Speed of rider is 34.293m/sec when she experiences 10g's and length of centrifuge is 12m.
Centripetal acceleration increase is characterized as the property of the movement of an item navigating a roundabout way. Any item that is moving all around and has a speed increase vector pointed towards the focal point of that circle is known as Centripetal acceleration increase. You probably seen different instances of centripetal acceleration increase in your daily existence. On the off chance that you drive a vehicle around a circle, your vehicle is going through centripetal acceleration increase and a satellite circling the earth likewise follows a centripetal acceleration increase. Centripetal means towards the middle.
The centripetal acceleration of fighter jet pilot is given by
a=v²/r where a is the acceleration, v is the speed and r is the distance of fighter jet from the center.
We have a=98m/s²,v=?,r=12m,after putting all respective quantities value we get
=>98=v²/12
=>v²=98×12
=>v²=1176m²/s²
=>v=√1176m²/s²
=>v=34.29m/sec.
Hence, speed of fighter jet pilot is 34.29m/sec.
To know more about centripetal acceleration, visit here:
https://brainly.com/question/14465119
#SPJ4
(Complete question) is:
To withstand "g-forces" of up to 10 g's, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a "human centrifuge." 10 g's is an acceleration of 98 m/s².
If the length of the centrifuge arm is 12 m , what speed is the rider moving when she experiences 10 g's ?
Select all the attractive forces associated with solidNaCl salt. a. Ion-dipole b. H-bonding c. London Disperson d. Dipole-dipole
e. lonic bonding
The attractive forces associated with solid NaCl salt is Ion-dipole. Thus, a is the correct option.
Sodium chloride is an inorganic salt with ionic forces inbetween the sodium cation and the chloride anion, which makes these intramolecular forces.
Oppositely-charged ions form molecules due to the electrostatic attraction between these ions. Ions are formed when a species either loses or gains electrons to form a negatively-charged ion (i.e, anion) or positively-charged ion (i.e, cation), respectively.
The contact between a Na+ ion and water (H2O) is an example of an ion-dipole interaction because the oxygen atom and sodium ion are attracted to one another while the sodium and hydrogen are repelled by one another.
To learn more about Ion-dipole,
brainly.com/question/28098528
#SP J4
In the following reaction, oxygen is the excess reactant.
SiCla+02-SiO₂ + Cl₂
The table shows an experimental record for the above reaction.
Experimental Record
Trial Starting Amount of SiCl, Starting Amount of O₂ Actual Yield of SiO₂
100 g
32.96 g
1
100 g
75 g
50 g
252g
2
a. Calculate the percentage yield for SiO₂ for Trial 1. Also, determine the leftover reactant for the trial. Show your work
b. Based on the percentage yield in Trial 2, explain what ratio of reactants is more efficient for the given reaction.
We can see that Trial 1 was more efficient than Trial 2, since it had a higher percentage yield. This suggests that using a smaller amount of oxygen relative to SiCl₄ is more efficient for this reaction
What is Percentage Yield?
It compares the actual yield of a reaction to the theoretical yield that would be obtained if the reaction proceeded perfectly, and expresses the result as a percentage.
To calculate the percentage yield for SiO₂ in Trial 1, we first need to determine the theoretical yield. We can do this by using stoichiometry and the amount of SiCl₄, which is the limiting reactant:
1 mole SiCl₄ reacts with 1 mole O₂ to produce 1 mole SiO₂ and 1 mole Cl₂
The molar mass of SiCl₄ is 169.9 g/mol, so 100 g of SiCl₄ is equivalent to 100/169.9 = 0.588 moles.
Since 32.96 g of O₂ was used, which has a molar mass of 32 g/mol, this is equivalent to 32.96/32 = 1.03 moles of O₂.
Since oxygen is the excess reactant, we can use the amount of SiCl₄ to calculate the theoretical yield of SiO₂:
0.588 moles SiCl₄ × 1 mole SiO₂/1 mole SiCl₄ × 60.1 g SiO₂/1 mole SiO₂ = 35.8 g SiO₂
The actual yield of SiO₂ in Trial 1 was 50 g. Therefore, the percentage yield is:
(50 g SiO₂/35.8 g SiO₂) × 100% = 139.7%
This indicates that the experiment produced more SiO₂ than was theoretically predicted. There are a number of possible reasons for this, such as experimental error or the presence of impurities in the reactants.
To determine the leftover reactant, we can use stoichiometry and the amount of SiCl₄ that was used:
0.588 moles SiCl₄ - 0.5 moles SiO₂ produced = 0.088 moles SiCl₄ remaining
The leftover reactant is equivalent to:
0.088 moles SiCl₄ × 169.9 g SiCl₄/1 mole SiCl₄ = 15 g SiCl₄
Therefore, 15 g of SiCl₄ was leftover in Trial 1.
b. We can use the percentage yield from Trial 2 to determine which ratio of reactants is more efficient. Since the amount of SiCl₄ was kept constant, the change in the yield must be due to the change in the amount of O₂. To compare the efficiency of different ratios, we can calculate the theoretical yield for each trial and compare it to the actual yield:
Trial 1: Theoretical yield of SiO₂ = 35.8 g, actual yield = 50 g, percentage yield = 139.7%
Trial 2: Theoretical yield of SiO₂ = 107.4 g, actual yield = 60 g, percentage yield = 55.8%
From these results, we can see that Trial 1 was more efficient than Trial 2, since it had a higher percentage yield. This suggests that using a smaller amount of oxygen relative to SiCl₄ is more efficient for this reaction.
Learn more about Percentage Yield from given link
https://brainly.com/question/2451706
#SPJ1
which property cohesion or adhesion causes surface tension in water
Answer:
cohesion
Explanation:
because because cohesion is the state where particles are closer to eacch other hence tthe. paarticles being closer resul to. a floating objct like a razoor too experience surface tension.
note
thi condition ccaan only be remove by a ssurrfacctaant
The data must be plotted so students could find and report the boiling point elevation by getting the average temperature at the two plateaus and finding the difference. What will the first plateau represent?
The first plateau denotes the solvent's pure boiling point.
What does boiling point elevation do?Boiling point elevation refers to the increase in a solvent's boiling point brought on by the presence of a solute. Similar to this, freezing point depression refers to a solvent's freezing point being lowered as a result of the addition of a solute. A solvent's freezing point actually drops as its boiling point rises.
The phenomenon known as boiling-point elevation states that the boiling point of a liquid will increase when another chemical is added, i.e., a solution has a higher boiling point than a pure solvent. When a non-volatile solute, like salt, is added to a pure solvent, like water, this occurs. The first plateau denotes the solvent's pure boiling point.
To learn more about boiling point elevation refer to:
https://brainly.com/question/23860390
#SPJ4
How do you write the electron configuration for hydrogen?
The electron configuration for hydrogen is written as 1s¹.
The distribution of electrons in an element's atomic orbitals is described by its electron configuration. Atomic electron configurations adhere to a standard nomenclature in which all electron-containing atomic subshells are arranged in a sequence with the number of electrons they each possess indicated in superscript.
Hydrogen is the simplest electron configuration to write since it just contains one electron. Around the hydrogen nucleus, there is essentially just one electron. Hydrogen only has one electron, hence its configuration is 1s¹.
To know more about electronic configuration, visit,
https://brainly.com/question/26084288
#SPJ4
A gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of__________.
A gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of Isothermal expansion, Adiabatic expansion, Isothermal compression, and Adiabatic compression.
Isothermal expansion: This stage involves the gas gradually increasing in volume while maintaining a stable temperature.
Adiabatic expansion: Here, the gas expands swiftly in a heat-isolated environment, leading to a decrease in temperature.
Isothermal compression: In this stage, the gas experiences a decrease in volume as it is compressed at a regulated temperature.
Adiabatic compression: During this process, the gas is compressed at a rapid pace without exchanging heat with the surrounding, causing an increase in temperature.
To learn more about Isothermal expansion:
https://brainly.com/question/17192821
#SPJ4
In the haber process for the production of ammonia, what is the relationship between the rate of production of ammonia and the rate of consumption of hydrogen? n2(g) + 3 h2(g) 2 nh3(g).
In the Haber process, the rate of ammonia production is directly proportional to the rate of hydrogen consumption.
Ammonia is produced through the Haber process when nitrogen and hydrogen react. The concentrations of the reactants determine the rate of the reaction, and the rate of ammonia production is directly proportional to the rate of hydrogen consumption.
To put it another way, more ammonia is made when more hydrogen is used up. This is due to the fact that in order for the reaction between nitrogen and hydrogen to produce the ammonia product, there must be two molecules of hydrogen for every molecule of nitrogen. As a result, the amount of ammonia produced rises in tandem with the amount of hydrogen used. This is due to the fact that product molecules are being made at a faster rate while reactant molecules are being used up at the same rate.
Learn more about The haber process:
https://brainly.com/question/15350028
#SPJ4
What are some things that are solid mixtures in your classroom
Answer:
things such as pen , pensils , sharpener , chalk ,
they all come under solid mixtures
How many electrons are in the calcium ion created by the calcium atom losing two electrons?
Calcium ion created by the calcium atom losing two electrons has 18 electrons.
A neutral calcium atom has 20 electrons. When it loses two electrons, it becomes a calcium ion with a +2 charge. Since electrons have a negative charge, a calcium ion with a +2 charge will have 2 fewer electrons than a neutral calcium atom.
The calcium ion is a positively charged ion that has lost two electrons from the neutral calcium atom. It has a 2+ charge and is represented as Ca2+. The electronic configuration of the calcium ion is 1s² 2s² 2p⁶ 3s² 3p⁶, which means it has a total of 18 electrons. Thus, a calcium ion with a +2 charge will have 18 electrons.
To know more about the calcium ion, here
brainly.com/question/12985536
#SPJ4
Calculate the molar mass of BaSO4. ?
The molar mass of BaSO₄ is 233.39 g/mol.
The molar mass of BaSO₄ can be calculated by adding the molar mass of each element in the compound.
First, we need to find the molar mass of each element:
- Ba (Barium) = 137.33 g/mol
- S (Sulfur) = 32.06 g/mol
- O (Oxygen) = 16.00 g/mol
Next, we need to multiply the molar mass of each element by the number of atoms of that element in the compound:
- Ba: 137.33 g/mol x 1 = 137.33 g/mol
- S: 32.06 g/mol x 1 = 32.06 g/mol
- O: 16.00 g/mol x 4 = 64.00 g/mol
Finally, we add the molar mass of each element together to get the molar mass of BaSO₄:
- 137.33 g/mol + 32.06 g/mol + 64.00 g/mol = 233.39 g/mol
To know more about molar mass here:
https://brainly.com/question/22997914#
#SPJ11
Determine the name of the compound HI?
The name of the compound HI is Hydrogen iodide.
The compound HI contains one hydrogen and one Iodine atom. The chemical name of the compound will be Hydrogen Iodide according to the IUPAC nomenclature of non organic compounds.
Whether in a continuous chain or a ring, the longest chain of carbons joined by a single bond serves as the basis for IUPAC nomenclature. According to a certain set of priorities, any deviations, whether multiple bonds or atoms other than carbon and hydrogen, are denoted by prefixes or suffixes. Similar restrictions are placed on the naming of inorganic compounds.
To know more about Hydrogen Iodide, visit,
https://brainly.com/question/29894273
#SPJ4
a chemical equation is a statement using chemical that expresses both the identities and the relative of the reactants and products involved in a chemical or physical change. (True or False)
An expression that uses chemicals to express the identities and relationships of the reactants and products involved in a chemical or physical process is known as a chemical equation. the statement is False.
What is a chemical equation?In these equations, chemical reactions are represented by chemical formulae and symbols. Chemical equations have two sides: the reactants are on the left, and the products are on the right. In chemical equations, a chemical reaction is symbolically represented using chemical formulas and symbols. The process or change in chemistry is symbolically represented by a chemical equation. An example chemical equation is labeled in the following diagram based on the elements it contains. Reactants are the species on the left of the right-pointing arrow, while products are the species on the right. Chemical equations are symbolic representations of chemical reactions in the form of symbols and formulae, where the reactant entities are presented on the left side and the product entities are given on the right side.To learn more about chemical equation refer to:
https://brainly.com/question/11904811
#SPJ4
Can a chemical name be used as a chemical identifier?
Chemical names, also known as systematic or IUPAC (International Union of Pure and Applied Chemistry) names, can provide detailed information about the structure and composition of a chemical substance, but they are not typically used as the sole identifier for a chemical.
Instead, chemicals are usually identified and tracked using unique identifiers such as CAS (Chemical Abstracts Service) numbers, which are assigned by the American Chemical Society, or EC (European Chemical) numbers, which are assigned by the European Chemicals Agency.
These identifiers provide a simple and consistent way of identifying chemicals, and can be used to access information such as properties, uses, and regulatory status.
To learn more about IUPAC :
https://brainly.com/question/30086566
#SPJ4
The introduction of rabbits to Australia's ecosystem has had a Choose... Choose... neutral positive negative impact.
it is a positive affect to australia
Reaction(s) released heat.
Reaction released the most heat per mole of reactant.
Answer:
1,2,and 3
1
Explanation:
right on edge
particles of electromagnetic radiation are called ______, and each has a discrete amount of energy called a ______. since electromagnetic radiation also has wave properties, each particle is also characterized by a specific ______ and frequency.
particles of electromagnetic radiation are called photons, and each has a discrete amount of energy called a photon. since electromagnetic radiation also has wave properties, each particle is also characterized by a specific wavelength and frequency.
What is photon?
A photon is a particle of light that is created when an atom releases energy. It is the smallest unit of light, and it is the basic unit of all forms of electromagnetic radiation, including visible light, infrared, ultraviolet, and X-rays. Photons travel in waves, and can also be used to carry information.
Therefore, particles of electromagnetic radiation are called photons, and each has a discrete amount of energy called a photon. since electromagnetic radiation also has wave properties, each particle is also characterized by a specific wavelength and frequency.
To learn more about photon
Here: https://brainly.com/question/28463226
#SPJ4
A 100 g block of a substance requires 0.5 kJ of heat to raise its temperature from 25.0°C to 63.5°C. What is the substance?
A. gold
B. copper
C. iron
D. aluminum
The material is gold.
What is the specific heat capacity?The specific heat capacity, also known as simply specific heat, is the amount of heat energy required to raise the temperature of a substance by one unit, usually per unit of mass. It is typically denoted by the symbol "c" and has units of J/kg°C (joules per kilogram per degree Celsius) or J/mol°C (joules per mole per degree Celsius).
H = mc dT
m = mass
c = specific heat capacity
dT = temperature change
c = H/mdT
c = 0.5 * 10^3/100 (63.5 - 25)
c = 0.126
Learn more about specific heat capacity:https://brainly.com/question/29766819
#SPJ1
after adding ____________ sodium ions a solid precipitate is first observed.
After adding sodium hydroxide, sodium ions a solid precipitate is first observed.
In an aqueous solution, precipitation is the most common way of changing a broke down substance into an insoluble strong from a super-immersed solution. The strong framed is known as the precipitate. In the event of an inorganic compound response prompting precipitation, the synthetic reagent making the strong structure is known as the precipitant.
The unmistakable fluid excess over the accelerated or the centrifuged strong stage is additionally called the 'supernate' or 'supernatant'.
The notion of precipitation can likewise be reached out to different spaces of science (natural science and organic chemistry) and, surprisingly, be applied to the strong stages (e.g., metallurgy and composites) when strong debasements isolate from a strong stage.
To know more about precipitate,visit here:
https://brainly.com/question/24846690
#SPJ4
Describe reaction diene and dienophile would react to give the following Diels-Alder product?
The Diels-Alder product formed by the reaction of a diene and a dienophile can be predicted based on the regiochemistry and stereochemistry of the reaction.
In a typical Diels-Alder reaction, the diene (a conjugated hydrocarbon with two double bonds) reacts with a dienophile (a molecule with a double bond) to form a six-membered ring. The reaction is typically exothermic and is characterized by a concerted mechanism. The regiochemistry of the product is determined by the relative orientation of the diene and the dienophile, with the dienophile typically adding to the diene in an endo fashion.
The stereochemistry of the product is determined by the addition of the dienophile to the diene. If the dienophile adds to one face of the diene, a cis product is formed, whereas if it adds to the opposite face, a trans product is formed. In addition, the reaction can be influenced by various factors such as steric hindrance, electronic effects, and temperature. Therefore, predicting the Diels-Alder product requires careful consideration of all of these factors.
Learn more about dienophile
brainly.com/question/24117325
#SPJ4
the bonds connecting adjacent amino acids in a protein is called ?
The bonds connecting adjacent amino acids in a protein is called a peptide bond.
The peptide bond is the link between two amino acids in a protein. The covalent chemical bond that connects two adjacent amino acid monomers along a peptide or protein chain is known as a peptide bond.
Neighbouring amino acids in a protein that contain carbon and nitrogen atoms. All amino acids have two primary functional groups. The amino group is located on one side of the amino acids, and the carboxyl group is located on the other. The peptide bond is made up of the two functional groups in the neighboring amino acid.
Proteins mature in the cell, forming protein disulfide bonds between the sulfur atoms of two cysteine amino acids (the cystine residue).
To know about protein
https://brainly.com/question/29776206
#SPJ4
In a spectrophotometer, both absorbance and transmítanse indicate _____________ passing through a sample. A high absorbance corresponds to a _________ transmittance.
In a spectrophotometer, both absorbance and transmítanse indicate the amount of light passing through a sample. A high absorbance corresponds to a low transmittance.
what is spectrophotometer?A spectrophotometer is an instrument used to measure the intensity of light as a function of its color (wavelength). It is commonly used in chemistry to measure the concentration of a compound in solution, or to measure the purity of a substance. Spectrophotometers can also be used to measure the reflectance of a material, such as paint or ink, or to analyze the optical properties of a material, such as its transmission or absorption of light.
Therefore, In a spectrophotometer, both absorbance and transmitanse indicate the amount of light passing through a sample. A high absorbance corresponds to a low transmittance.
To learn more about spectrophotometer visit:
brainly.com/question/24195565
#SPJ4
select the properties of the sn2 reaction mechanism.
The SN2 reaction mechanism (substitution nucleophilic bimolecular) is a type of reaction that occurs between a nucleophile and a substrate molecule.
Bimolecular is the reaction rate is proportional to the concentration of both the substrate and the nucleophile, indicating that the reaction is bimolecular. Nucleophilic is the reaction involves a nucleophile attacking the substrate molecule, hence the name "nucleophilic substitution."
Concerted is the reaction occurs in a single, concerted step, where the nucleophile and substrate form a transition state, which then collapses into the product.
These properties of the SN2 mechanism make it a valuable tool for understanding the behavior of nucleophiles in chemical reactions, and they provide important criteria for predicting the outcome of reactions and the stereochemistry of the products.
To learn more about SN2 mechanism :
https://brainly.com/question/14280641
#SPJ4
What is chemical - part 1?
A chemical is a substance that has a specific composition and a set of specific properties. It is composed of atoms, which are the building blocks of matter.
Chemicals can be found in a variety of forms, including solids, liquids, and gases. They can be natural or man-made, and they can be used for a variety of purposes, including as ingredients in products, as fuels, and as medicines.
Chemicals are categorized based on their properties, which can include their reactivity, toxicity, and flammability. Some chemicals are hazardous and require special handling and disposal, while others are relatively safe to use.
It is important to understand the properties and potential hazards of chemicals in order to use them safely and responsibly. This can include reading labels and safety data sheets, following safety procedures, and wearing appropriate personal protective equipment.
To know more about chemical here:
https://brainly.com/question/13145357#
#SPJ11
Which one of the following can be classified as a strong electrolyte?A) CâHââOâB) CHâOHC) NHâNOâD) HCâHâOâE) HâO
[tex]$\mathrm{CaCl}_2$[/tex] exists the only compound which completely dissociates.
What is meant by strong electrolyte?A solution is considered to be a strong electrolyte if a significant portion of the dissolved solute is present as ions. Strong electrolytes, ionic compounds and some polar compounds are entirely dissociated into ions and so conduct a current very well.
[tex]$\mathrm{CaCl}_2$[/tex] in aqueous solution dissociates to give one [tex]$\mathrm{Ca}^{2+}$[/tex] and two [tex]$\mathrm{Cl}^{-}$[/tex]ions. An electrolyte is any material that ionizes upon dissociation. Here Calcium Chloride gives one ion of Calcium and two Chloride ions. That is, from [tex]$\mathrm{CaCl}_2$[/tex] a total of three ions exists formed. Therefore it can be classified as a strong electrolyte. The strong electrolytes dissociate completely in the solution.
The complete question is;
Which of the following can be classified as a strong electrolyte?
A [tex]$\mathrm{Br}_2$[/tex]
B [tex]$\quad \mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6$[/tex]
C [tex]$\mathrm{CaCl}_2$[/tex]
D [tex]$\mathrm{H}_2 \mathrm{O}$[/tex]
E [tex]$\quad \mathrm{NO}_3$[/tex]
To learn more about strong electrolyte refer to:
https://brainly.com/question/2285692
#SPJ4
MULTIPLE CHOICE QUESTION
Is Pd a Type 1 (fixed charge) metal cation
or a Type 2 (variable charge) metal
cation?
Type 1
Type 2
Pd is a transition metal ion hence it is a type 2 metal cation.
What is transition metal ion?A transition metal ion is an ion that is derived from a transition metal element. Transition metals are a group of elements located in the center of the periodic table and characterized by their ability to form multiple stable oxidation states. This property is due to the presence of unpaired electrons in their d-orbitals, which are involved in chemical reactions.
Transition metal ions play important roles in many chemical and biological processes, including catalytic reactions, the formation of coordination complexes, and the regulation of enzymes. They are also commonly used in applications such as pigments, catalysts, and magnetic materials.
Learn more about transition elements:https://brainly.com/question/21849808
#SPJ1
a bond between carbon and oxygen, c-o, would most likely have which type of force?
The bond between carbon and oxygen in a molecule such as carbon monoxide (CO) is a covalent bond. Covalent bonds are formed when two atoms share a pair of electrons, and the resulting bond is typically quite strong. In the case of CO, the carbon and oxygen atoms share a pair of electrons to form a double bond, which consists of two covalent bonds.
The force that holds the carbon and oxygen atoms together in this covalent bond is an electrostatic force of attraction between the positively charged atomic nuclei and the negatively charged shared electrons. This force is typically referred to as a covalent bond force, and it is one of the strongest types of chemical bonds.
For more questions on bonds-
brainly.com/question/819068
#SPJ4
when heating this hwe reaction mixture at reflux, the reaction temperature will be maintained at approximately
The reaction temperature during reflux heating is dependent on several factors such as the boiling point of the solvent, the heating power applied, and the atmospheric pressure.
However, it is typically maintained at approximately the boiling point of the solvent. In a reflux setup, the reaction mixture is heated in a distillation flask, and the vapors produced are condensed and returned to the flask by a condenser, thus maintaining a constant temperature in the reaction mixture.
The temperature is maintained at or close to the boiling point of the solvent, which helps to keep the reaction going by providing heat and promoting mixing of the reactants.
To learn more about Reaction temperature :
https://brainly.com/question/11094984
#SPJ4
the α helix and β pleated sheet are examples of which level of protein structure?
The beta sheet, or "sheet," is a characteristic motif of the typical protein secondary structure. It is also referred to as the "pleated sheet," or "sheet."
What type of interaction holds α helices and β pleated sheets together?Most proteins contain two common structural motifs: the right-handed alpha helix and the beta-pleated sheet. The amino acid backbone's carbonyl oxygen and amine form a hydrogen bond, which keeps them joined.
The beta sheet, or "sheet," (also known as the "pleated sheet," or "sheet"), is a typical motif of the normal protein secondary structure. The building blocks of beta sheets are beta strands (-strands), which are joined laterally by at least two or three backbone hydrogen bonds and result in sheets that are typically twisted and pleated.
Helixes and pleated sheets are the most typical forms of secondary structures. Between the carbonyl O of one amino acid and the amino H of another, hydrogen bonds occur, keeping both structures in place.
To learn more about protein structure refer to:
https://brainly.com/question/28366854
#SPJ4
what is molecular mass of aluminum sulfate?
The molecular mass of aluminum sulfate is approximately 342.15 g/mol.
The molecular formula for aluminum sulfate is Al₂(SO₄)₃. To calculate its molecular mass, we need to determine the atomic mass of each element in the formula and multiply by the number of atoms of each element, then add them up.
The atomic mass of aluminum (Al) is 26.98 g/mol, sulfur (S) is 32.07 g/mol, and oxygen (O) is 16.00 g/mol.
The molecular mass of aluminum sulfate can be calculated as follows:
Molecular mass of Al₂(SO₄)₃ = (2 x atomic mass of Al) + (3 x atomic mass of S) + (12 x atomic mass of O)
Molecular mass of Al₂(SO₄)₃ = (2 x 26.98 g/mol) + (3 x 32.07 g/mol) + (12 x 16.00 g/mol)
Molecular mass of Al₂(SO₄)₃ = 342.15 g/mol
To know more about aluminum sulfate here
https://brainly.com/question/20758434
#SPJ4
How many molecules are there in 24 grams of FeF_3?
1.2 × 10²³ molecules are there in 24 grams of FeF₃ molecule. 1 mole is equal to 6.023 × 10²³ particles.
What do you mean by mole ?A mole is a important unit of measurement that chemists use in calculation. 1 mole is exactly equal to the 6.023 × 10²³ particles.
The term mole is defined as the amount of substance containing 6.023 × 10²³ molecules.
First multiply the number of moles supplied by Avogadro's Number to detect how many molecules there are.
Moles are determined from the molecular weight.
For FeF₃ molecule,
55.8 + 3⋅19 = 116g/mole
24 gram / 116g/mole
= 0.207 moles of FeF₃
= 0.207 moles × 6.023 × 10²³
= 1.2 × 10²³ molecules
Thus, in 24 grams of FeF₃ molecule 1.2 × 10²³ molecules are present.
To learn more about the mole, follow the link;
https://brainly.com/question/7805384
#SPJ9