Place the steps involved in the Fischer esterification reaction in the correct order, starting with the first step at the top
Acid protonates the carbonyl oxygen atom
The alcohol attacks the carbonyl carbon atom, causing the C=O pi bond to break
Proton exchange results in the formation of a neutral tetrahedral intermediate
An -OH group is protonated, creating a good leaving group
H2O is eliminated and the C=O pi bond is reformed
Proton exchange produces a neutral product
Answers
The steps involved in the Fischer esterification reaction in the correct order, starting with the first step at the top is :
protonation of carbonylnucleophile attack on carbonylproton transferwater leavesdeprotonationThe Fischer esterification is the reaction in which the carboxylic acid will convert in to the ester as the final product in the presence of the alcohol and the strong acid catalyst. The steps involved in the Fischer esterification reaction is as given below :
1) Acid protonates the carbonyl oxygen atom
2) The alcohol attacks the carbonyl carbon atom, causing the C=O pi bond to break
3) Proton exchange results in the formation of a neutral tetrahedral intermediate
4) An -OH group is protonated, creating a good leaving group
5) H₂O is eliminated and the C=O pi bond is reformed
6) Proton exchange produces a neutral product.
To learn more about fischer estrification here
https://brainly.com/question/29571244
#SPJ4
Related Questions
matching will give brainliest. if you can answer any it help
1. element with atomic number greater than 92.
2. helium nucleus with and atomic number or 2 and a mass of 4.
3. unit for measuring exposure to radiation.
4. changing of one element to another due to alpha or beta decay.
5. caused by the decay of an electron.
6. atoms of the same element with different numbers of neutron.
7. the initial isotope before decay.
a. rem
b. alpha particle
c. beta particle
d. trans uranium element
e. transmutation
f. isotope
g. parent nuclide
Answers
Explanation:
In natural radioactive decay, three common emissions occur. When these emissions were originally observed, scientists were unable to identify them as some already known particles and so named them:
alpha particles ( α )
beta particles (β)
gamma rays (γ)
These particles were named using the first three letters of the Greek alphabet. Some later time, alpha particles were identified as helium-4 nuclei, beta particles were identified as electrons, and gamma rays as a form of electromagnetic radiation like x-rays, except much higher in energy and even more dangerous to living systems.
What type of energy is due to the motion of an object?
Answers
Answer: kinetic energy
Explanation:
I want to know what effect salt has on the growth of grass. So I measure out 3 equal sized squares of grass out the back of the Green Building. The first square of lawn I water with 5 liters of pure water from a watering can every day. The second square of lawn I water with 5 liters of pure water with 2 grams of salt mixed in, every day. The third square of lawn I water with 5 liters of pure water with 4 grams of salt mixed in, every day. I measure the height of the grass after 14 days and note the following observations. The first square is green and 15 cm high. The second square is green-yellow and 6 cm high. The third square is yellowy-brown and looks dead and is only 2cm high.
Answers
From the outcome of the experiment, we could infer that the salt inhibited the growth of the grass.
Drawing inferences from observationsThe following were observed from the experiment:
Grasses watered with pure water were 15 cm high and appeared luscious greenGrasses watered with water plus 2 g dissolved salt appeared greenish-yellow and were 6 cm high. Grasses watered with water plus 4 g dissolved salt appeared dead and only 2 cm highThus, we can conclude that:
Dissolved salt has an inhibitory effect on the growth of the grass.The more the dissolved salt, the more the inhibitory effect.At a certain threshold concentration, salt has the capacity to kill the grass.More on drawing inferences can be found here: https://brainly.com/question/19617610
#SPJ1
The complete question goes thus:
Observation: I want to know what effect salt has on the growth of grass. So I measure out 3 equal-sized squares of grass out the back of the Green Building. The first square of lawn I water with 5 liters of pure water from a watering can every day. The second square of lawn I water with 5 liters of pure water with 2 grams of salt mixed in, every day. The third square of lawn I water with 5 liters of pure water with 4 grams of salt mixed in, every day. I measure the height of the grass after 14 days and note the following observations. The first square is green and 15 cm high. The second square is greeny-yellow and 6 cm high. The third square is yellowy-brown and looks dead and is only 2cm high. What could we infer about the effect salt has on the growth of grass?
1. How many mL of CH3OH are present in a 17.1 v/v% solution which also contains 320 mL of water?
Do not include units in your answer.
2. What is the m/m% of a solution which contains 8.5 lbs of NaCl dissolved in 29.3 lbs of water?
Report your answer to 2 significant figures and without units.
3. How many grams of NaCl are present in a 194 mL sample of 6.5 M solution?
Report your answer without units.
Answers
The volume of methanol is 54.72 ml, m/m% of solution is 29% and mass of NaCl present is 73.76g
The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a specific measure of the number of atoms or molecules in a bulk sample of matter.
A mole is defined as the amount of substance containing the same number of atoms, molecules, ions, etc. as the number of atoms in a sample of pure 12C weighing exactly 12 g.
Given,
1. v/v% = 17.1 %
This means that 17.1 ml of methanol is present in 100 ml of water.
so, 320 ml of water has 0.171 × 320 = 54.72 ml
2. Mass of NaCl = 8.5 lbs
Mass of water = 29.3 lbs
mass of NaCl in 1 lbs = 8.5 / 29.3 = 0.29 lbs
m/m% = 29%
3. Volume of NaCl = 194 ml
Concentration of NaCl = 6.5 M
Moles of NaCl = 0.194 × 6.5 = 1.261 moles
Mass of NaCl = 1.261 × 58.5 = 73.76g
Learn more about Moles, here:
https://brainly.com/question/30885025
#SPJ1
Question 8
A certain cation has five atoms and an overall charge of +1. Which of the following combinations of
formal charges on the five atoms is indicative of the "best" Lewis structure?
Answers
Answer:
0, 0, 0, +1, 0
Explanation:
Because the compound has a +1 charge overall, the sum of the formal charges must equal +1. The correct answer is the Lewis structure with as many atoms as possible having the formal charge of 0 with just a single atoms having the +1 formal charge.
it is a way of thinking about the world, and is made up of a person's views and belief
Answers
Incomplete question. I inferred you want the term that fits this definition.
Answer:
A Worldview
Explanation:
Having a Worldview refers to an individual's perception or the way one thinks about the world, influenced by their attitudes and values.
This view of the world is made up of a person's views and beliefs which form their expectations about the world in which they live.
BaS(0) +202(g) = BaSO4 Effects of increasing Oxygen on the amount of barium sulphate
Answers
Increasing the amount of oxygen in the reaction would result in an increased yield of barium sulfate, as long as there is an adequate supply of barium sulfide.
In the given chemical equation, the reaction between barium sulfide (BaS) and oxygen gas (O2) produces barium sulfate (BaSO4).
When the amount of oxygen is increased in the reaction, it would favor the production of more barium sulfate. This is because oxygen acts as a reactant in the formation of barium sulfate. By increasing the concentration or availability of oxygen, more oxygen molecules will be available to react with the barium sulfide. The increase in oxygen will provide more oxygen atoms for the formation of sulfate ions (SO4^2-) from the sulfide ions (S^2-) in barium sulfide. Consequently, more barium sulfate will be produced in the reaction. Therefore, increasing the amount of oxygen in the reaction would result in an increased yield of barium sulfate, as long as there is an adequate supply of barium sulfide.
for more questions on oxygen
https://brainly.com/question/32160368
#SPJ11
What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?
Answers
Answer:
wave velocity= frequency × wave length
=1×3
=3m/s
Explanation:
The distance covered by the wave in one second is equal to its wavelength, therefore,
wave velocity=wavelength/time period
OR wave velocity= frequency× wavelength
You can assume velocity as speed here.
What can a scientist use to observe very small things?
1. A good pair of glasses
2. Tools and technology
3. The five senses
4. Sense of touch
Answers
Answer:
2
Explanation:
depends on how small but you wouldn't be able to see with good glasses your senses or your touch
Answer:
Tools and Technology ( Microscopes etc)
Explanation:
Glasses are not good enough to see on the molecular and cellular level.
The five senses aren't reliable and can vary between people.
Touch is one of the 5 senses, and touching chemicals isn't good.
To fight a bacterial infection, a patient was given an antibiotic to take for 10 days.
After the patient finished taking the antibiotics as directed, almost all the bacteria
were killed. After another 10 days, the patient was sick again with the same type of
infection. What most likely happened?
A. A few bacteria survived the antibiotics and stopped reproducing
B. Some bacteria were resistant to the antibiotic,and they reproduced
C. The antibiotic slowed the life cycle of the bacteria
D. The patient’s high fever inactivated the antibiotic,allowing the surviving bacteria to grown rapidly
Answers
Answer: B
Explanation: trust me
Why are half-reactions used in redox reactions?
A) They make it possible to neglect the electrons that are being transferred.
B) they make it easier to keep track of spectator ions
C) They make it easier to see the oxidation and reduction parts of the reactions separately.
d) They make balancing the number of atoms in the reaction unnecassary
Answers
Answer:
c. they make it easier to see the oxidation and reduction parts of the reactions separately
Explanation:
just took the quiz :)
need the answer ASAP
Answers
Answer:
d
Explanation:
Which term describes something that displays all the characteristics of life?
a.homeostasis
b.organism
c.stimulus
d.unicellular
Answers
Which of the following correctly shows a synthesis reaction involving potassium?
A. Br2 + 2KI → I2 + 2KBr
B. 4K + O2 → 2K2O
C. 2KClO3 → 2KCl + 3O22KClO3 → 2KCl + 3O2
D. 2K2O → 4K + O22K2O → 4K + O2
Answers
Answer:
B. 4 K + O₂ → 2 K₂O
Explanation:
Which of the following correctly shows a synthesis reaction involving potassium?
A. Br₂ + 2 KI → I₂ + 2 KBr
No, this is a single displacement reaction, in which Br displaces I from its salt.
B. 4 K + O₂ → 2 K₂O
Yes, this is a synthesis reaction, in which 2 elements combine to form a compound.
C. 2 KClO₃ → 2 KCl + 3 O₂
No, this is a decomposition reaction, in which a big substance decomposes into smaller ones.
D. 2 K₂O → 4K + O₂
No, this is a decomposition reaction, in which a big substance decomposes into smaller ones.
Write the equilibrium expression for the following reaction. CaO(s) + CH₄(g) + 2H₂O(g) —> CaCO₃(s) + 4H₂(g)
Answers
The equilibrium expression can be written as follows:
K = [CaCO₃] × [H₂]⁴
------------------
[CaO] × [CH₄] × [H₂O]²
In this equilibrium expression, the square brackets represent the concentrations of the species involved in the reaction, and the coefficients of the balanced equation indicate the stoichiometric coefficients of the corresponding species.
The concentration of a pure solid (CaCO₃ in this case) is not included in the equilibrium expression, as it remains constant throughout the reaction.
The equilibrium constant (K) represents the ratio of the product concentrations to the reactant concentrations at equilibrium, each raised to the power of their respective stoichiometric coefficients. The specific values of these concentrations depend on the initial conditions, and K remains constant as long as the temperature is unchanged.
It is important to note that the equilibrium constant expression is written based on the balanced chemical equation. The stoichiometric coefficients determine the relationship between the concentrations of reactants and products, allowing us to express the equilibrium state quantitatively using the equilibrium expression.
For more such question on equilibrium. visit :
https://brainly.com/question/30843966
#SPJ8
What is the percent of calcium ion in Ca3(PO4)2
Answers
Answer:
Therefore, we can write that the mass percentage of all the elements in calcium phosphate is 38.71% calcium, 20% phosphorous and 41.29% oxygen.
Explanation:
hope it will help you have a great day bye and Mark brainlist if the answer is correct
\(kai6417\)
#carry on learning
Can someone please help me with this question. I got half of the question and I am stuck on the rest.
Answers
The mean of the data set is approximately 4.0626, and the 90% confidence interval is [4.060925, 4.064275].
What is the mean and 90% confidence interval of the given data?The sample mean (x) is calculated as follows:
x = (4.0620 + 4.0550 + 4.0650 + 4.0740 + 4.0550 + 4.0660) / 6
x ≈ 4.0626 (rounded to four decimal places)
The 90% confidence interval is calculated as follows;
Standard deviation (s):
(4.0620 - 4.0626)² = 0.00000036
(4.0550 - 4.0626)² = 0.00000576
(4.0650 - 4.0626)² = 0.00000006
(4.0740 - 4.0626)² = 0.00001328
(4.0550 - 4.0626)² = 0.00000576
(4.0660 - 4.0626)² = 0.00000012
average of the squared differences:
(0.00000036 + 0.00000576 + 0.00000006 + 0.00001328 + 0.00000576 + 0.00000012) / 6 ≈ 0.00000624
s = √(0.00000624)
s ≈ 0.002496
the standard error of the mean (SEM):
SEM = 0.002496 / √6
SEM ≈ 0.001018
For a 90% confidence interval, the z value is approximately 1.645.
ME = 1.645 * 0.001018 ≈ 0.001675
CI = x ± ME
CI = 4.0626 ± 0.001675
CI ≈ [4.060925, 4.064275]
Learn more about mean and confidence intervals at: https://brainly.com/question/20309162
#SPJ1
If the magnetic energy stored by a 0.50 H inductor is 3.6 J, what is the current through it?
A. 0.13 A
B. 0.90 A
C. 1.8 A
D. 3.8 A
E. 5.4 A
Answers
The current passing through the inductor is 3.8 A. The correct option is D. 3.8 A
Energy stored in a magnetic fieldFrom the question, we are to determine the current passing through the inductor.
From the formula, for the energy stored in a magnetic field
E = 1/2LI²
Where E is the energy
L is the inductance
and I is the current
From the given information,
E = 3.6 J
L = 0.50 H
Putting the parameters into the formula, we get
3.6 = 1/2 × 0.50 × I²
3.6 = 0.25 × I²
I² = 3.6 ÷ 0.25
I² = 14.4
I = √14.4
I = 3.7947
I ≅ 3.8 A
Hence, the current passing through the inductor is 3.8 A. The correct option is D. 3.8 A
Learn more on Energy stored in a magnetic field here: https://brainly.com/question/15244801
What unit should you think of when using coefficients?
Answers
Answer:
Far as I know coefficients are unitless. sorry if this don't help ;)
Write the atomic symbol (including the atomic number) for an isotope with 54 protons and 78 neutrons.
Answers
Answer:
132 54Xe
Explanation:
From the question given above, the following were obtained:
Proton = 54
Neutron = 78
Atomic number =?
Atomic symbol =.?
Next, we shall determine the atomic number of the isotope. This can be obtained as follow:
Atomic number of an element is simply defined as the number of protons in the atom of the element.
Thus,
Atomic number = proton number
Proton = 54
Atomic number = proton number = 54
Atomic number = 54
Therefore, the atomic number of the isotope is 54
Next, we shall determine the mass number of the isotope. This can be obtained as follow:
Proton = 54
Neutron = 78
Mass number =.?
Mass number = Proton + Neutron
Mass number = 54 + 78
Mass number = 132
Therefore, the mass number of the isotope is 132.
From the calculations made above, the isotope have:
Atomic number = 54
Mass number = 132
Comparing the atomic number with those in the periodic table, the isotope is Xenon (Xe).
Thus, the atomic symbol for the isotope is 132 54Xe.
Solving limiting reactant problems in solution
Suppose 9.91 g of barium nitrate is dissolved in 300. mL of a 0.50 M aqueous solution of ammonium sulfate.
Calculate the final molarity of barium cation in the solution. You can assume the volume of the solution doesn't change when the barium
nitrate is dissolved in it.
Round your answer to 3 significant digits.
M
Answers
Final Molarity of barium ion = 0.127 M.
We first assume the reaction goes to completion and that the volume. of the reaction doesn't change.
The balanced stoichiometric equation is
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(s) + 2NH4NO3(aq)
irst of, we need to check which reactant is in excess and which one is completely used up in the reaction. To do this, we fimd the number moles of each reactant at the start of the reaction.
For Ba(so4)₂
Number of moles = (Mass)/(Molar Mass)
Mass of Barium nitrate = 9.91 g
Molar mass of Barium nitrate = g/mol
Number of moles = (9.91/261.337) = 0.038 moles.
For NH₄NO3,
Number of moles = (Concentration in mol/L) × (Volume in L)
Concentration of Ammonium surface in mol/L = 0.50 M
Volume in L = (300/1000) = 0.3 L
Number of moles = 0.50 × 0.3 = 0.15 moles
From the stoichiometric balance of the reaction,
1 mole of Ba(NO3)₂ reacts with 1 mole of BaSO₄
Hence, it is evident that it is Ba(NO3)₂ that is the limiting reagent; the chemical specie that is used up in the process of the reaction and it determines the amount of other reactants required & products formed.
1 mole of Ba(NO3)₂ gives 1 moles of 0.038 moles of BaSO4(s) will give 1× 0.038 moles is The molarity of Ba(SO4) Then given as (number of moles) ÷ (Vol in L)
Number of moles = 0.038moles
Volume of the solution in L = 0.3 L
Molarity of BaSO4 = (0.038/0.3)
= 0.127 M
Note that 1 mole of Ba(SO4)contains 1 mole of Ba+2 ion
Hence, 0.127 M of Ba(SO4) also contains 0.127 M of Ba+2 ion.
learn more about molarity
https://brainly.com/question/26873446
#SPJ9
According to the graph, predict the force of gravity on an object of mass 1000 kg if the gravitational force is 25 Newtons for an object of 500 kg.
Answers
Based on the proportionality established by the given data, we predict that the force of gravity on an object of mass 1000 kg would be 50 Newtons.
To predict the force of gravity on an object of mass 1000 kg, we can use the concept of proportionality. Based on the given information, we have two data points: the mass of an object of 500 kg and the corresponding gravitational force of 25 Newtons.
Let's denote the force of gravity on the object of mass 1000 kg as F₁ and solve for it using a proportion:
mass₁ / force₁ = mass₂ / force₂
Plugging in the values we have:
1000 kg / F₁ = 500 kg / 25 N
Cross-multiplying and solving for F₁:
(1000 kg) * (25 N) = (500 kg) * F₁
25,000 kg*N = 500 kg * F₁
Dividing both sides by 500 kg:
F₁ = (25,000 kg*N) / 500 kg
F₁ = 50 N
For such more questions on gravity
https://brainly.com/question/18258780
#SPJ8
What is the hydroxide ion concentration of a solution
with a pOH of 5.0?
Select one:
a 5.0 x 10¹¹ M
b 1.0 x 105 M
c 1.0 x 10⁹ M
d 1.0 x 109 M
Answers
Answer: 1.0 X 10^-5 M
Explanation:
to change pOH to OH- it is judt 1 X 10-pOH
so it is 1 x 10^-5
Identify the substance that has formula mass of 133.5amu.
(a) MgCI
b)SCI
c)BCI
D) AICI
Answers
The calculated formula masses to 133.5 amu, we find that the substance with a formula mass closest to 133.5 amu is (d) AlCl3. Therefore, the answer is option D.
To identify the substance with a formula mass of 133.5 amu, we need to calculate the formula mass of each given substance and compare it to 133.5 amu.
(a) MgCl2:
The formula mass of MgCl2 can be calculated by adding the atomic masses of magnesium (Mg) and chlorine (Cl).
Mg: atomic mass = 24.31 amu
Cl: atomic mass = 35.45 amu
Formula mass of MgCl2 = (24.31 amu) + 2(35.45 amu) = 95.21 amu
(b) SCl:
The formula mass of SCl can be calculated by adding the atomic masses of sulfur (S) and chlorine (Cl).
S: atomic mass = 32.07 amu
Cl: atomic mass = 35.45 amu
Formula mass of SCl = 32.07 amu + 35.45 amu = 67.52 amu
(c) BCl:
The formula mass of BCl can be calculated by adding the atomic mass of boron (B) and chlorine (Cl).
B: atomic mass = 10.81 amu
Cl: atomic mass = 35.45 amu
Formula mass of BCl = 10.81 amu + 35.45 amu = 46.26 amu
(d) AlCl3:
The formula mass of AlCl3 can be calculated by adding the atomic mass of aluminum (Al) and 3 times the atomic mass of chlorine (Cl).
Al: atomic mass = 26.98 amu
Cl: atomic mass = 35.45 amu
Formula mass of AlCl3 = 26.98 amu + 3(35.45 amu) = 133.78 amu. Option D
For more such questions on masses visit:
https://brainly.com/question/24191825
#SPJ8
I need help with number 7 please
Answers
Answer:
conductivity
Explanation:
Occurs when one or more substances change to produce one or more different substances?
1.Chemical Property
2. Chemical Reaction
3.Physical Property
4.Bulk Quanities
5. Pure Substance.
Answers
Answer:
2. Chemical Reaction
Explanation:
I am pretty sure that is the only possible answer, but don't be mad if I am wrong.
Fe + H₂O → Fe3O4+H₂ help
Answers
Answer:
3Fe + 4H₂O --> Fe3O4 + 4H2
Use the above equalities to calculate the following
D. How many moles of Li3P can be generated from 18.0 grams of Li2SO4?
[6 points]
E. How many grams of MgSO4 will be produced from 10.25 grams of Mg3P2?
[8 points]
Answers
Answer:
D = 5.27 g
Explanation:
The molar mass of Li2SO4 is 2·7 + 32 + 64 = 110
18 g Li2SO4 contains 18/110 = 0.1636 mole Li2SO4, or 0.32727 mol Li
This allows to prepare 0.1091 mol Li3P
1 mole Li3P weighs 3·7 + 31 = 52 g/mol
0.1091 mol Li3P weighs 52 g · 0.1091 = 5.27 g
What volume of CO2(g), measured at STP is produced if 15.2 grams of CaCO(s) is heated?
Answers
Answer:
Volume = 3.4 L
Explanation:
In order to calculate the volume of CO₂ produced when 15.2 g of CaCO₃ is heated, we need to first write out the balanced equation of the thermal decomposition of CaCO₃:
CaCO₃ (s) + [Heat] ⇒ CaO (s) + CO₂ (g)
Now, let's calculate the number of moles in 15.2 g CaCO₃:
mole no. = \(\mathrm{\frac{mass}{molar \ mass}}\)
= \(\frac{15.2}{40.1 + 12 + (16 \times 3)}\)
= 0.1518 moles
From the balanced equation above, we can see that the stoichiometric molar ratios of CaCO₃ and CO₂ are equal. Therefore, the number of moles of CO₂ produced is also 0.1518 moles.
Hence, from the formula for the number of moles of a gas, we can calculate the volume of CO₂:
mole no. = \(\mathrm{\frac{Volume \ in \ L}{22.4}}\)
⇒ \(0.1518 = \mathrm{\frac{Volume}{22.4}}\)
⇒ Volume = 0.1518 × 22.4
= 3.4 L
Therefore, if 15.2 g of CaCO₃ is heated, 3.4 L of CO₂ is produced at STP.
Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C, given that [Sn2+]=0.0624 M, [Fe3+]=0.0437 M, [Sn4+]=0.00655 M, and [Fe2+]=0.01139 M. Standard reduction potentials can be found in this table.
Sn2+(aq)+2Fe3+(aq)↽−−⇀ Sn4+(aq)+2Fe2+(aq)
So far my incorrect answers have been:
0.28
0.798
0.178
0.142
0.881
0.61
and 0.812
Answers
Answer:
The cell potential for the given galvanic cell is 0.188 V.
Explanation:
To calculate the cell potential, we can use the Nernst equation:
Ecell = E°cell - (RT/nF)ln(Q)
where E°cell is the standard cell potential, R is the gas constant (8.314 J/mol·K), T is the temperature in Kelvin (25°C = 298 K), n is the number of moles of electrons transferred (in this case, n = 2), F is the Faraday constant (96,485 C/mol), and Q is the reaction quotient.
First, we need to write the half-reactions and their standard reduction potentials:
Sn4+(aq) + 2e- → Sn2+(aq) E°red = 0.15 V
Fe3+(aq) + e- → Fe2+(aq) E°red = 0.77 V
The overall reaction is the sum of the half-reactions:
Sn2+(aq) + 2Fe3+(aq) → Sn4+(aq) + 2Fe2+(aq)
The reaction quotient Q can be expressed as:
Q = [Sn4+][Fe2+]^2 / [Sn2+][Fe3+]^2
Substituting the given concentrations, we get:
Q = (0.00655)(0.01139)^2 / (0.0624)(0.0437)^2 = 0.209
Now we can calculate the cell potential:
Ecell = 0.15 V + 0.0592 V log([Fe2+]^2/[Fe3+]) + 0.0592 V log([Sn4+]/[Sn2+])
= 0.15 V + 0.0592 V log(0.01139^2/0.0437^2) + 0.0592 V log(0.00655/0.0624)
= 0.188 V
Therefore, the cell potential for the given galvanic cell is 0.188 V.
The cell potential for the given galvanic cell in which the given reaction occurs at 25 °C is 0.188 V.
How to the cell potential of galvanic cell?To find the cell potential, we take the Nernst equation:
Ecell = E°cell - (RT/nF)ln(Q)
In which R is the gas constant (8.314 J/mol·K) and E° cell is the standard cell potential.
T temperature in Kelvin (25°C = 298 K), and n is the number of moles of electrons transferred (n = 2), Q is the reaction quotient and F is the Faraday constant (96,485 C/mol).
Firstly, write the half-reactions and then their standard reduction potentials:
Sn⁴⁺(aq) + 2e⁻ → Sn²⁺(aq) E°red = 0.15 V
Fe³⁺(aq) + e⁻ → Fe²⁺(aq) E°red = 0.77 V
The overall reaction is the sum of the half-reactions:
Sn²⁺(aq) + 2Fe³⁺(aq) → Sn⁴⁺(aq) + 2Fe²⁺(aq)
The Q reaction quotient can be written as:
Q = [Sn⁴⁺][Fe²⁺]² ÷ [Sn²⁺][Fe²⁺]²
Substituting the given concentrations, we observe:
Q = (0.00655)(0.01139)² ÷ (0.0624)(0.0437)² = 0.209
Next, we can find the cell potential:
Ecell = 0.15 V + 0.0592 V log([Fe²⁺]²/[Fe³⁺]) + 0.0592 V log([Sn⁴⁺]/[Sn²⁺])
= 0.15 V + 0.0592 V log(0.01139²÷0.0437²) + 0.0592 V log(0.00655÷0.0624)
= 0.188 V
Thus, the cell potential for the given galvanic cell is 0.188 V.
Learn more about cell potential, here:
https://brainly.com/question/29719917
#SPJ2