How many grams of CO would be required to generate 635 g CO2?
Fe2O3 + 3CO → 2Fe + 3CO2 CO: 28.01 g/mol CO2: 44.01 g/mol
[?] g CO₂

The type of chemical reaction from the problem given " Ca(OH)₂+CaSO4+Al(OH)₃ " is a redox reaction.

It is a redox reaction simply because it contains species which undergoes oxidation and the other species which undergoes the reduction process. It is on this premise that we say that the reaction from the task given above is an oxidation and reduction reaction.

In conclusion, we can now deduce from the explanation given above that the substance which undergoes oxidation is a reducing agent while the species which undergo reduction is an oxidizing agent.

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Through hydrogenation processes, an unsaturated fat can be converted to a saturated fat.

Chemically speaking, monounsaturated fats are less stable than saturated fats but more stable than polyunsaturated fats. As a result, monounsaturated fats maintain their quality longer than polyunsaturated fats.

Complete Resolution. Protein, not fat, is a factor in regulating the evolution of genetic traits. Additionally, fat aids in the absorption of vitamins A, D, E, and K. Fat serves as the body's main energy reserve and is essential for functions like digestion.

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The rate constant for the nuclide according to first-order kinetics is 0.0802 per minute.

Nuclear Decay in First-Order Kinetics:

m(t) = Me∧(-αt)

where m(t) = mass of nuclide after decay at time t;

M = mass of nuclide before decay;

α = rate constant of decay;

t = time for the decay.

When a fixed percentage of the drug is excreted per unit of time, this is known as first-order kinetics.

For example, The amount of drug in the body has a direct relationship to the rate of removal. The amount of medication eliminated per unit of time increases with concentration. The medication concentration decreases by 50% for each half-life.

Now,

m(t) = Me∧(-αt)

⇒e∧(αt) = [tex]\frac{m}{m(t)}[/tex]

applying ln on both sides;

αt = ln([tex]\frac{m}{m(t)}[/tex])

α = [tex]\frac{ln(m/m(t))}{t}[/tex]

here t= 23 minutes, M = 12.9 grams, m(t) = 2.04 grams;

dropping these values in the above equation we get,

α = [tex]\frac{ln(m/m(t))}{t}[/tex]

α = 0.0802 per minute;

The rate constant for the nuclide according to first-order kinetics is 0.0802 per minute.

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The  ratio of hydrogen to fluorine in the compound is 1:2.

What is electron configuration?

Electronic configuration, also referred to as electronic structure or electron configuration, is the configuration of electrons in orbitals around an atomic nucleus.

What is atom?

A chemical element's atom is a particular type of particle of matter. A positively charged electron or multiple negatively charged electrons surround the central nucleus of an atom. Protons and neutrons, two relatively heavy particles that make up the positively charged nucleus, may be present.

The electronic configuration of hydrogen has one valence shell order of the configuration, fluorine has two valence shells.

Therefore, ratio of hydrogen to fluorine in the compound is 1:2.

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Answer:

Alpha particles are contains of two neutrons and two protons.

Answer:

Alpha particles are subatomic fragments consisting of two neutrons and two protons. Alpha radiation occurs when the nucleus of an atom becomes unstable (the ratio of neutrons to protons is too low) and alpha particles are emitted to restore balance.

The mass is 0.81167 amu

Mass is quantitative measure of interia a fundamental quantity of all matter.

Number of protons=42

Number of neutrons = 54

Mass of all the 42 protons = 42× 1.00728= 42.30576 amu

Mass of all 54 neutrons= 54 × 1.008665 = 54.46791 amu

Calculated mass of protons and neutrons in Mo-96 nucleus= 42.30576 amu + 54.46791 amu= 96.77367 amu

Actual mass of Mo-96 nucleus= 95.962 amu

Thus, the mass defect of Mo-96 nucleus= 96.77367 amu - 95.962 amu = 0.81167 amu

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The chemical reaction between calcium (Ca) and strontium (Sr) is anticipated to be comparable to that of magnesium (Mg).

Due to the fact that sulfur is located immediately beneath oxygen on the periodic table, they are chemically identical. The electron structures of these atoms are comparable. Because of this, sulfur can create a variety of compounds that are similar to those made of oxygen.

I Group 2 Elements and Oxygen Reactions. In the presence of air, the metal oxide tarnishes to create a layer on all Group 2 elements. They violently react with pure oxygen, forming a white ionic oxide. These metals (M) burn vigorously to create a white ionic oxide, M2+O2-, when heated in oxygen.

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The mixture of spaghetti and meatballs is heterogeneous.

Heterogeneous and homogeneous mixtures are the two types of mixtures. While homogeneous mixtures seem consistent throughout, heterogeneous mixtures have clearly discernible components. A solution, which can be a solid, liquid, or gas, is the most typical kind of homogenous mixture.

A mixture is said to be homogenous if its composition is constant throughout. Because the dissolved salt is evenly distributed throughout the whole saltwater sample, the salt water described above is homogenous.

There are five different types of heterogeneous mixtures: suspensions, colloids, liquids, gases, and solids.

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The leftover energy is transformed into kinetic energy after the electrons are brought to the metal surface. hv = + Kmax is the photoelectric formula. Potassium's work function is =2.29eV=2.241.610=19J.

Kinetic energy (KE) can be calculated using the formula KE = 0.5 x mv2. Here, m stands for mass, which is a measure of how much matter is contained within an item, and v for velocity, which is a measure of how quickly the thing changes positions.

To determine the energy shift in a reaction: Energy change is defined as the difference in the bond energies of all the bonds in the reactants and products. This is known as the "energy in" and "energy out" components.

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The volume  of 5.00 M  HF that will react with 4.72  g   of  calcium hydroxide  is 0.0256 L.

volume is a mathematical quantity that defines three diamensional space.

2HF   + Ca(OH)₂ →  CaF₂ + 2H₂O

Step 1:  find the  moles  of Ca(OH)₂

moles= mass÷  molar mass

from periodic  table the molar mass of Ca(OH)₂  = 40 +( 16+1)₂= 74 g/mol

moles =  4.72 g÷  74 g/mol =0.0638   moles

Step  2:  use the  moles ratio to determine the  moles of Hf

from the equation above HF: Ca(OH)₂  is 2:1

therefore the moles of HF = 0.0638 moles x 2/1 =0.1276 moles

Step 3: find   the  volume  of HF

volume=moles /molarity

molarity =5.00 M = 5.00 mol/L

=0.1276  moles / 5.00 mol/l =0.0256 L

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Complete Question.

The complete Question is attached below

Explanation:

The reaction's statement for the equilibrium constant. To find x, substitute the final concentrations and the known K value. Determine each substance's final concentration in the reaction mixture.

Beer's law can be expressed as a straight line with the equation y = mx + b. where m is the slope and l is the incline. In this scenario, calculate c, the concentration of the unknown solution, using the absorbance discovered for your unknown together with the slope of your best fit line.

The amount of each chemical present at equilibrium is calculated using the equilibrium constant. Consider the following chemical reaction: aA+bB+cC+dD.

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Combustion reaction of ethane gas gives 4 moles of carbon dioxide and 6 moles of water. Thus, total number of moles of products is 10.

Combustion is the reaction of compounds with atmospheric oxygen to produce carbon dioxide and water. Hydrocarbon gases such as methane, ethane etc. easily burn in oxygen.

The balanced reaction of ethane gas C₂H₆ with oxygen is given here. 2 moles of ethane gas combines with 7 moles of oxygen gas forming 4 moles of carbon dioxide and 6 moles of water.

Here, all the elements of the reaction are balanced in each side and thus, the total number of moles of products is 4 + 6 = 10. Thus, option b is correct.

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0.08 gram mass of magnesium oxide will be formed.

Mass is an intrinsic property in the mass of a body. It was the  traditionally believed to the  be related to the quantity of matters in the  physical body, until it is  discovery of the atom and  particle in physics.

Mass is quantitative measure of inertia a fundamental quantity of all matters.

2Mg + O 2→2MgO

Molar mass of Mg =24 g

Molar mass of MgO =40 g

No. of moles of O2=6.022×10^20/6.022×10^23

=0.001 mole of O2

No. of moles of Mg=0.486/24

=0.02 moles  of Mg

As moles of O 2

​ are less than 0.01, O 2

 is limiting reagent and it is  0.002 moles of MgO is formed.

⇒0.002×40=0.08 g of MgO

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The fraction of chromium in cr(h2o)w21(oh)21 is 0.000185.

Regardless of how strong or weak an acid is, it dissociates into water in a similar way.

H+ A -> H A-.

Its dissociation constant value is influenced by the acid's Ka value, which is defined as the acid's dissociation constant. If Ka is higher, the acid is more acidic, and vice versa if pKa is higher, the acid is more acidic.

More pKa is equal to -log(Ka), so if Ka is 10 then pKa is -1, and if Ka is 1000 then pKa is -3, meaning that the less acidic the solution is, the more pKa there is.

Consider that I had an acid with a C initial concentration. If a certain amount of A dissociates upon equilibrium, I obtain the equilibrium concentration of the acid as C-A and the equilibrium concentration of both H and the conjugate (Ac-) as A. because their stoichiometric coefficients are nearly equal for both.

You can write the Ka expression as follows using this information.

Ka is equal to [H] [Ac-] / [HAc].

A * A / C-A results from substitution.

Fraction of chromium= Ph/Pk

=0.010/53.80=0.000185.

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In the first image the compound reacting with N₂ is LiF because F has the valency of -1. The second reaction with N₂ is the reaction with CeCl, where the oxidation state of Ce is +1. The products of the given reactions are BaSO₄ because, Ba and sulphate group both have a valency of 2.

Oxidation state of an element is the number of electrons it can lose or gain in a reaction. Halogens are having 7 valence electrons and they have to gain one electron to attain octet. Hence, their oxidation state is being -1.

In the first reaction N₂ is reacting with LiF, where Li has the oxidation number of + 1 by giving an electron to F.

In the second reaction the element with Cl is cesium and not strontium. Cesium metal loses one electron to Cl forming its +1 oxidation state.

For the third reaction , barium chloride and magnesium sulphate forms the products BaSO₄ and MgCl₂. Where the formula of barium sulphate is BaSO₄ because, both Ba and sulphate group has the oxidation number of 2.

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1.42 × [tex]10^{-1}[/tex] mol would take 14.79 min to effuse.

How long would it take to effuse?

Mathematically,

Rate of effusion =  [tex]\sqrt{1/M}[/tex] ; M= Molar mass

For comparative study between two subjects, we can write:

[tex]r_{2} / r_{1}[/tex]= [tex]\sqrt{m1/m2}[/tex]

In this case, Ne be gas 1 and Xe be gas 2,

∴ r(Xe) = r(Ne)[tex]\sqrt{20.1797/131.293}[/tex]

r(Xe) = 9.60×10[tex]^{-3}[/tex]mol/min

Thus, for Xe  9.60×10[tex]^{-3}[/tex] mol effuses in 1 minute,

1.42 × [tex]10^{-1}[/tex] would effuse in 1.42 × [tex]10^{-1}[/tex] /9.60×10[tex]^{-3}[/tex] = 14.79 min

Thus, 1.42 × [tex]10^{-1}[/tex]  mol would take 14.79 min to effuse.

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The values of δs for the water, the surroundings, and the universe for the evaporation of water from an open pan at 25° are positive, negative, positive

What is entropy?

It is a measure of the unusable energy in a closed thermodynamic system that is also frequently regarded as a measure of the system's disorder, a characteristic of the system's state, and that varies inversely with the system's temperature and immediately with any reversible change in heat in the system.

a measure of the wasted energy in a closed thermodynamic system that is also frequently viewed as a measure of the system's disorder, a characteristic of the system's state, and that varies inversely with the system's temperature and instantly with any reversible change in heat in the system.

Because the system needs to be supplied with thermal energy, which comes from the environment, this phase change is endothermic. As a result, the environment's entropy must decrease (Ssurr must be negative).

According to the Second Law of Thermodynamics, the process is spontaneous because water does evaporate, which suggests that Suniverse > 0. This necessitates that the entropy rise of the liquid water be greater than the entropy decrease of the environment.

Therefore the values of δs for the water, the surroundings, and the universe for the evaporation of water from an open pan at 25° are.positive, negative, positive

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The mole fraction of nitrogen has been 0.36. When a mixture of gases contains 315 torr n2, 275 torr o2, and 285 torr ar.

A mixture's mole fraction is calculated by dividing the number of molecules of a specific component by the total number of moles in the mixture. It is a method of indicating how concentrated a solution is. The total mole fraction of all the components is therefore always equal to one.

the proportion between the moles of one component in a solution or other combination and the total moles of all the components.

[tex]P_{total} = P_{O2} + P_{N2} + P_{AR}[/tex]

P = 315 + 275 + 285 = 875

m =  [tex]\frac{315}{875}[/tex] = 0.36

The mole fraction of nitrogen has been 0.36.

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As per the given statements : 1. Particle A is an atom because it has protons, electrons and neutrons.2. A, B and C are all particles of the same element. No, A, B and C are not the particles of same element as there no. of electrons differ. 3.Particles A and C are isotopes of the same element. Yes.

The smallest unit of matter in which it can be broken without exhibiting any charged particle is termed as atom. atom is made up of three particles of which Proton (+ivly charged) and electron (-ivly charged) are charged particles while neutron is a neutral particle , doesn't have any charge.

They are the particles of same element and have same no . of protons and electrons i.e. is same atomic number but they differ in no. of neutrons.

So bcz of the above reason in statement three Particles A and C are isotopes of the same element is correct.

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According to small molecules and ions, we order the intermolecular forces according to their relative strengths:

This order is correct because of the nature of the different forces.

For small molecules and ions, arrange the intermolecular forces according to their relative strengths.

List them from stronger to weaker:

- Ion-ion forces

- Hydrogen bonds

- Dipole-dipole forces

- Ion-dipole forces

- London dispersion forces

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To represent an atom, you could use a sphere to represent the electron cloud, with the nucleus in the center.

What is atom?
Each atom is made up of a nucleus one and or more electrons that are bound to it. One or even more protons and a significant number of neutrons make up the nucleus. Only the most prevalent type of hydrogen is neutron-free. Atoms that are neutral or ionised make up every solid, liquid, gas, as well as form of plasma. Atoms are incredibly tiny, measuring typically 100 picometers across. Due to quantum effects, they are so small that it is impossible to predict their behaviour with sufficient accuracy using classical physics, as would be the case, for example, if they were tennis balls.

The nucleus could be represented by a smaller sphere or a cube, depending on the size you want to make it. The nucleus is composed of protons and neutrons, so the cube or sphere could be made to represent these particles, with each particle being a different color or size. This way, it would be easier to distinguish between the electron cloud and the nucleus.

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The energy required  to warm 1. 0 kg of ice from −40°c to 0°c given the specific heat of ice is 2090 j/kg°c.. is 83,600 j/kg°C

What is Specific heat?

The amount of energy required to increase a substance's temperature by one degree Celsius per gram is known as its specific heat. Although it can alternatively be expressed in terms of calories, specific heat is often expressed in Joules per gram per degree Celsius (J/g oC). The specific heat capacity, a number that characterizes this chemical property, varies depending on the substance.

The total heat required will be the sum of heat energy needed to change the temperature of ice from –40°C to 0°C.  

q (total) = mc (ΔT)

            = 1 × 2090 × (0 + 40)

            =  2090 × 40

            = 83,600 j/kg°C

Therefore the energy required is 83,600 j/kg°C, for the given specific heat of the ice.

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16.2 kJ heat is required to change 48.5 liquid (Hg) at 400 K to vapor at a 700 K.The quantity of heat required to raise the temperature of a substance by one degree Celsius is known as the specific heat capacity.

Q = m * cl * ( T f - T i ) + mL + m * cv *T (f) - T (i)

Q = Heat absorbed = ?

m= mass of mercury (Hg)= 48.5 g  = 0.0485 kg

c = specific heat capacity = 14.31kj/kgK

L = Latent heat of vaporization = 59.2 kJ

Initial temperature of liquid mercury = T i = 400 K

Final temperature of mercury vapor = T f  = 700 K

Putting in the values, we get:

Q=1.56+14.31+0.34

Q=16.2kJ

Result for an image mercury's vapor pressure at various temperatures. Use the Clausius-Clapeyron equation to determine the vapor pressure at a specific temperature: ln(P1/P2) = (Hvap/R)((1/T2) - (1/T1)

The only metal that is liquid at ambient temperature is mercury. When it is over its freezing point, it melts and evaporates like all liquids do. Since mercury has a freezing point of only 37.6°F, it is constantly evaporating.

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Answer:

1 kg of lead occupies the smallest amount of space of the four substances

Explanation:

The densities of lead, iron, gold, and copper are 11.34 g/cm^3, 7.87 g/cm^3, 19.32 g/cm^3, and 8.96 g/cm^3, respectively. Therefore, the volumes of 1 kg of lead, iron, gold, and copper are:

Volume of 1 kg lead = 1000 g / 11.34 g/cm^3 = 87.94 cm^3

Volume of 1 kg iron = 1000 g / 7.87 g/cm^3 = 126.98 cm^3

Volume of 1 kg gold = 1000 g / 19.32 g/cm^3 = 51.93 cm^3

Volume of 1 kg copper = 1000 g / 8.96 g/cm^3 = 111.84 cm^3

As we can see, a kilogram of lead has the lowest volume of the four substances, with a volume of 87.94 cm^3. This is because lead is the densest of the four substances, which means that it has the highest mass per unit of volume. Therefore, 1 kg of lead occupies the smallest amount of space of the four substances

Answer:

[tex]\huge\boxed{\sf v = 39.872\ dm\³}[/tex]

Explanation:

Moles = n = 1.78 moles

Molar volume = V = 22.4 dm³

Volume = v = ?

v = n × V

v = 1.78 × 22.4

[tex]\rule[225]{225}{2}[/tex]

The number of atoms equals the number of moles, or N A. Being triatomic, CO 2 1 molecule of CO2 has 1 atom of C and 2 of the total number of atoms, which is 0. 5 3 6. 023 10 23 = 9. 0345 10 23 atoms. C has 0. 5. 1. 6. 023 10 23 = 3. 0115 10 23 atoms, according to the formula.

A molecule is created when two atoms are joined by a chemical bond. A diatomic molecule in this instance (prefix di- means two). The two main diatomic molecules in the air you are inhaling are nitrogen gas and oxygen gas. N2 and O2 are the formulas for them.

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To calculate the % yield, you need to determine the actual yield of the reaction and compare it to the theoretical yield. The actual yield is the amount of product that is actually produced during the reaction, while the theoretical yield is the maximum amount of product that could be produced based on the amounts of reactants used.

In this case, the theoretical yield is 87,000 milligrams of iron, since this is the amount of product that was actually produced. The % yield is calculated by dividing the actual yield by the theoretical yield and multiplying by 100%.

Since the actual yield and the theoretical yield are the same in this case, the % yield is 100%. This means that the reaction had a perfect yield, with all of the reactants being converted into product.