Why isn't this structure possible for an isomer of butanoic acid? Like why does the acid group always be on the end of a molecule?
It is not possible for the structure to be an isomer of butanoic acid because it consists of 5 carbon atoms.
What is an isomer of butanoic acid?An isomer of butanoic acid is a chemical compound with the same molecular formula but a different structural arrangement of its atoms.
Butanoic acid, also known as butyric acid, has the molecular formula C₄H₈O₂. It is a carboxylic acid with a straight-chain arrangement of four carbon atoms.
One isomer of butanoic acid is called isobutyric acid (2-methylpropanoic acid). Isobutyric acid has the same molecular formula C₄H₈O₂, but its carbon atoms are arranged in a branched structure.
So from the given structural formula, it is not possible for the structure to be an isomer of butanoic acid because it consists of 5 carbon atoms.
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PLS ANSWER ME QUICK!!
CaO mass is 25 grams
CO2 volume is 144 liters
CaO + CO2 = CaCO3
what is the mass of CaCO3?
Answer:
100.09 amu is the answer.
Answer:
45g
Explanation:
first we will find out which is the limiting reactant (hope you know how to find it)
Cao is the limiting reactant
so
we will find the number of moles of cao which is 0.45 mol
as according to the equation cao and caco3 have ratios 1:1 so both will have the same no. of moles
then by multiplying 0.45mol by 100 (mr of caco3) we will get the mass of caco3 which is 45g
A company produces a colorless vinegar that is 5.0% HC2H3O2 in water. Using thymol blue as an indicator, a student titrates a 15.0-milliliter sample of the vinegar with 43.1 milliliters of a 0.30 M NaOH (aq) solution until the acid is neutralized. Identify the negative ion in the NaOH(aq) used in this titration.
The negative ion in aqueous sodium hydroxide, NaOH(aq) is hydroxide ion, OH-.
What is a neutralization reaction?A neutralization reaction is a reaction between an acid and a base to form salt and water only.
The reaction between vinegar and NaOH is a neutralization reaction which produces a salt and water only.
NaOH is composed of a positive sodium ion, Na+ and a negative hydroxide ion, OH-
Therefore, the negative ion in the NaOH(aq) used in this titration is hydroxide ion, OH-.
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How many grams of O2 are made if 2.90 moles of potassium chlorate react based on the same unbalanced equation below
Answer: 139.2 g
Explanation:
2.9 mol KClO3 (3 mol O2 / 2 mol KClO3) (32 g / 1 mol O2) = 139.2 grams :)
What happens in radioactive decay?
Answer:
When it decays, a radionuclide transforms into a different atom - a decay product. The atoms keep transforming to new decay products until they reach a stable state and are no longer radioactive. The majority of radionuclides only decay once before becoming stable.
calculate the number of mole and molecule in 10g water
Answer:
1 mole of water weighs 18g. 10/18 moles = 10/18 * 6 * 10^23 number of molecules = 3.33 * 10^23 molecules of water. Each molecule of water has 3 atoms, so the total number of atoms in 10g of water is 3*3.33*10^23 = 10^24.
Explanation:
Review the map that shows earthquake zones as yellow lines and active volcanoes as red dots. what pattern can you determine about the focation of the volcanoes and the earthquake zones? also explain why the earthquake zones are long lines on the globe. write 3 to 5 sentences.
A map that shows the location of volcanoes is called a Geologic Map. This kind of map contains information about the geological history and condition of volcanic sites.
What do Geologic Maps indicate?
Geologic maps indicate the following:
Note that the map specific to the question is unavailable hence the general response.
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What current (in a) is required to plate out 2. 96 g of nickel from a solution of ni2 in 27. 12 minutes?
The current required to plate out 2.96 g of nickel from the solution of Ni²⁺ in 27.12 minutes is 5.95 A
Balanced equationWe'll begin by writing the balanced equation showing the number of faraday required to plate nickel. This is given below
Ni²⁺ + 2e —> Ni
Molar mass of Ni = 59 g/mol
Mass of Ni from the balanced equation = 1 × 59 = 59 g
Number of faraday = 2 F
1 faraday = 96500 C
2 faraday = 2 × 96500 = 193000 C
SUMMARY
From the balanced equation above,
59 g of Nickel was deposited by 193000 C of electricity
How to determine the quantity of electricityFrom the balanced equation above,
59 g of Nickel was deposited by 193000 C of electricity
Therefore,
2.96 g of Nickel will be deposited by = (2.96 × 193000) / 59 = 9682.71 C of electricity
How to determine the current Quantity of electricity (Q) = 9682.71 CTime (t) = 27.12 mins = 27.12 × 60 = 1627.2 sCurrent (I) =?I = Q / t
I = 9682.71 / 1627.2
I = 5.95 A
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The current required to plate out 2. 96 g of nickel from a solution of ni2 in 27. 12 minutes is 5.95 ampere.
What is current?Current is a charged particle moving through an electrical conductor.
The equation is [tex]\rm Ni^2^+ + 2e = Ni[/tex]
step 1: calculate the mass of Ni
Molar mass of Ni is 59 g/mol
59 × 1 = 59 g
Step2: calculate the number of Faraday
no. of Faraday is 2F
1 Faraday = 96500 C
then, 2 Faraday is equal to 2 × 96500 = 193000 C
Step 3: calculate the quantity of electricity
59 g of Nickel is deposited by, 193000 C of electricity
So, for 2.96 g of nickel
[tex]\dfrac{2. 96\;g \times 193000}{59} = 9682.71 \;C[/tex]
Step4: calculate the current:
Electricity Q = 9682.71 C
Time = [tex]27.12 \times 60 = 1627.2 \;s[/tex]
To find current
[tex]I = \dfrac{Q}{t} \\\\I = \dfrac{9682.71 }{1627.2}\\I = 5.95 A[/tex]
Thus, the current required is 5.95 ampere.
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How many grams of nicl2∙6h2o will be used to prepare a 0. 0350 m, 500. 0 ml of nicl2 solution?
The mass of NiCl₂•6HO₂ needed to prepare a 0.035 M 500 mL solution of NiCl₂•6HO₂ is 4.165 g
What is molarity?This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the mole of NiCl₂•6HO₂Molarity = 0.035 MVolume = 500 mL = 500 / 1000 = 0.5 L Mole of NiCl₂•6HO₂ =?Mole = Molarity × Volume
Mole of NiCl₂•6HO₂ = 0.035 × 0.5
Mole of NiCl₂•6HO₂ = 0.0175 mole
How to determine the mass of NiCl₂•6HO₂Mole of NiCl₂•6HO₂ = 0.0175 moleMolar mass of NiCl₂•6HO₂ = 238 g/mol Mass of NiCl₂•6HO₂ =?Mass = mole × molar mass
Mass of NiCl₂•6HO₂ = 0.0175 × 238
Mass of NiCl₂•6HO₂ = 4.165 g
Thus, 4.165 g of NiCl₂•6HO₂ is needed to prepare the solution
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The grams of NiCl₂.6H₂O will be used to prepare a 0.0350M, 500ml of NiCl₂ solution is 2.268 grams.
How do we calculate grams from moles?Mass in grams of any substance will be calculated by using moles as:
n = W/M, where
W = given mass
M = molar mass
Moles from molarity will be calculated by using the below formula:
M = n/V, where
M = molarity of NiCl₂ solution = 0.0350M
V = volume of solution = 500mL = 0.5L
On putting values, we get
n = (0.035)(0.5) = 0.0175 mol
Now we convert these moles into grams by using the first formula as:
W = (0.0175mol)(129.6g/mol) = 2.268g
Hence required mass of NiCl₂.6H₂O is 2.268g.
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Can anyone help me on this please.
Mercury(ii) oxide (hgo) decomposes to form mercury (hg) and oxygen (o2). the balanced chemical equation is shown below. 2hgo right arrow. 2hg o2 the molar mass of o2 is 32.00 g/mol. how many moles of hgo are needed to produce 250.0 g of o2? 3.906 moles 7.813 moles 15.63 moles 73.87 moles
Decomposition reaction results in the formation of the products by splitting the reactants. Moles of mercury(ii) oxide needed are 15.63 moles.
What are moles?Moles are the ratio of mass and the molar mass of the compound or the molecule.
Moles of oxygen are calculated as:
[tex]\begin{aligned}\rm n &= \rm \dfrac {mass}{molar\; mass}\\\\&= \dfrac{250}{32}\\\\&= 7.8125 \;\rm moles\end{aligned}[/tex]
The balanced chemical reaction can be shown as,
[tex]\rm 2HgO \rightarrow 2Hg + O_{2}[/tex]
From the reaction, it can be said that 1 mole of oxygen requires 2 moles of mercury oxide.
Moles of mercury oxide are calculated as:
[tex]\begin{aligned} \rm n HgO& = (7.8125 \;\rm moles \; O_{2}) \times (\dfrac{2 \;\rm moles\; HgO}{1 \;\rm mole \; O_{2}})\\\\\rm n HgO &= 15.625 \;\rm moles \end{aligned}[/tex]
Therefore, option C. 15.63 moles of mercury (II) oxide is needed.
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why do NaCl and CaCl2 conduct electricity when they are dissolved in water or when they are in the molten form, but not in the solid state?
Answer:
The ions differentiate when in molten form.
In solid form, no ions are free to flow like in molten form.
In molten or water form, ions flow through the substance with ease, conducting electricity.
Hope it helps
Be great!
Water is constantly being _____________.
Answer:
Cycle
Explanation:
Water on the earth is constantly on the move, it recycles over and over again. This movement is called the water cycle. Precipitation occurs when there is so much water in the air it cannot hold onto it anymore. It will rain, snow, sleet or hail. It fills up our lakes, streams and oceans on the surface of the earth.
help me please this'll cost me half of my grade
The map shows four bodies of water. The graph shows the area of these bodies of water.
Question 1. Identify the units that should be used for the area of these bodies of water.
Question 2. Use the map to identify which body of water (A, B, C, or D) matches bar 3, and explain your answer.
Question 3. Explain what type of water(fresh or salt) is most likely in these bodies of water.
I'll put a picture of the map and the graph
Answer:
...
Explanation:
Explanation:
BECAUSE I DONT KNOW AS WELL CAN SOME ONE HELP.
What is responsible for the sharp decrease in ionization energy between the elements with 2 and 3 atomic number? 10 and 11?
what is fractional distinction
Explanation:
which one of the following a correct way of finding current?
A compound has a molecular weight of 112. 124 atomic mass units and the empirical formula C3H4O. What is the molecular formula of the compound? Use the periodic table to help you. A. C6H8O B. C9H12O3 C. C8H4O2 D. C4H8O2 E. C6H8O2.
The molecular formula of the compound which has a molecular weight of 112.124 atomic mass units is C₆H₈O₂.
What is molecular formula?Molecular formula of any compound tells about the composition and numbers of each entities present in that molecule.
Steps involved in the prediction of molecular formula:
First we predict the molar mass of given emperical formula as:Molar mass of C₃H₄O = 3(12) + 4(1) + 16 = 56
Now we divide the given mass by the calculated mass of empirical formula:112.124/56 = 2
Now we multiply the subscripts of given empirical formula by this whole number and we get:Molecular formula = (C₃H₄O)₂ = C₆H₈O₂
Hence correct option is (E).
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Answer this question
Answer:
1.312788 atm
Explanation:
A radioactive element has a half-life of six days. What is the approximate decay rate of the element after the first day? 0. 9% 1. 5% 8. 3% 10. 9%.
A radioactive element has a half-life of six days then the approximate decay rate of the element after the first day is 8.3%.
What is the half life time?Half life time is that time during which half of the concentration of reactant will changed into the product.
According to the question:
In 6 days = 50% of the reactant will change into product
In 1 day = 50%/6 of the reactant will change into product
So, in 1 day = 8.3% of the reactant will change into product
Hence option (3) is correct.
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UHHH HELP I STUCK IN THIS ONE
Answer:
I believe it's B oxygen
Explanation:
Answer:
D, carbon dioxide.
Explanation:
In order to survive, animals need oxygen, food, and shelter.
What does the abreviation asa stand for chemically?.
Answer:
Acrylonitrile Styrene Acrylate
How many milliliters of 0. 120 m naoh are required to titrate 50. 0 ml of 0. 0998 m butanoic acid to the equivalence point? the ka of butanoic acid is 1. 5 × 10-5.
The volume of NaOH required to titrate 50 mL of 0.0998 M butanoic acid to the equivalence point is 41.58 mL
Balanced equationC₄H₈O₂ + NaOH —> C₄H₇O₂Na + H₂O
From the balanced equation above,
The mole ratio of the acid, C₄H₈O₂ (nA) = 1The mole ratio of the base, NaOH (nB) = 1From the question given above, the following data were obtained:
Concentration of base, NaOH (Cb) = 0.12 MConcentration of acid, C₄H₈O₂ (Ca) = 0.0998 MVolume of acid, C₄H₈O₂ (Va) = 50 mL Volume of base, NaOH (Vb) =?CaVa / CbVb = nA / nB
(0.0998 × 50) / (0.12 × Vb) = 1
4.99 / (0.12 × Vb) = 1
Cross multiply
0.12 × Vb = 4.99
Divide both side by 0.12
Vb = 4.99 / 0.12
Vb = 41.58 mL
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The aldol condensation involves nucleophilic attack of an enolate to a carbonyl. Use the pop-up menus to identify the total number of aldol products that each of the following reactions can produce
Aldol condensation involves the reaction of an acid or base with a carbonyl group producing a nucleophile that attacks another carbonyl compound to yield a β-hydroxyaldehyde or β-hydroxyketone compound.
What is aldol condensation?The aldol condensation is a reaction in organic chemistry in which there is a reaction between an acid or base and a carbonyl group which then serves as the nucleophile that attcks a second carbonyl to yield a β-hydroxyaldehyde or β-hydroxyketone compound.
The aldol condensation may be acid catalysed or base catlysed. The question is incomplete hence the complete mechanimsms can not be decuced.
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A students finds a FeNO3 . 3H2O solution with a 1.8 concentration . She uses a a 2 cm wide cuvette in a colorimeter to measure the absorbance. The molar absorptivity of CuSO4 . 5H2O is 42.243 M-1cm-1
What is the Absorbance of the solution?
The absorbance of a solution that has a concentration of 1.8 is 152.75.
How to calculate absorbance?The absorbance of a substance can be calculated using Beer's law equation as follows:
A = εmCl
Where;
A = absorbanceεm = molar absorptivityC = concentration of solutionl = path lengthAccording to this question, the following information are given:
A = ?εm = 42.243 M-1cm-1C = 1.8l = 2cmA = 42.43 × 1.8 × 2
A = 152.75
Therefore, the absorbance of a solution that has a concentration of 1.8 is 152.75.
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Would the ph at the equivalence point be acidic, basic, or neutral for each given titration?.
Answer:
At the equivalence point, equal amounts of H+ and OH– ions will combine to form H2O, resulting in a pH of 7.0 (neutral). The pH at the equivalence point for this titration will always be 7.0, note that this is true only for titrations of strong acid with strong base.
Explanation:
Pls help A student studies the effect of an object's height on its amount of gravitational energy. This graph summarizes the data from the study. Which statement best describes what the graph shows? A. As height increases, gravitational energy decreases. B. As height increases, gravitational energy increases. C. As height increases, gravitational energy increases exponentially. D. As height increases, gravitational energy decreases exponentially.
Answer:
B, as height increases gravitational energy increases
What phase does chloride occur in?
Answer:
solid
Explanation:
chlorine is liquid
The process that breaks down granite into sediment is deposition
True
false
What is the molarity of 20g of KNO, in 250 mL of water?
Answer:
should be 2M
Explanation:
:)
Select the example of symbiosis, chosen from the list below that is best described by the statement shown.
Answer:
can you show us the list
Explanation: