions are locked in a fixed crystal lattice structure, and aren't free to move. However, when dissolved or melted, the ions can move freely, making it a conductor. Another factor is the large band gap in its molecular orbitals which prevents easy movement of electrons.
Explanation:Potassium fluoride, like all ionic compounds, does not conduct electricity in its solid state because the ions in ionic solids are tightly held together by strong electrostatic attractions and thus, aren't free to move. The capacity to conduct electricity requires charged particles to move freely. In substances like potassium fluoride, these charges are locked in a fixed position within a crystal lattice structure.
However, this changes when potassium fluoride is either dissolved in water or melted, essentially when it is no longer in a solid state. In these cases, the ions of potassium and fluoride are free to move around and can carry an electric current. This freedom of movement of ions is referred as the substance being in a molten or dissolved state.
The concepts of valence and conduction bands in molecular orbitals of solids also play a role. In conductors, only a very small amount of energy is required to move electrons from the valence band to the conduction band whereas in insulators like potassium fluoride in its solid state, the band gap is large, making it a poor conductor of electricity.
Learn more about Electricity Conductance in Ionic Solids here:https://brainly.com/question/35377575
#SPJ3