predict the product, if any, of reaction between propanoyl chloride and ch3co2- +na.

Answers

Answer 1

The nucleophilic acyl substitution process that results in the formation of an anhydride is caused by the acetate ion in CH3CO2Na+ acting as a nucleophile towards propanoyl chloride.

Acetic anhydride, having the chemical formula (CH3CO)2O, is the most significant component of the organic anhydrides. It can be made industrially in one of two ways: either by atmospheric acetaldehyde oxidation in the presence of a metal acetate or from acetic acid by the reaction with ketene or acetylene. The conjugate base or ion with the chemical formula C2H3O2-, which is generally found in aqueous solution, is also referred to as "acetate." An anion is a negatively charged ion. Your blood's concentration of chloride is crucial for maintaining the right ratio of acid and water in your body.

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Related Questions

Aside from invasives like the crown-of-thorns starfish, what other factor is killing the Great Barrier Reef?
O increased temperatures
O overactive algae
O reactive forms of oxygen
O coral bleaching

Answers

Answer:

increased temperatures

Explanation:

The temperatures are increasing in the ocean because of ocean warming, by climate change. The heat in the ocean stresses healthy corals, which drains them of their vibrant colors, known as bleaching.

kylie jenner wants to test if red or pink lipstick makes her lips look bigger. what is the independent variable here?

Answers

Answer:

her ugly duck lips

Explanation:

Answer:

her lips.

Explanation:

the dependent variable is the lip stick because it changes but her lips do not actually change at all, ......i think. ;)

Need help fast help help help. Help

Answers

Answer:

fjnjfzgnf

Explanation:

Answer:

it blank !

Explanation:

Can someone help me please

Answers

Answer:

the answers are a, f, g

and lastly e because they all describe a liquid

HELP ASAP!!!!!!!!!!
What is sous-vide?


A food stabilizer

B liquid food that chefs make into a spherical shape

C food that chefs quickly freeze using liquid nitrogen

D food that chefs seal in a plastic bag and cook under controlled temperature conditions

Answers

Answer:

D) food that a chef seal in a plastic bag and cook under a controlled temperature condition.

Explanation:

Sous vide, also known as low temperature long time cooking, is a method of cooking in which food is placed in a plastic pouch or a glass jar and cooked in a water bath for longer than usual cooking times at a precisely regulated temperature. 

When a soda is poured into a glass and the soda bubbles, is it the result of a chemical change? Explain your answer.

Answers

yep b/c bubbles and fizzing are a couple of characteristics of a chemical change

A balloon full of air has a volume of 1.00L at a temperature of 23 °C. What is the balloon's volume at 33°C?
Answer:1.03L
How do I solve this?

Answers

Answer:

V2= 1.03L

Explanation:

Start off with what you are given.

V^1: 1.00L

T^1: 23°C

V^2?

T^2: 33°C

If you know your gas laws, you have to utilise a certain gas law called Charles' Law:

V^1/T^1 = V^2/T^2

Remember to convert Celsius values to Kelvin whenever you are dealing with gas problems. This can be done by adding 273 to whatever value in Celsius you have.

(23+273 = 296)     (33+273 = 306)

Multiply crisscross

1.00/296= V^2/306

296V^2 = 306

Dividing both sides by 296 to isolate V2, we get

306/296 = 1.0337837837837837837837837837838

V2= 1.03L

A balloon is filled with 30L of helium gas at 1atm.What is the volume when balloon rises to an attitude where the pressure is only 0.25 atm?

Answers

Answer:

[tex]V_2=120L[/tex]

Explanation:

Hello!

In this case, since Helium is undergoing a volume-pressure change, according the Boyle's law, we infer the following equation is used:

[tex]P_1V_1=P_2V_2[/tex]

Thus, since we are not given the volume at 0.25 atm, we can solve for V2 to do so:

[tex]V_2=\frac{P_1V_1}{P_2}[/tex]

Thus, we plug in to obtain:

[tex]V_2=\frac{1atm*30L}{0.25atm}=120L[/tex]

Best regards!

The final volume of the balloon at the given altitude is 120 L.

The given parameters;

initial volume of the balloon, V₁ = 30 Linitial pressure, P₁ = 1 atmfinal pressure of the balloon, P₂ = 0.25 atm

The final volume of the balloon at the given altitude is calculated by applying Boyles law as follows;

[tex]P_1 V_1 = P_2 V_2\\\\V_2 = \frac{P_1V_1}{P_2} \\\\V_2 = \frac{30 \times 1 }{0.25} \\\\V_2 = 120 \ L[/tex]

Thus, the final volume of the balloon at the given altitude is 120 L.

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A car travelling
at 35 m/s has a
kinetic energy
of 500,000 J.
what is the
mass?

I NEED HELP FIGURING THIS OUT

Answers

Answer:

816.33 kg

Explanation:

To solve this problem we'll need to keep in mind the formula for the kinetic energy of an object:

E = 0.5 * m * v²

Where E is the kinetic energy, m is the object's mass and v its velocity.

We input the data given by the problem:

500000 J = 0.5 * m * (35 m/s)²

And solve for m:

m = 816.33 kg

6. Which of the process would you use to remove salt
dissolved in water?
opicean .Filtration, evaporation, chlorination​

Answers

Answer:

Evaporation

Explanation:

You can use evaporation to separate the salt from the water.

evaporation is the correct answer

PLEASE HELP!!

How many moles are contained in 7.88 x 10^24 atoms of Iron?

Answers

Answer:

Explanation:

9.55 mol of Al

Explanation:

To obtain the number of moles of a certain element given the number of atoms only, you have to divide it with Avogadro's number,  

Answer:  mutiply them

Explanation:

What is full ground state electron configuration of C-?

Answers

Answer:

[tex]1s^{2}[/tex] [tex]2s^{2}[/tex] [tex]2p^{2}[/tex]

Explanation:

Simply [tex]1s^{2}[/tex] [tex]2s^{2}[/tex] [tex]2p^{2}[/tex]

Coal has two valent electrons, so there is 2 in 2p orbital

The pressure 15.0 m under water is 248 kPa.
What is this pressure in torr

Answers

Answer:

1860 torr

Explanation:

In order to convert from kPa to torr, we are going to use the following conversion factor:

1 kPa = 7.5 torr

Now we multiply 248 kPa with this factor so that the kPa units cancel each other and only the torr units remain:

248 kPa * [tex]\frac{7.5torr}{1kPa}[/tex] = 1860 torr

This means that the answer is 1860 torr.

what is the effect of heat and light on chemical reaction​

Answers

Answer:

Exothermic reactions release heat and light into their surroundings. For example, combustion reactions are usually exothermic. In exothermic reactions, the products have less enthalpy than the reactants, and as a result, an exothermic reaction is said to have a negative enthalpy of reaction.

Answer:

Is it fire onn a bottle?

Explanation:

Because I thought that if you shine light ona ANYTHING plastic, the chemical reaction is a little fire.

A student determines the molar mass of acetone, CH3COCH3, by the method used in this experiment. She found that the equilibrium temperature of a mixture of ice and water was 1.0 degrees C on her thermometer. When she added 11.1 g of her sample to the mixture, the temperature, after thorough stirring, fell to -3.0 degrees C. She then poured off the solution through a screen into a beaker. The mass of the solution was 90.4 g.a) What was the freezing point depression?b) What was the molality of acetone? I need help especially with this one.c) How much acetone was in the decanted solution?d) How much water is in the decanted solution?e) How much acetone would there be in a solution containing 1 kg of water and acetone at the same concentration as she had in her experiment?f) What did she find to be the molar mass of acetone, assuming she made the calculation properly?

Answers

Answer:

(a). 4°C, (b). 2.4M, (c). 11.1 g, (d). 89.01 g, (e). 139.2 g and (f). 58 g/mol.

Explanation:

Without mincing words let's dive straight into the solution to the question.

(a). The freezing point depression can be Determine by subtracting the value of the initial temperature from the final temperature. Therefore;

The freezing point depression = [ 1 - (-3)]° C = 4°C.

(b). The molality can be Determine by using the formula below;

Molality = the number of moles found in the solute/ solvent's weight(kg).

Molality = ( 11.1 / 58) × (1000)/ ( 90.4 - 11.1) = 2.4 M.

(c). The mass of acetone that was in the decanted solution = 11.1 g.

(d). The mass of water that was in the decanted solution = 89.01 g.

(e). 2.4 = x/ 58 × (1000/1000).

x = 2.4 × 58 = 139.2 g.

(f). The molar mass of acetone = (12) + (1 × 3) + 12 + 16 + 12 + (1 x 3) = 58 g/mol.

Why are invasive species such a huge threat to ecosystems?

Invasive species are impossible to control once they are introduced and spread rapidly

Invasive species can replace native species, forcing their migration out of the area

Invasive species provide no added benefit or diversity to the ecosystem

Invasive species can do intense damage so much so that ecosystems may not be able to recover

Answers

Answer: Its D the guy above is wrong dont use his answer he got me a 75

Explanation:

Are the gas laws affected depending on whether you use heavy gas particles or light gas particles? If anything, what is affected by the size of the molecule?

Answers

Answer:

yes

Explanation:

Yes, size of molecule has greatly affected the gas law.

The gas laws affected depending on whether we use heavy gas particles or light gas particles because the heavy gas particles can't move faster as light gas particles with the increase of temperature.

If the temperature is increased, the gas particles move faster due to absorb of heat energy so they hit the walls of the container. This causes the pressure to rise. The pressure of a gas also increases when the volume of container in which it is placed is decreased. Bigger the molecule size, the stronger the intermolecular forces, so the molecule has higher melting and boiling points so we can conclude that big size molecule greatly affected the gas law.

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Given that blood exerts the same osmotic pressure as a 0.15 M NaCl solution, which solution could be the hypertonic solution?/search?

a. 0.68 M NaCl solution
b. 0.15 M NaCl solution
c. 0.008 M NaCl solution

Answers

Answer:

a. 0.68 M NaCl solution

Explanation:

The tonicity of a solution can either be hypotonic, hypertonic and isotonic. Hypertonic solution is a solution which possesses a higher concentration of solute in relation to another solution.

According to this question, a solution is said to contain 0.15 M NaCl solute. This means that a solution that will be hypertonic to this solution will have a much more concentration of solute, which based on the options provided is the 0.68 M NaCl solution.

A relationship in which one variable increases as the other variable decreases is an inverse relationship.
CA. True
B. False

Answers

Answer:

TRUE

Explanation:

HOPE IT WILL HELP YOU

Which illustration is a closed circuit? * + A B​

Answers

Answer:

I believe its B for sure

Hope this helps!

Explanation:

I think it is B, by far. Hope this helps you out

An antacid tablet with an active ingredient of CaCO3 was dissolved in 50.0 mL of 0.300 M HCl. When this solution was titrated with 0.300 M sodium hydroxide, 32.47 mL was required to reach the end point. Determine the mass (in grams) of calcium carbonate in the tablet. Molar Mass of CaCO3

Answers

Answer:

Explanation:

mole of HCl remaining after reaction with CaCO₃

= .3 M of NaOH of 32.47 mL

= .3 x .03247 moles

= .009741 moles

Initial HCl taken = .3 x .005 moles = .0015 moles

Moles of HCl reacted with CaCO₃

= .009741 - .0015 = .008241 moles

CaCO₃     +    2HCl   =   CaCl₂  +  CO₂  +  H₂O .

1 mole        2 moles

2 moles of HCl reacts with 1 mole of  CaCO₃

.008241 moles of HCl reacts with .5 x .008241 moles of  CaCO₃

CaCO₃ reacted with HCl =  .5 x .008241 = .00412 moles

the mass (in grams) of calcium carbonate in the tablet

= .00412 x 100 = .412 grams . ( molar mass of calcium carbonate = 100 )

We have that  the mass (in grams) of calcium carbonate in the tablet  is mathematically given as

mass of  CaCO₃= 0.412 grams

The mass (in grams) of calcium carbonate in the tablet

Question Parameters:

An antacid tablet with an active ingredient of CaCO3 was dissolved in 50.0 mL of 0.300 M HCl. titrated with 0.300 M sodium hydroxide, 32.47 mL was required to reach the end point.

Generally the equation for the mole of HCl  is mathematically given as

mole of HCl = 0.3 M of NaOH of 32.47 mL

mole of HCl= 0.3 x 0.03247 moles

mole of HCl= 0.009741 moles

Therefore

Initial HCl taken = 0.3 x 0.005 moles

Initial HCl taken= 0.0015 moles

Moles of HCl reacted with CaCO₃

M_{hcl}= 0.009741 - .0015

M_{hcl}= .008241 moles

The Chemical Equation

CaCO₃     +    2HCl   =   CaCl₂  +  CO₂  +  H₂O .

Therefore, CaCO₃ reacted with HCl is

CaCO₃ reacted with HCl=  0.5 x 0.008241

 CaCO₃ reacted with HCl= .00412 moles

Hence,the mass of   CaCO₃ is

mass of   CaCO₃ = 0.00412 x 100

mass of   CaCO₃= 0.412 grams

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Which of the following are more likely to form a solution? (select all that apply)

A) When both solute and solvent are polar
B) When both solute and solvent are nonpolar
C) When solute is polar and solvent is nonpolar
D) When solute is nonpolar and solvent is polar

Answers

Answer:A and B

Explanation:

A substance is said to be polar when it is having a dipole (a delocalised positive and negative charge) or it is ionic (dissociate into ions when dissolved in water)

Write the formulas for the reactants and products. Balance the chemical equation.

Combination/Synthesis Reaction:

Sodium + Oxygen —>

Answers

Explanation:

2Na+O2=2N2Ois balanced one

P4 +502 — P4010

What is the limiting reactant if you are using 25.0 grams of phosphorus and 50.0 grams of oxygen?


A.) O2


B.) P4


C.) P4O10


D.) P4O2

Answers

Answer:

B.) P4

Explanation:

Step 1: Convert 25.0 grams of phosphorus into moles of phosphorous:

25 g P4 x 1 mol P4/123.90 g P4 = 0.202 mol P4

Step 2: Convert 0.202 mol P4 into moles of O2 using their stoichiometric ratios:

0.202 mol P4 x 5 mol O2/1 mol P4 = 1.01 mol O2

Step 3: Convert 1.01 mol O2 into grams of O2:

1.01 mol O2 x 31.98 g O2/1 mol O2 = 32.3 g O2

Because 25.0 grams of phosphorous only needs 32.3 grams of oxygen to react, phosphorous will be the limiting reactant, as after the 25.0 grams of phosphorous is used up, there will still be 17.7 grams of oxygen leftover (excess reactant).

Because the reaction cannot occur without more phosphorous to react with the 17.7 grams of oxygen remaining, P4 is the limiting reactant.

Answer:  B.) P4

Explanation:

Step 1: Convert 25.0 grams of phosphorus into moles of phosphorous:

        25 g P4 x 1 mol P4/123.90 g P4 = 0.202 mol P4

Step 2: Convert 0.202 mol P4 into moles of O2 using their stoichiometric ratios:

        0.202 mol P4 x 5 mol O2/1 mol P4 = 1.01 mol O2

Step 3: Convert 1.01 mol O2 into grams of O2:

        1.01 mol O2 x 31.98 g O2/1 mol O2 = 32.3 g O2

Because 25.0 grams of phosphorous only needs 32.3 grams of oxygen to react, phosphorous will be the limiting reactant, as after the 25.0 grams of phosphorous is used up, there will still be 17.7 grams of oxygen leftover (excess reactant).

Because the reaction cannot occur without more phosphorous to react with the 17.7 grams of oxygen remaining, P4 is the limiting reactant.

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According to the quantum-mechanical model for the hydrogen atom, which electron transition produces light with the longer wavelength: 3p + 2s or 4p + 3p? Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help increases As the n level increases, the energy and thus the levels are each 3p → 2s other. Therefore, the transition would have a greater energy difference than the transition from inversely decreases Energy and wavelength are proportional, so the transition would farther from produce a longer wavelength. 4p + 3p directly closer to

Answers

Answer:

Explanation:

The main task here is that there are some missing gaps in the above question that needs to be filled with the appropriate answers. So, we are just going to do rewrite the answer below as we indicate the missing gaps by underlining them and making them in bold format.

SO; In the quantum-mechanical model of the hydrogen atom.

As the n level increases. the energy increases and thus levels are closer to each other. Therefore, the transition 3p→2s would have a greater energy difference than the transition from 4p→3p.

[tex]Energy \ and \ wavelength \ are \ inversely \ proportional , \ so \ the \ \mathbf{ 4p\to 3p} \ transition \ would[/tex][tex]produce \ a \ longer \ wavelength.[/tex]

what is the expirement

Answers

Answer:

A Experiment is an operation or procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law

Explanation:

Brainliest pls

An aqueous solution of sodium chloride, NaCl has a mol fraction of 0.15. calculat the molality of NaCl​

Answers

Answer:

8.8mol/l

Explanation:

but I'm not percent sure.

8.8 u r welcome
Llllllll

Explain why anhydrous aluminium chloride is fairly soluble in organic solvent while anhydrous magnesium chloride is insoluble​

Answers

Answer:

The correct answer is - anhydrous aluminum chloride is covalent whereas anhydrous magnesium chloride is ionic.

Explanation:

Anhydrous aluminum chloride is a covalent compound and we know that covalent compounds have less or no polarity. Organic compounds or solvents are mostly non-polar in nature. And it is a thumb rule that like-dissolves-like.

Thus they dissolve covalent molecules like anhydrous aluminum chloride.

Anhydrous magnesium chloride is an ionic compound that tends to interact with a polar solvent but not in a non-polar solvent such as organic solvents.

Anhydrous aluminum chloride is fairly soluble in the organic solvent while anhydrous magnesium chloride is insoluble​ because anhydrous aluminum chloride is covalent whereas anhydrous magnesium chloride is ionic.

Why is AlCl3 soluble in organic solvent?

AlCl3 quite simply accepts electrons from other atoms, in an try and get a full valence shell of eight electrons. It's why it normally behaves as a Lewis acid. In the response under, the Al atom accepts a lone pair of electrons from a Cl atom.

Why is AlCl3 soluble in water?

AlCl3 is hygroscopic and has a great affinity for water. Therefore, aluminum chloride dissolves in water partially.

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Question 4 (4 points)
(01.03 MC)
An energy transformation flow diagram is shown.
X-
ELECTRICAL
ENERGY
What type of energy does X most likely represent? (4 points)
O a
X = gravitational energy

X = mechanical energy
Ос
= thermal energy
Od
X = radiant energy

Answers

I don’t know what is your problem

Answer:

I think radiant I’m not sure

Explanation:

what is the mass in grams of 0.687 moles of NH three

Answers

NH3 = 14 +3*1=17 g/mol
Mass = mol * molar mass = 0.687 * 17= 11.679 g
Can u mark it brainliest?
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