337.92 moles of Ozone will be produced
1 Oxygen atom is 8 g
1 mole of ozone, O3 = 8 * 3 = 24 g
7.92 * 1024 = 8110.08 g
1 mole = 24 g
? moles = 8110.08 g
? = 337.92 moles
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Ozone has a molecular formula of O3. If 7.92*1024 atoms of oxygen react to form ozone, then 337.92 moles of ozone will produce.
What is molecular formula?Molecular formula is defined as an expression that defines a number of atoms of each element in one molecule of a compound.
It can also be defined as a chemical formula that gives the total number of atoms of each elements in each molecules of a substance.
Ozone is defined as a highly reactive gas composed of three oxygen atoms and form a layer above the earth surface called as ozone layer.
1 oxygen atom = 8 g
1 mole of ozone = 8 x 3 = 24 g
7.92 x 10²⁴ = 8110.08 g
24 g = 1 mole
So, 8110.08 g = 337.92 moles
Thus, Ozone has a molecular formula of O3. If 7.92*1024 atoms of oxygen react to form ozone, then 337.92 moles of ozone will produce.
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A 5.00 L flask at 25˚ C contains 0.200 mol of Cl2 . What is the pressure in the flask?
Answer:
Your answer would be:
0.98atm.
Explanation:
The pressure of a gas can be calculated by using the following expression:
PV = nRT
P = pressure
V = volume
-----------------------------------
n = number of moles
R = gas law constant
T = temperature
P × 5 = 0.2 × 0.0821 × 298
5P = 4.893
P = 4.893 ÷ 5 = 0.98atm
P = 0.98atm
In conclusion, the pressure of a 5.00 L flask at 25 degrees C. that contains 0.200 mol of Cl2 is 0.98atm.
Have a great rest of your day
#TheWizzer
Answer:
Hello, senzawahl SORRY IF I SPELLED YOUR NAME INCORRECT
Prime here ready to solve your question :)
so your correct answer is 0.98atm.
Explanation:
Stay safe
-prime
Why is oxygen reduced in the reaction of hydrogen with oxygen to make water
Answer:
A. Oxygen pushes electrons towards the hydrogens.
Explanation:
The oxygen is reduced because it undergoes a partial gain of electrons. The oxygen atom in water has greater electron density near it than they did in the O₂ molecule.
What is Reduction Reaction ?
Reduction is a chemical reactions in which the number of electrons associated with an atom or a group of atoms is increased.
The electrons taken up by the substance reduced are supplied by another substance, which is thereby oxidized.
The hydrogen is oxidized because it added oxygen to form water.
Conversely the oxygen is reduced because it added hydrogen to form water.
Therefore, The oxygen is reduced because it undergoes a partial gain of electrons. The oxygen atom in water has greater electron density near it than they did in the O₂ molecule.
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PLEASE HELP!!!!!!!
You compare the gas generated from a reaction using two antacid tablets with the gas generated from a reaction using four antacid tablets (consider the antacid as the limiting reagent).
At constant pressure and temperature, how do the volumes of the gases compare?
The two reactions produce the same amount of gas.
The gas generated by four antacid tablets has a smaller volume.
The gas generated by two antacid tablets has a smaller volume.
Answer: The gas generated by two antacid tablets has a smaller volume.
Explanation:
Since the antiacid is the limiting reagent, we know that the more tablets there are, the more gas there will be.
This means that there will be more gas generated by the four antiacid tablets when compared to the two antiacid tablets, which gives us that the gas generated by the two antiacid tablets has a smaller volume.
How do human population growth trends differ between developed nations and developing nations?
Answer:
Growing population
The worlds developing regions will see 1.2 billion people added, a 20.7% increase; while the population of developed countries will increase a mere 3.3% adding 41 million to the current 1.3 billion people.
3.50 grams of an unknown metal was placed in a graduate cylinder containing 50.0
mL water initially. What is the density of this unknown metal if the final reading from
the graduate cylinder was 65.0 mL?
For 3.50 grams of an unknown metal was placed in a graduate cylinder containing 50.0mL water initially, the density of this unknown meta is mathematically given as
D= 0.23 g/ml
What is the density of this unknown metal if the final reading from the graduate cylinder was 65.0 mL?Generally, the equation for the Volume of water is mathematically given as
Vw= Volume of water after metal addition - Volume of water initial
Therefore
Vw = 65 ml - 50 ml
Vw= 15 ml
In conclusion,
D= Mass of metal / Volume
D= 3.5 / 15
D= 0.23 g/ml
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Which one of these are a physical property? Select all that apply. a. Luster (shininess) Conducts Electricity Reactivity with water d. Temperature b. 0 0
A chemist adds 36.0 g of sodium chloride to 200 g of water at STP and all of the sodium chloride dissolves. What is the solute in this scenario?
Answer:
The answer is the Sodium Chloride.
Explanation:
A solute is the minor component in a solution, dissolved in the solvent, and the sodium is being dissolved in water ( or the solvent).
A chemist adds 36.0 g of sodium chloride to 200 g of water at STP and all of the sodium chloride dissolves, in this scenario sodium chloride is solute.
What are solute?Those substance which are present in the solution relatively in less amount is known as solute.
In the question given that 36 grams of sodium chloride is added in the 200 grams of water. From this it is clear that sodium chloride is a solute and water is a solvent, which additionally makes a solution.
Hence, sodium chloride is a solute.
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I would really appreciate someone could answer this question for mee! I will mark brainliest aswell. :)
Which statement is true about the total mass of the reactants during a chemical change?
A)It is destroyed during chemical reaction
B)It is less than the total mass of the products.
C)It is equal to the total mass of the products.
D)It is greater than the total mass of the products.
Answer:
c
Explanation:
mass is like matter it cant be created or destroyed so mass stays the same.
Answer:
C) It is equal to the total mass of the products.
Explanation:
The law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products.
- profparis
The ________________and ______________ of magma cause igneous rocks to form.
A: melting and cooling
B: cementation and compaction
C: weathering and erosion
D: heat and pressure
Answer:
option B
cementation and compaction
Use the bond energy to calculate an approximate value of ΔH for the following reaction. Which is the more stable form of FNO2?
The Lewis structures in which there are no formal charges is the most stable. Hence, structure (b) is the more stable form of FNO2.
Lewis structureThe question is incomplete but I will try to answer you as much as I can. Now the equation is missing hence we can't numerically caculate the enthalpy chnage of the reaction from bond energies. However, we can do this using the formula; Σbond energy of reactants - bond energy of products.
Concerning the Lewis structures of FNO2, the most stable structure is structure (b) as shown in the image attached where the atoms have no formal charges.
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Calculate the pOH for a solution with a hydroxide ion, (OH-) of concentration of 6.49 X 10-11 M.
Calculate the pH.
Note: the answers should have three significant figures
The pOH is: Blank 1
The pH is: Blank 2
Answer:
Calculate the pOH for a solution with a hydroxide ion, (OH-) of concentration of 6.49 X 10-11 M.
Calculate the pH.
Note: the answers should have three significant figures
The pOH is: Blank 1
The pH is: Blank 2
Explanation:
Unwanted elements are removed from metals by a process called
a. mining
b. fission
c.refining
d. recycling
Answer:
C. Refining
Explanation:
Refining process removes elements from a substance
To what temperature must a sample of helium gas be cooled from 139ºC to reduce its volume from 3.1 L to 0.71 L at constant pressure?
Answer:
To what temperature must a sample of helium gas be cooled from 22.2 degrees C to reduce its volume from 1.00L to 100cm3 ?
Explanation:
Why do some animals migrate in and out of the coniferous forest? (select two) Food Cover Precipitation Temperature
Answer:Tep/Shel/
Explanation:
Answer:
it's food and procipitation
Explanation:
A 25 L tank of oxygen under a pressure of.80 atm would require what pressure to
decrease the volume to 1.0 L?
Answer:
20 atm
Explanation:
Use the equation P1 x V1 = P2 x V2.
1) Rearrange the equation with algebra to solve for P2.
P2 = (P1 x V1)/ V2
2) Plug in to the equation where V1 = 25L, P1 = 0.80 atm, and, V2 = 1 L
P2 = (25L x 0.80 atm)/ 1L
3) Solve: P2 = 20 atm
The pressure required to reduce the oxygen's volume to 1 L would be 20 atm.
give the structure of chlorocyclohexane.
don't spam :)
thankyou ~
Answer:
Explanation:
This is not my photo. I got it from this website.
https://pubchem.ncbi.nlm.nih.gov/compound/Chlorocyclohexane#section=2D-Structure
Suppose you are provided with a 35.83 g sample of potassium chlorate to perform this experiment. What is the mass of potassium chloride you expect to release upon heating?
For a 35.83 g sample of potassium chlorate, the mass of potassium chloride is mathematically given as
M Kcl=21.62g
What is the mass of potassium chloride you expect to release upon heating?Generally, the equation for the Chemical Reaction is mathematically given as
2KClO_3----->2KCl+2O_2
Therefore
[tex]Mole of KCl=\frac{35.57}{122.55}[/tex]
Mole of KCl=0.29mol
Mass of Kcl=0.29*74.55
Mass of Kcl=21.62g
In conclusion, Mass of Kcl
M Kcl=21.62g
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how many days it take to a year
Hey there!
January = 31 ☑️
February = 28 (sometimes 29 on a leap year) ☑️
March = 31 ☑️
April = 30 ☑️
May = 31 ☑️
June = 30 ☑️
July = 31 ☑️
August = 31 ☑️
September = 30 ☑️
October = 31 ☑️
November = 30 ☑️
December = 31 ☑️
Therefore, your answer is: 365
[Below is how to find out and what your answer to this given question]
Good luck on your assignment & enjoy your day!
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How many grams of oxygen gas are required to react completely with 2.8 g of solid sodium
in a synthesis reaction?
Explanation:
0.9 grams of oxygen gas we need.
Indicate the electron pair geometry and the molecular geometry for each of the six compounds.
Compound Electron pair geometry Molecular geometry
BeCl
2
linear
linear
SO
3
trigonal planar
trigonal planar
SO
2
trigonal planar
bent
SiCl
4
PF
3
SCl
2
Referring to your benzene model, explain why there is no directionality for a substituent group bonded directly to a benzene ring.
The benzene molecule is flat and planar. As a result of this planarity, the substituent is also in the plane of molecule and do not show any directionality.
What is the benzene moleculeThe benzene molecule is a flat and planar molecule owing to the fact that all the bond lengths and bond angles in the molecules are the same. This results from resonance in the molecule.
Hence, owing to the planarity of the molecule, the substituent is also in the plane of molecule and do not show any directionality.
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*PLEASE HELP**
Which of the following aqueous solutions would have the lowest freezing point?
0.1 M sodium chloride
0.1 M calcium phosphate
0.2 M potassium sulfide
0.3 M aluminum nitrate
0.3 M barium chloride
Answer:
0.1 M Calcium phosphate
Explanation:
Which is also
0.1mCal2
What is the thermodynamics equation?
please help. 15 points. will give brainliest.
Answer:
ΔU = Q − W
Explanation:
the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
ΔU is the change in internal energy U of the system. Q is the net heat transferred into the system—that is, Q is the sum of all heat transfer into and out of the system.
what is the percent (mass/volume) if 22 g of kcl is added to 75 ml of water to make 83 ml of solution
Considering the definition of volume percentage, the mass/volume percent in this solution is 26.5%.
Definition of mass/volume percentMass/volume percent is a measure of concentration that indicates the number of grams of solute in each 100 mL of solution.
In other words, the volume percent of a component in the solution is defined as the ratio of the mass of solute that is present in a solution, relative to the volume of the solution, as a whole.
The volume percentage of a solution is determined by the following expression:
[tex]mass/volume percent=\frac{mass of solute}{volume of solution}100[/tex]
Mass/volume percent in the solutionIn this case, you know:
mass of solute= 22 gvolume of solution= 83 mLReplacing in the definition of mass/volume percent:
[tex]mass/volume percent=\frac{22 g}{83 mL}100[/tex]
Solving:
mass/volume percent= 26.5 %
Finally, the mass/volume percent in this solution is 26.5%.
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A galvanic (voltaic) cell consists of an inert platinum electrode in a solution containing 1.0 M tin(IV) ion and 1.0 M tin(II) ion, and another inert platinum electrode in a solution containing 1.0 M cobalt(III) ion and 1.0 M cobalt(II) ion, connected by a salt bridge. Calculate the standard potential for this cell at 25°C. Standard reduction potentials can be found in the standard reduction potentials table.
In the galvanic or voltaic cell, the standard cell potential is 1.67 V. The standard potential is the difference between the reduction potential of cathode and anode.
What is an electrochemical cell?An electrochemical cell produces energy by a sponteanous chemical process. A galvanic or voltaic cell produces energy by a sponteanous chemical reaction.
Hence, given the standard reduction potentials;
Sn4+ + 2e- ==> Sn2+ Eº = 0.15 V (anode)
Co3+ + 2e- ==> Co2+ Eº = 1.82 V (cathode)
Eºcell = 1.82 V - 0.15 V = 1.67 V
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The density of chlorine gas at 0.970 atm and 29.8 °C is ________ g/L.
Answer:
d=3.95 g/l
Explanation:
1) Ideal gas equation:
pV = nRT
2) Transform the equation to compute density, d = m / V
n = mass in grams / molar mass = m / MM
pV = (m/MM) RT
=> pV = mRT/MM
=> m/V = pMM / (RT)
d = pMM / (RT)
p = 1.21 atm
MM = 83.80 g/mol (this is the atomic mass of krypton element)
T = 50 + 273.15 K = 323.15K
3) Compute:
d = (1.25 atm * 83.80 g/mol) / (0.0821 atm*liter /K*mol * 323.15K)
Consider the reaction.
A(aq)↽−−⇀2B(aq)=4.87×10−6 at 500 K
If a 2.00 M sample of A is heated to 500 K, what is the concentration of B at equilibrium?
Note the signs of equilibrium:-
Reaction don't procede forward or backwardConcentration of products and reactants remains same .So
if
Concentration of A is 2M then concentration of B should be same .
So equilibrium constant K is 1
[tex]\\ \rm\rightarrowtail K=\dfrac{[Products]^a}{[Reactants]^b}[/tex]
So
[B]=[A]^2[B]=2^2[B]=4MThe equilibrium constant K is the ratio of product of molar concentrations of products to the product of molar concentrations of reactants. The concentration of B in the given reaction is 0.0031 M.
What is rate of a reaction?Rate of a reaction is the rate of decrease in the concentration of the reactants or rate of increase in the concentration of products.
Consider the simple reaction A ⇄2B, the rate of the reaction can be written as follows:
rate = K [A]
Where, k is the equilibrium constant or rate constant and [A] is the concentration of reactant A. If A have any coefficients, then the coefficient number is written as power of the concentration term.
The equilibrium constant K = [B]²/ [A] it is given 4.87 ×10⁻⁶ . Thus concentration of B can be calculated as follows:
[B]² = K [A]
= (4.87 ×10⁻⁶)×2.00 M
=9×10⁻⁶
[B] = 0.0031 M
Hence, the concentration of the product B is 0.0031 M.
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Match each form of energy with its definition
Chemical energy
Kinetic energy
Potential energy
mechanical energy
energy of motion ----
the energy of the bonds between atoms-----
the sum of an object's kinetic and potential energies----
stored energy based on position or arrangement-------
Answer:
energy of motion is kinetic
energy of Bond between atom chemical energy
stored energy based on position or arrangement-potential
the sum of an object's kinetic and potential energies----mechinical
Sodium hydroxide (0.400 mol) is allowed to react with an excess of sulfuric acid. How many moles of
sodium sulfate could be recovered from the products?
NaOH + H2SO4 → Na2SO4 + H20
Answer:
2 moles
Explanation:
In this reaction, the stoichiometry (mole ratio) is 1 mole of sulfuric acid reacting with 2 moles of sodium hydroxide (1:2 ratio)
Which property of water makes it effective in protecting firefighters?
Answer:
water has a high specific heat
Explanation:
this should work as an answer