Select the reagent for the following reaction. ? methyl butyrate N-methylbutyramide Acid halide Anhydride Ester Amide Alcohol Amine Carboxylic acid or carboxylate (the conjugate base of carboxylic acid)

Answers

Answer 1

Answer:

Final answer:

The reagent required to convert an ester-like methyl butyrate into an amide like N-methylbutyramide is ammonia or an amine. The process involves a reaction called aminolysis.

Explanation:

The reagent required for the given reaction, which converts methyl butyrate (an ester) into N-methylbutyramide (an amide), would be ammonia (NH3) or an amine. The process involves a process known as aminolysis where an amine reacts with an ester to produce an amide. This is because the nitrogen within the amine or ammonia molecules attacks the carbonyl carbon of the ester to produce amide. It's critical to maintain an acidic condition to protonate the leaving group during this process.

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Which component in this mixture has the lowest density? A. glass. . B. water. . C. sawdust. . D. sand

Answers

I believe the correct answer from the choices listed above is option A. The component in the mixture that would have the lowest density would be glass. It would be the material that floats who has the lowest density. Hope this answers the question. Have a nice day.

Answer:

I took the test. The answer is C. Sawdust.

Explanation:

how does volcanic activity affect climate are these effects examples of short term or long term climate change

Answers

It can destroy a community which would make it dense and difficult to survive in and then stimulate a pioneer community starting with moss and ferns. which will start a new little ecosystem. So, these effects would be long term, though it can effect the climate in many different ways.

Which is a molecule?
A. Ne
B. NaCL
C. Trail Mix
D. graphene

Answers

B) NaCl is a molecule.

Which best describes the function of a centrifuge?to separate the solute from the solvent
to separate the dissolved part of a solution into layers
to separate a mixture by heating it for a long period of time
to separate the undissolved particles of a mixture into layers

Answers

The correct answer is the last statement. Centrifugation is to separate the undissolved particles of a mixture into layers. It separates a homogeneous mixture by spinning it at high speeds. The precipitate settles at the bottom while the solution is clear.

The correct answer is the last answer choice

The ingredient label for a fruit drink reads: water, sugar, orange juice, high fructose corn syrup, vitamin C, sodium benzoate (preservative), Red 40, Blue 1.What can you conclude about the fruit drink’s contents?

A) The product contains no preservatives
B) The product contains more juice than water.
C) The product contains more sugar than juice.
D) The product contains more sugar than any other ingredient.

Answers

Answer:

Explanation:

C is the only one that is true. Because sugar comes before juice in the ingredients listed, there is more of it.

The tempertaure at which the pressure of the vapor of a liquid is equal to the external pressure acting on the surface of the liquid?

Answers

Answer: Boiling point

Explanation:

Boiling point is the temperature where the vapor pressure of a liquid equals the pressure of the gas present above it.

The normal boiling point of a liquid is the temperature at which its vapor pressure is equal to one atmosphere.

Boiling point depends on the intermolecular forces present between the molecules. More are the intermolecular forces, lesser will be the vapor pressure and thus more heat will be supplied to make vapor pressure equal to the atmospheric pressure. Thus higher will be the boiling point.

Normal boiling point for water is $100^0C$ .

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Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the following are mixed. ammonium sulfate and barium nitrate Answer ‍ ‍ ‍ ; lead(II) nitrate and sodium chloride Answer ‍ ‍ ‍ ‍ ; sodium phosphate and potassium nitrate Answer no reaction; sodium bromide and rubidium chloride Answer no reaction; copper(II) chloride and sodium hydroxide Answer ‍ ‍ ‍ ‍ ‍

What is the physical state of each of these materials at room temperature

The type of bond between atoms of potassium and chloride in a crystal of potassium chloride a. hydrogen bond b. ionic bond c. polar covalent bond d. pure covalent bond e. metallic bond