Consider the reaction of (R)-2-chloro-3-methylbutane with sodium iodide to form a

product.


1(a) Draw the reaction scheme with the correct stereochemistry (reactant + NaI → product

+ NaCl). Circle the nucleophile and draw a rectangle around the electrophile.


1(b) What is the symbol used for mechanism shown in 1(a)?


1(c) If the sodium iodide was replaced with sodium hydroxide, the product is an ALKENE. Draw a reaction MECHANISM to show how this happens.


1(d) Draw the reaction energy diagram for the reaction in 1(c) and label the activation

energy.


1(e) Using any alcohol with five carbons, and any carboxylic acid with six carbons, draw a

reaction to show how we would make an ester.


1(f) Describe the practical on esters. ​

Answer:

E and B

Explanation:

the warmer the weather the faster it will decompose, this why is why sometimes bodies last longer frozen, or in cool temperatures.

that statement takes a out.

An illness shouldn't effect a decomposing body

Weight also shouldn't effect a decomposing body

Being buried can make bodies decompose fast because of all the bugs and other animals that will get down there and decompose it faster

Answer: B,E

Answer:

Argon is a member of the noble gas family of elements. This means that it already has eight valence electrons in its outermost shell. Because of this, Ar rarely bonds with other atoms to form compounds

Explanation:

Answer:

Sedimentary

Explanation:

Answer:

it affects by how many fishes it kills i think

Explanation:

Answer:

The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first reacted.

Explanation:

That is what I think on the subject

Answer:The chemical energy

Explanation:because The chemical energy in the food you eat is changed into another kind of chemical energy that your body can use. Your body then uses that energy to give you the kinetic energy that you use in everything you do.

Answer:

c i think

Explanation:

Answer:

all the living organisms in a specific location 2. ...

Identify some biotic factors in the diagram.

Identify some biotic factors in the diagram.

Identify some biotic factors in the diagram.

Identify what this diagram represents? ...

Give one effect that an increase in the minnow population would have on the ecosystem.

Answer:

first you have to know the molecular formula of carbon which is C12H22O11, Then with that you can calculate the mass of each element in the molecule. C:12.01*12= 144.12, H: 1.008*22= 22.176, O: 16*11= 176

Explanation: give me brainliest pls

Answer:

23.85

Explanation:

is over of percent over 100

[tex]\frac{x}{159}[/tex]x[tex]\frac{15}{100}[/tex]

15 x 159 = 2385

2385 ÷ 100 = 23.85

If an athlete weighs 159 lb and has 15.0% % body fat by weight, the athlete's body contains approximately 23.84 pounds of fat.

To calculate the number of pounds of fat in the athlete's body, we can use the following steps:

Convert the athlete's weight from pounds to kilograms:

159 lb × 0.4536 kg/lb = 72.1224 kg

Calculate the weight of the athlete's body fat:

72.1224 kg × 0.150 = 10.81836 kg

Convert the weight of body fat from kilograms to pounds:

10.81836 kg × 2.2046 lb/kg = 23.8447 lb

Therefore, the athlete's body contains approximately 23.84 pounds of fat.

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Answer:

Explanation:

2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O .

2 ) 15.8 mL of .35 M sulphuric acid will contain .35 x .0158 moles of sulphuric acid

= .00553 moles

1 mole of H₂SO₄ reacts with 2 moles of NaOH

.00553 moles of  H₂SO₄ will react with 2  x .00553 moles of NaOH

= .01106 moles

.01106 moles were contained in 25 mL

so concentration of NaOH = .01106 / .025

= .4424 M .

4 )

3NaOH + H₃PO₄ = Na₃PO₄+ 3H₂O .

14 mL of 1.25 M NaOH will contain .014 x 1.25 moles = .0175 moles

25 mL of 1.1 M phosphoric acid = .025 x 1.1 moles = .0275 moles

.0275 moles  of phosphoric acid will require triple moles of NaOH , but it is in short supply . So NaOH is limiting reactant .

water formed = .0175 moles .

= .0175 x 18 grams of water

= .315 grams .

Answer:

It amplifies the picture of something far away.

Explanation:

Answer:

Light from the moon reflects from large mirror, bent by small mirror, focused at focal point, magnified by eyepeice.

Explanation:

Answer:

A. Reversible Process

Explanation:

Going through the meaning of the options we have;

A Reversible: This reaction involves a backward and forward step.. This means that reactant  would react to form products and products in turn wold react to form reactants. This is the correct option.

B. Elementary process: This refers to a single step reaction with a single transition state and no intermediates. This option is wrong because that is not what the question says.

C. Equilibrium Reaction: This refers to a reaction in which there is no change in the concentration of the reactants and products. Rate of forward reaction is equal to the rate of backward reaction.

D. Forbidden Reaction: This is not the correct option.

E. Forward process: This refers to the reaction that involves reactants reacting to form products. This is also not correct as the question states that the products are also able to form reactants.

Answer: chemical weathering

Explanation: Chemical weathering is different from mechanical weathering because the rock changes, not just in size of pieces, but in composition. That is, one type of mineral changes into a different mineral. Chemical weathering works through chemical reactions that cause changes in the minerals.

Answer:

I am not very sure but I think it's chemical weathering

Explanation:

because of double bond within chemical foundation.

Answer:

Saturated fatty acids exhibit a linear structure while unsaturated fatty acids bend, or kink, due to double bonds within the chemical foundation.

The amount of CaCO₃ in the tablet : 0.5219 g

Reaction

1. CaCO₃(in antacid) + 2HCl⇒ CaCl₂+H₂CO₃

2. Titration ⇒ HCl+NaOH⇒NaCl+H₂O

For titration :

M₁V₁.n₁=M₂V₂n₂(n=acid/base valence⇒NaOH/HCl=1)

mol HCl=mol NaOH = excess HCl

[tex]\tt 27.2\times 0.09767=2.657~mlmol[/tex]

mol HCl

[tex]\tt 75\times 0.1746=13.095~mlmol[/tex]

Moles of HCl used (reacted with CaCO₃) :

initial HCl - excess HCl =

[tex]\tt 13.095-2.657=10.438~mlmol=0.010438~mol[/tex]

From reaction 1 :

mol HCl : mol CaCO₃ = 2 : 1

[tex]\tt mol~CaCO_3=\dfrac{1}{2}\times 0.010438=0.005219[/tex]

mass of CaCO₃ :

[tex]\tt 0.005219\times 100~g/mol=0.5219~g[/tex]

Answer:

what are the choices?

Explanation:

Answer:

Heritable traits are known to be passed from one generation to the next via DNA, a molecule that encodes genetic information. ... Organisms inherit genetic material from their parents in the form of homologous chromosomes, containing a unique combination of DNA sequences that code for genes.

Explanation:

Answer:

CH3OH(l) + 3 2 O2(g) → CO2(g) + 2 H2O(l

Explanation:

.

Answer:

D

Explanation:

The potential energy curve of a system of atoms define the potential energy of the atoms with respect to the inter-nuclear separation. The minimum point of the curve represents the equilibrium bond length of the bond.

The energy of the system depends on the distance between the two interacting atoms.

Looking at the potential energy curve for hydrogen molecule in option D, we can assert that a chemical bond indeed exists between the two atoms of hydrogen and the minimum point of the curve is the equilibrium bond length of the bond.

A common relation between potential energy and internuclear distance when stated, is applicable to the ground states of diatomic and polyatomic molecules.

The potential energy of two separate hydrogen atoms often becomes lower as they approach each other, and the single electrons on each atom are shared to form a covalent bond.

The bond length is regarded as the internuclear distance where the lowest potential energy is gotten. The strong attraction of each shared electron often stabilizes the system.

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CH₃CH₂CH₃ is a compound which has lowest vapor pressure   at 25°C as it is a small chain compound without any functional group or substituent present in it.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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Answer:

true i am pretty sure

Explanation:

the ans. is false (:) ok

Answer: They are made of nylon, steel or sometimes gut.

Explanation:

Answer:

Oppositely charged ions attract.

Explanation:

In an ionic bond oppositely charged ions attracts one another by electrostatic attraction.

Answer:

im pretty sure color is the right one

Answer: Ability to Burn

Explanation: I TOOK THE TEST

the gravity of the sun keeps them in their orbits just as the moon orbits the earth because of the pull of Earth's gravity the earth orbits the sun because of the pull of the sun's gravity

Answer: So you are matter, the apple, water, a computer etc.

Explanation: matter is anything that takes up space