Why is it useful to group elements based on the way they behave in chemical reactions?
Answers
The elements in a group often look and behave similarly, because they have the same number of electrons in their outermost shell — the face they show to the world. Group 18 elements, on the far right side of the table, for example, have completely full outer shells and rarely participate in chemical reactions.
Have a nice day
There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, for the easing the understanding of elements grouping of elements is done based on the way they behave in chemical reactions.
What is periodic table?Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.
Grouping elements based on the way they behave in chemical reactions makes the study of elements in the periodic table much easier and comfortable.
Therefore, for the easing the understanding of elements grouping of elements is done based on the way they behave in chemical reactions.
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Related Questions
Mrs. Keep burns a walnut under a beaker of water. The beaker contains 100 g of water which warms from 25oC to 30oC. Assuming that all the heat from the burning walnut goes into the water and none of the heat is lost to the air or the beaker, how many calories are in the walnut?
a 2100 calories
b 10,500 calories
c not enough information is given
d 500 calories
Answers
The amount of heat gained by the water is 500 calories. Thus, option D is correct.
Given:
Mass of water (m) = 100 g
Change in temperature (ΔT) = 30°C - 25°C = 5°C
The specific heat capacity of water (c) is approximately 1 calorie/gram°C.
Now, the amount of heat gained by the water,
Q = mcΔT
Where:
Q is the heat gained or lost by the substance
m is the mass of the substance
c is the specific heat capacity of the substance
ΔT is the change in temperature
Plugging in the values into the formula:
Q = 100 × 1 × 5
Q = 500 calories
Therefore, the amount of heat gained by the water is 500 calories.
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Zi notices the spilled product, and comments that it looks different from the original ingredients. Carlotta explains that all substances have distinctive physical and chemical properties; for example, _____ are examples of physical properties.
Answers
Density, Melting point, Boiling point and Hardness are examples of physical properties.
What is physical properties?A physical property refers to that property which is measurable and whose value indicates a state of a physical system. Examples of physical properties are Density, Melting point, Boiling point and Hardness so we can conclude that Density, Melting point, Boiling point and Hardness are examples of physical properties.
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what is molecular formula of Ozone?
Answers
Answer:
the molecular formula of Ozone is O_3.
Answer: O₃
Explanation:
The chemical formula of ozone is O3. In the earth's stratosphere, ozone is formed from a two-step reactive process. First, sunlight breaks apart an oxygen molecule (O2 you'll recall) into two oxygen atoms. In the second step, these oxygen atoms collide with another oxygen atom to make ozone.
Why do both ionization energy and electronegativity both increase when an atom is smaller? *
A. The positively charged electrons are less attracted to the positively charged protons in the nucleus.
B.The negatively charged electrons are more attracted to the neutrons in the nucleus.
C. The positively charged electrons are more attracted to the negatively charged protons in the nucleus.
D. The negatively charged electrons are more attracted to the positively charged protons in the nucleus.
Answers
Hope this helps you find the answer
The molecular formula of aspartame, the artificial sweetener marketed as nutrasweet, is c14h18n2o5. a. what is the molar mass of aspartame? b. how many moles of aspartame are present in 1.00 mg of aspartame? c. how many molecules of aspartame are present in 1.00 mg of aspartame? d. how many hydrogen atoms are present in 1.00 mg of aspartame?
Answers
In foods and drinks, aspartame, a synthetic, non-saccharide sweetener that is 200 times sweeter than sucrose, is frequently used as a sugar replacement.
a. The molar mass of aspartame can be calculated by summing the atomic masses of its constituent elements, which are carbon (C), hydrogen (H), nitrogen (N), and oxygen (O). Therefore,
Molar mass of aspartame = (14 x atomic mass of C) + (18 x atomic mass of H) + (2 x atomic mass of N) + (5 x atomic mass of O)
= (14 x 12.01) + (18 x 1.01) + (2 x 14.01) + (5 x 16.00)
= 294.30 g/mol
Therefore, the molar mass of aspartame is 294.30 g/mol.
b. To determine the number of moles of aspartame present in 1.00 mg of aspartame, we need to use the following formula:
Number of moles = Mass / Molar mass
where Mass is the mass of the substance in grams and Molar mass is the molar mass of the substance in grams per mole.
Converting the given mass of 1.00 mg to grams, we get:
Mass = 1.00 mg = 0.001 g
Using the molar mass calculated in part a, we get:
Number of moles = 0.001 g / 294.30 g/mol = 3.40 x 10^-6 moles
Therefore, there are 3.40 x 10^-6 moles of aspartame present in 1.00 mg of aspartame.
c. To determine the number of molecules of aspartame present in 1.00 mg of aspartame, we need to use Avogadro's number:
Number of molecules = Number of moles x Avogadro's number
where Avogadro's number is 6.02 x 10^23 molecules per mole.
From part b, we know that there are 3.40 x 10^-6 moles of aspartame present in 1.00 mg of aspartame. Substituting this value in the above equation, we get:
Number of molecules = 3.40 x 10^-6 moles x 6.02 x 10^23 molecules per mole
= 2.05 x 10^18 molecules
Therefore, there are 2.05 x 10^18 molecules of aspartame present in 1.00 mg of aspartame.
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if you place a glass rod over a burning candle, the glass appears to turn black. what is happening to each of the following (physical change, chemical change, both, or neither) as the candle burns? explain each answer.
Answers
When a glass rod is held over a burning candle, physical change as well as chemical change occurs in the glass rod as well as the candle wax respectively.
Physical and chemical changes occur while a candle burns. Physical changes occur in a burning candle when the candle wax melts and forms liquid wax when heated. It is a bodily transformation. Because it solidifies again when cooled. This is also a change that may be reversed. Chemical Changes in a Burning Candle When you burn the candle, the wax around the wick melts. The wick of the candle is absorbed by liquid wax. The heat created by the flame causes the liquid wax to evaporate. This wax vapor burns near the flame, producing new chemicals such as carbon dioxide, carbon soot, water vapors, heat, and light. This is a permanent alteration.
A chemical change is illustrated by the burning of a candle. Two reactants unite to generate new products in chemical reactions. Wax is a kind of hydrocarbon. When hydrocarbons burn, they react with oxygen to produce carbon dioxide and water vapor.
A candle wick transports fuel by a method known as capillary action. Through the wick, liquid fuel (wax) reaches the flame, vaporizes, and burns. The candle wicks devour themselves before the wax is eaten. The wicks are coated with wix to supply the initial fuel source, and when consumed, the wicks are transformed to \(CO_2\) and water vapor through the chemical process known as burning.
The blackening of a glass rod is only a physical change. Glass rod's chemical structure will not have altered. Soot has accumulated on the glass rod. The rod has no effect on anything.
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What would be the effect on the percentage recovery if not enough naoh were added in step 2 to react with both the unreacted hno3 and the cu2 present at the end of step 1?
Answers
The metallic cu⁺ will not be formed to calculate percentage recovery.
What is percentage recovery?
Most commonly "percent recovery" in chemistry refers to the quantity of recovered substance following a purifying procedure. This purification procedure could involve anything from completely separating a particular ingredient to removing a molecule totally.
If we do not completely react the HNO₃ in the reacion mixture, it will not fully reduce Cu ions which will not form all the metallic copper or if at all its formed the quantity will be very low that we will use to calculate the percentage recovey at the end.
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how many atoms are in 5.5 moles of carbon dioxide
Answers
Answer: I think the answer is, 3.312177825e+24 atoms
Explanation: I had a problem similar to this, Hope this helps!
Answer:
So if you have 5 mole, you have: 5 x (6.022 x 10^23) = 3.011 x 10^24 atoms.
Explanation:
Basically the answer is 44.0095 :)) have a great day!!
in the 13c nmr of benzil, which carbon is responsible for the resonance at 194.5 ppm? the other peaks are at 134.8, 132.9, 129.8 and 128.9 ppm. which carbon(s) are responsible for the resonances at 134.8 and 132.9 ppm? you do not need to assign each resonance, but identify which carbon(s) might give rise to these signals
Answers
In the 13C NMR spectrum of benzil, the carbon responsible for the resonance at 194.5 ppm is the carbonyl carbon of the ketone group, which is in the middle of the molecule.
The peaks at 134.8 and 132.9 ppm are likely due to the carbons in the aromatic ring adjacent to the carbonyl group.
The carbon directly adjacent to the carbonyl group (ortho position) usually appears at higher chemical shift values (around 135 ppm), while the next carbon (meta position) usually appears at slightly lower values (around 130 ppm).
Therefore, the peaks at 134.8 and 132.9 ppm likely correspond to the ortho and meta carbons, respectively.
The other peaks at 129.8 and 128.9 ppm are due to the carbons in the aromatic ring farthest from the carbonyl group, while the peak at 194.5 ppm is due to the carbonyl carbon in the ketone group.
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explain why when iron is exposed to moist air rust but when aluminium is exposed to moist air it does not rust
Answers
Answer:
iron gets rusted as it is more reactive then aluminium and reacts faster with moisture in the air
Explanation:
Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions:
Ca2+,V5+,Cl-,S2-
Answers
The empirical formulas for at least four binary ionic compounds that can be formed from the given ions are as follows: CaF2, CaS, PbF4, and PbS2.
A binary ionic compound is made up of ions from two different elements: one metal and one nonmetal. Iron(III) iodide, FeI3, for example, is made up of iron ions, Fe3+ (elemental iron is a metal), but also iodide ions, I- (elemental iodine is a nonmetal).
The positive ion (cation) has been written first in the name, followed by the negative ion (anion). The cation has the same name as the (neutral metal) element that it is derived. The charge on the cation is denoted by a Roman numeral within parentheses immediately following the cation's name (e.g., Fe3+ = "iron(III)", Fe2+ = "iron(II)"). The anion is named by prefixing the root of (nonmetal) element name with the suffix -ide
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Demonstrate that the hash function h(x) = 5x 11 mod 19 is not weakly collisionresistant, for h(4).
Answers
The hash function h(x) = 5x 11 mod 19 is not weakly collision-resistant for h(4) because there exists another input value, say y, such that h(y) is equal to h(4).
To provide an explanation, we can calculate h(y) for different values of y and check if any of them match h(4). For example, if we set y=8, then h(8) = 5*8^11 mod 19 = 5*2 mod 19 = 10.
Similarly, we can calculate h(4) = 5*4^11 mod 19 = 5*5 mod 19 = 6.
Therefore, we can see that h(8) and h(4) have the same output value (10 = 6 mod 19), indicating that the hash function h(x) is not weakly collision-resistant for h(4).
To demonstrate that the hash function h(x) = (5x + 11) mod 19 is not weakly collision-resistant for h(4), we need to find two different inputs, x1 and x2, where h(x1) = h(x2).
The hash function h(x) = (5x + 11) mod 19 is not weakly collision-resistant for h(4) because h(3) = h(16), which means there is a collision.
1. Calculate h(4): h(4) = (5 * 4 + 11) mod 19 = (20 + 11) mod 19 = 31 mod 19 = 12.
2. Find two different inputs x1 and x2 where h(x1) = h(x2):
- Let's try x1 = 3: h(3) = (5 * 3 + 11) mod 19 = (15 + 11) mod 19 = 26 mod 19 = 7.
- Now let's try x2 = 16: h(16) = (5 * 16 + 11) mod 19 = (80 + 11) mod 19 = 91 mod 19 = 7.
3. Since h(3) = h(16), we found a collision, so the hash function is not weakly collision-resistant for h(4).
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How many milliliters of 0. 250M NaOH is required to neutralize 30. 4mL of 0. 152M HCl?
Answers
Approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.
To determine the volume of 0.250 M NaOH required to neutralize 30.4 mL of 0.152 M HCl, we can use the concept of stoichiometry and the balanced chemical equation for the neutralization reaction between NaOH and HCl:
NaOH + HCl -> NaCl + H2O
From the balanced equation, we can see that the stoichiometric ratio between NaOH and HCl is 1:1. This means that for every mole of NaOH, we require an equal number of moles of HCl to neutralize.
First, let's calculate the number of moles of HCl present in the given volume:
Moles of HCl = concentration of HCl * volume of HCl
= 0.152 M * 30.4 mL
= 4.6208 mmol (millimoles)
Since the stoichiometric ratio is 1:1, the number of moles of NaOH required to neutralize the HCl is also 4.6208 mmol.
Now, let's calculate the volume of 0.250 M NaOH needed to contain 4.6208 mmol:
Volume of NaOH = (moles of NaOH) / (concentration of NaOH)
= 4.6208 mmol / 0.250 M
= 18.4832 mL
Therefore, approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.
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The table shows several gases their molar masses and their densities at STP
Answers
The formula expressed as D= M/V is used at the STP where M designates for the molar mass of the substance and V is the molar volume of a gas.
The molar mass of the chemical compound can be defined as the ratio between the mass and the amount of substance of any sample of the given compound. At STP it is clear that 1 mole of a gas occupies the volume of 22.4 L. The density of gas is expressed as the ratio of its mass to volume of the chemical compound. Using the expression of density we can calculate the mass of 22.4 L of gas which corresponds to the mass of 1 mole of a gas which is taken as its molar mass.
The standard Temperature and Pressure is also called as STP predicts the molar volume is the volume occupied by one mole of a chemical element or occupied by a chemical compound. This can be usually calculated by dividing the molar mass (M) of the chemical compound by the mass density (ρ) of the chemical compound.
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The complete question is,
What is the relation between molar mass and STP ?
a remote control toy jet fighter has a mass of 5 kg and can travel up to 60 m/s. what is the kinetic energy of the toy jet fighter at this speed?
Answers
Answer:
9000J
Explanation:
Given parameters:
Mass of the jet fighter = 5kg
Velocity = 60m/s
Unknown:
Kinetic energy of the jet fighter = ?
Solution:
The kinetic energy of a body is the energy due to motion of the body.
It is mathematically expressed as;
K.E = \(\frac{1}{2}\) m v²
m is the mass
v is the velocity
So;
K.E = \(\frac{1}{2}\) x 5 x 60² = 9000J
Example The anticancer druge cir-platin hydrolysis in with constant 1. Solo - at pH 7:0 and 25°c. calculate the half life of the reaction
Answers
Answer:
ganda no beeeeeèeeeeee
A pieces of metal of volume 25cm3 has a Mass of 45g. Determine It density in kg/m3
Answers
The density of the metal is 1800 kg/m^3.
To find the density of the metal in kg/m^3, we need to convert the volume and mass to the appropriate units.
The volume of the metal is given in cm^3, but we need to convert it to m^3:
25 cm^3 = 0.000025 m^3
The mass of the metal is given in grams, but we need to convert it to kilograms:
45 g = 0.045 kg
Now we can use the formula for density, which is:
density = mass / volume
Substituting the values we have:
density = 0.045 kg / 0.000025 m^3
density = 1800 kg/m^3
Therefore, the density of the metal is 1800 kg/m^3.
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What forces typically hold ions together?
O A. Intermolecular forces
OB. Ionic attractions
OC. Metallic bonds
O D. Covalent bonds
Answers
Answer: Ionic attractions
Explanation:
Ionic bonding is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions.
identify the first step in preparing a spectrophotometer for use.
Answers
We have that the first step is to put the Power source into an on state,Thereby powering the Light point and the Spectrophotometer.
From the question we are told
identify the first step in preparing a spectrophotometer for use.
Generally
A SpectrophotometerThis is a device is out there to help scientist i the mostly in the field of chemistry.
This device is used to Know or arcertain particle with light consuming properties.
The Spectrophotometer is Mostly found in laboratories.
And usually in the use of a Spectrophotometer the first step is to put the Power source into an on state.Thereby powering the Light point and the Spectrophotometer
Therefore
The first step is to put the Power source into an on state,Thereby powering the Light point and the Spectrophotometer.
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How do we know if molecules have kinetic energy?
Answers
Use the information and table to answer the following question A student is planning to determine the specific heat of iron. To do this experiment the student will need to perform the following procedures: StepProcedure 1 Measure the mass of the iron sample 2 Measure the initial temperature of a known volume of water 3 Heat the iron sample . 4 Place the iron sample in the water What is Step 5 in the experiment?
Answers
Step 5 will be to measure the final temperature of the water.
What to use in measuring temperature?To gauge temperature, we rely on thermometers. These devices serve as indispensable tools for obtaining accurate readings. Generally manufactured using glass or plastic, they possess a scale marked off in either degrees Celsius or Fahrenheit for registering the measured values.
Their versatility permits them to be used for assorted purposes like determining atmospheric and aquatic temperatures and food temperatures as well. In addition to this, they are instrumental in detecting health conditions by aiding the measurement of human body heat.
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What is the highest level of complexity for a single celled organism?
Answers
Answer:
Amoeba since it can come together as a multicellular with other amoebas, but still act as one giant living cell.
Explanation: i read in a book that red-slime molds can do that. hope it wasn't too far too late recent.
This is atom economy and I need help ASAP. (It’s 2.2 by the way).
Answers
The atom economy of method 1 is 17%
Titanium is a valuable and expensive metal with some unique properties that make it suitable for special purposes.
What is atom economy?Titanium is the perfect material for marine and aerospace applications because it has high corrosion resistance, especially in saltwater settings. Additionally biocompatible, titanium does not react with living tissue.
We know that the formula for atom economy is;
Atom economy(%) = Mass of desired product/Mass of reactants * 100/1
Mass of desired product = 48 g
Mass of reactants = 80 + 142 + 12 + 48 = 282 g
Atom economy (%) = 48/282 * 100/1
= 17%
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1. How many moles of nitrogen gas are in 1.54x10^26 molecules? How many atoms?
2. How many molecules of water are in 3.45 moles of water?
3. How many atoms of C are in 2.00 moles of Cv6Hv12Ov6? (v means the number is below)
Answers
Answer:
Try everything
1. How many moles of nitrogen gas are in 1.54x10^26 molecules? How many atoms?
2. How many molecules of water are in 3.45 moles of water?
3. How many atoms of C are in 2.00 moles of Cv6Hv12Ov6? (v means the number is below)
Explanation:
Pls help me I don’t know how to do this
Answers
Explanation:
We have a 63.9 g sample of calcium hydroxide. First we have to convert those grams into moles. To do that we have to use the molar mass of calcium hydroxide.
Calcium hydroxide = Ca(OH)₂
molar mass of Ca = 40.08 g/mol
molar mass of O = 16.00 g/mol
molar mass of H = 1.01 g/mol
molar mass of Ca(OH)₂ = 1 * 40.08 g/mol + 2 * 16.00 g/mol + 2 * 1.01 g/mol
molar mass of Ca(OH)₂ = 74.10 g/mol
mass of Ca(OH)₂ = 63.9 g
moles of Ca(OH)₂ = 63.9 g /(74.10 g/mol)
moles of Ca(OH)₂ = 0.862 moles
In 1 molecule of Ca we have 2 atoms of O. So in 1 mol of Ca(OH)₂ we will have 2 moles of O atoms.
1 mol of Ca(OH)₂ = 2 moles of O atoms
moles of O atoms = 0.862 moles of Ca(OH)₂ * 2 moles of O /1 mol of Ca(OH)₂
moles of O atoms = 1.724 moles
One mol is similar to a dozen. When we say that we need a dozen eggs we know that we need 12 eggs. If we want a mol of eggs, we want 6.022*10^23 eggs. So one mol of something is 6.022 * 10^23 of that.
1 mol of O atoms = 6.022 * 10^23 atoms
n° of O atoms = 1.724 moles * 6.022 * 10^23 atoms/1 mol
n° of O atoms = 1.04 * 10^24 atoms
Answer: In a 63.9 g sample of Ca(OH)₂ we have 1.04 *10^24 atoms of oxygen.
Scientists improved Mendeleev’s early periodic table by ___.
including physical properties of elements such as melting point and density
including chemical properties of elements such as the ability to burn or to tarnish
using atomic number instead of atomic mass to organize the elements
using numbers of neutrons and protons to organize the elements by their properties
Answers
Scientists improved Mendeleev’s early periodic table by using atomic number instead of atomic mass to organize the elements. Option C
What is the periodic table?We know that the periodic table is the arrangement of the elements by the use of a definite sequence. The order of the arrangement of the elements would be determined in a given manner.
In the Mendeleev’s periodic table, the arrangement of the elements was on the basis of the masses of the elements. This method did not produce a consistent pattern for all the elements.
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Answer:using atomic number instead of atomic mass to organize the elements
How does an area’s climate determined
Answers
Answer:
The simplest way to describe climate is to look at average temperature and precipitation over time. Other useful elements for describing climate include the type and the timing of precipitation, amount of sunshine, average wind speeds and directions, number of days above freezing, weather extremes, and local geography.
Explanation:
hope it helps
Aria is riding her bike. She is bent slightly over, holding
onto her handlebars. She wants to go faster.
Which best explains what she should do?
She should bend her hips so her head is closer to the
handlebars.
She should sit straight up on the bike, keeping her
arms tight to her body.
She should spread her arms wide while sitting
straight in her seat.
She should flap her arms up and down like a bird.
Answers
Answer:
She should bend her hips so her head is closer to the handlebars.
Answer:
the answer is A did it on edge
Explanation:
At 4 0C, a mixture of automobile antifreeze (50% water and 50% ethylene glycol by volume) has a density of 1064 kg/m3. If the water density if 1000 kg/m3, what is the density of ethylene glycol
Answers
The density of ethylene glycol is approximately 1128 kg/m3, based on the given information about the density of the mixture and the density of water.
To find the density of ethylene glycol, we can use the given information about the density of the mixture and the density of water.
Let's denote the density of ethylene glycol as ρ_eg.
The density of the mixture can be calculated using the volume fractions of water (\(V_water\)) and ethylene glycol (\(V_eg\)) in the mixture:
Density of the mixture = (\(V_water\) * density of water) + (\(V_eg\) * density of ethylene glycol)
Given that the mixture is 50% water and 50% ethylene glycol, the volume fractions can be expressed as:
\(V_water\) = 0.50
\(V_eg\) = 0.50
Substituting the values into the equation:
1064 kg/m³ = (0.50 * 1000 kg/m³) + (0.50 * ρ_eg)
Simplifying the equation:
1064 kg/m³ = 500 kg/m³ + 0.50 * ρ_eg
Subtracting 500 kg/m³ from both sides:
564 kg/m³ = 0.50 * \(\rho_\text{eg}\)
Dividing both sides by 0.50:
\(\rho_\text{eg} = 564 \frac{\text{kg}}{\text{m}^3} \div 0.50\)
\(\rho_\text{eg}\) ≈ 1128 kg/m³
Therefore, the density of ethylene glycol is approximately 1128 kg/m³.
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please solve this and help me.
Answers
1. The number of mole of Fe₂(SO₄)₃ is 0.025 mole
2. The number of mole of Fe₂O₃ formed is 0.025
3. The mass of iron (iii) oxide formed is 4 grams
4. The number of mole of SO₃ produced is 0.075 mole
5. The volume of sulphur trioxide at rtp is 1.8 dm³
1. How do i determine the number of mole of Fe₂(SO₄)₃?The number of mole of Fe₂(SO₄)₃ can be obtained as follow:
Mass of Fe₂(SO₄)₃ = 10 grams Molar mass of Fe₂(SO₄)₃ = 400 g/mol Mole of Fe₂(SO₄)₃ =?Mole = mass / molar mass
Mole of Fe₂(SO₄)₃ = 10 / 400
Mole of Fe₂(SO₄)₃ = 0.025 mole
2. How do i determine the number of mole of Fe₂O₃ formed?The number of mole of Fe₂O₃ formed can be obtained as follow:
Fe₂(SO₄)₃ -> Fe₂O₃ + 3SO₃
From the balanced equation above,
1 mole of Fe₂(SO₄)₃ reacted to produced 1 mole of Fe₂O₃
Therefore,
0.025 mole of Fe₂(SO₄)₃ will also react to produce 0.025 mole of Fe₂O₃
Thus, the number of mole of Fe₂O₃ formed is 0.025 mole
3. How do i determine the mass of iron (iii) oxide formed?The mass of iron (iii) oxide, Fe₂O₃ formed can be obtained as follow:
Mole of iron (iii) oxide, Fe₂O₃ = 0.025 moleMolar mass of iron (iii) oxide, Fe₂O₃ = 160 g/molMass of iron (iii) oxide, Fe₂O₃ = ?Mass = Mole × molar mass
Mass of iron (iii) oxide, Fe₂O₃ = 0.025 × 160
Mass of iron (iii) oxide, Fe₂O₃ = 4 grams
4. How do i determine the number of mole of SO₃ produced?The number of mole of SO₃ produced can be obatined as follow:
Fe₂(SO₄)₃ -> Fe₂O₃ + 3SO₃
From the balanced equation above,
1 mole of Fe₂(SO₄)₃ reacted to produced 3 moles of SO₃
Therefore,
0.025 mole of Fe₂(SO₄)₃ will react to produce = 0.025 × 3 = 0.075 mole of SO₃
Thus, the mole of SO₃ produced is 0.075 mole
5. How do i determine the volume of sulphur trioxide at rtp?The volume of sulphur trioxide, SO₃ at rtp can be obtained as follow:
Mole of sulphur trioxide, SO₃ = 0.075 moleVolume of 1 mole of gas at rtp = 24 dm³Volume of sulphur trioxide, SO₃ =?Volume of sulphur trioxide, SO₃ = mole × molar volume at rtp
Volume of sulphur trioxide, SO₃ = 0.075 × 24
Volume of sulphur trioxide, SO₃ = 1.8 dm³
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