A property of matter that creates force between objects

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.

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  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 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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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: The product of two consecutive negative integers is 600. What is the value of the lesser integer?

Explanation: EDGE2021

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 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 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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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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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 pressure (in atm) of hydrogen gas in the 20.0 L headspace of a reactor vessel when 3.36 kg sodium is reacted with excess water at 50.0 °C can be calculated using the ideal gas law, which states that the pressure, volume, and temperature of a gas are related by the equation PV = nRT, where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature of the gas in Kelvin.

To calculate the pressure of the hydrogen gas, we first need to determine the number of moles of hydrogen gas produced by the reaction. We can do this by using the balanced chemical equation for the reaction, which is 2 Na(s) + 2 H₂O(l) → 2 NaOH(aq) + H₂(g).

From the balanced chemical equation, we can see that for every 2 moles of sodium that react, 1 mole of hydrogen gas is produced. Therefore, if 3.36 kg of sodium is reacted with excess water, the number of moles of hydrogen gas produced is 3.36 kg / (22.99 g/mol) = 146.4 moles.

Next, we need to convert the temperature of the gas from degrees Celsius to Kelvin. This can be done by adding 273.15 to the temperature in Celsius, which gives us a temperature of 50.0 + 273.15 = 323.15 K.

Now that we have the number of moles of hydrogen gas and the temperature of the gas, we can plug these values into the ideal gas law equation to calculate the pressure of the hydrogen gas:

P = (nRT) / V

P = (146.4 mol * 0.08206 L*atm / mol*K * 323.15 K) / 20.0 L

P = 4.31 atm

Therefore, the pressure (in atm) of hydrogen gas in the 20.0 L headspace of a reactor vessel when 3.36 kg sodium is reacted with excess water at 50.0 °C is 4.31 atm.

A sample of gallium(III) sulfite, Gaz(SO3)3, contains 1. 95 mol of sulfite ions,number of moles of gallium(III) ions in the sample is gallium(III) sulfite, Ga2(SO3)3, contains 1.95 mol of sulfite ions. The number of moles of gallium(III) ions in the sample is a 1.30 molb.

What is Molar Mass?

Molten sulfur is burned in air to produce sulfur dioxide gas. stage 2 Sulfur dioxide is reacted with oxygen to form sulfur trioxide. stage 3 Sulfur.the Molar Mass of CuSO4.5H2O. This molecule has 5 molecules of water attached to each molecule of copper sulphate.Gallium is commonly found to have variable charges. For metals like gallium, a Roman numeral is written in the chemical name to indicate its charge . balance chemical equations in molecular, total ionic, and net ionic and 2 moles of oxygen molecules react to yield 1 mole of carbon dioxide.

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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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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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7.5 mL volume would the krypton occupy at 4.00 atm.

The ideal gas law (PV = nRT) connects the macroscopic characteristics of ideal gases. An ideal gas is one in which the particles are both non-repellent and non-attractive to one another (have no volume).

We can solve this part by using again the B:

[tex]p_{1} V_{1} =p_{2} V_{2}[/tex]

Where in this case we have:

[tex]p_{1} =0.400 atm[/tex] is the initial pressure

[tex]V_{1} =75ml[/tex] is the initial volume

[tex]p_{2}=4atm[/tex]is the final pressure

And solving for V2, we find the final volume:

[tex]V_{2} =0.400*75/4 =7.5[/tex]ML

ANWER IS 7.5ML.

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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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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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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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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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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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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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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

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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To make 1.00 kg of ²³⁹Pu if the reaction is complete when the product is 90% ²³⁹Pu the time period is 0.357 days.

Definition of Half life

The amount of time it takes for one-half of the radioactive isotope to decay is known as half-life of a radioactive isotope. The half-life of a specific radioactive isotope is constant and it is unaffected by conditions and also independent of the initial amount of that isotope.

Half life of ²³⁹Pu is 2.35 days

K = ln2/t₀.₅

  = ln 2/ 2.35

K = 0.294956/ day

N₀ = 1 kg

Nₐ = 0.91kg

K = 1/t ln N₀/ Nₐ

t = 1/K ln(N₀/Nₐ)

t = 0.357 days

Hence, the time period is 0.357 days.

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Explanation:

When looking at the broken pieces of charcoal with a hand lens, you will see small pieces of black matter with a rough texture.

Charcoal is a combustible, black solid fuel made from partially burned wood, bone, or other organic matter. It is primarily used as a fuel for barbecues, grills, and other cooking methods, and is also used in art and blacksmithing. Charcoal is created by burning wood or other organic material in a limited amount of oxygen, reducing it to a carbon-rich substance. The material is then heated to high temperatures to burn off volatile compounds, leaving behind a black, porous material that is rich in carbon. Charcoal is more efficient than wood as a fuel source because it has a higher energy content and produces fewer pollutants.

The pieces of charcoal are made up of small grains of carbon that were formed when the wood was burned. The texture of the charcoal varies from coarse to fine, depending on the type of wood used in the burning process.

When compared to a piece of coal, the charcoal pieces are much smaller and the texture is more rough. Coal forms when plant materials are buried beneath layers of sediment, which prevents oxygen from reaching them. Over a period of millions of years, these plant materials slowly convert to a charcoal-like material called coal. The coal has a much smoother texture than the charcoal and is made up of larger, more compact pieces of carbon.

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