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ikadub [295]
3 years ago
8

Construct a three-step synthesis of 3-bromocyclopentene from cyclopentane. Drag the appropriate items into the bins. Note that e

ach bin should hold only one item

Chemistry
1 answer:
Temka [501]3 years ago
5 0

Answer:

How about this?

Explanation:

(1) Halogenation of an alkane

Reaction with Br₂ in the presence of UV light to give bromocyclopentane.

(2) Dehydrohalogenation

Reaction with hot alcoholic KOH to give cyclopentene.

(3) Allylic bromination

Reaction with N-bromosuccinimide and a drop of HBr(aq) gives

3-bromocyclopentene.

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Can y’all help me with this last bit of my hw? I don’t really understand it and I would really appreciate it if you could help m
inessss [21]
"A mineral is a homogeneous (which means composed of parts or elements that are all of the same kind) naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word".
6 0
3 years ago
21.Total mass of reactants always equals the total mass of the products true or false
tia_tia [17]

Answer:

True

Explanation:

because its the law of conservation of mass

6 0
3 years ago
A chemical bond formed when two atoms share three pairs of electrons is a ________ bond; it is best described as ________.
Ahat [919]

Answer:

Explanation:

A chemical bond formed when two atoms share three pairs of electrons is a <u>triple bond</u>; it is best described as <u>covalent</u>.

5 0
2 years ago
What error, if any, would the calculated density of the solid have if the material had a hollow center?.
dolphi86 [110]

The error that would make the calculated density of the solid have if the material had a hollow center is that the calculated density would be low, because the volume would be incorrectly measured high.

<h3>What is density?</h3>

The measure of how densely a material is packed together is called density. As the mass per unit volume, it has that definition. Density Formula: = m/V, where is the density, m is the object's mass, and V is its volume. Density Symbol: D.

If a substance had a hollow center, its volume would be high and its density would be low.

Therefore, the error that would make the calculated density of the solid have if the material had a hollow center is that the calculated density would be low, because the volume would be incorrectly measured high.

Learn more about density on:

brainly.com/question/1354972

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7 0
1 year ago
Calculate OH- given H3 O+ = 1.40 *10^-4 M
vova2212 [387]

3.16 X 10^-11 M is the [OH-] concentration when H3O+ = 1.40 *10^-4 M.

Explanation:

data given:

H30+= 1.40 X 10^-4 M\

Henderson Hasslebalch equation to calculate pH=

pH = -log10(H30+)

putting the values in the equation:

pH = -log 10(1.40 X 10^-4 M)

pH = 3.85

pH + pOH =14

pOH = 14 - 3.85

pOH = 10.15

The OH- concentration from the pOH by the equation:

pOH = -log10[OH-]

10.5= -log10[OH-]

[OH-] = 10^-10.5

[OH-]  = 3.16 X 10^-11 is the concentration of OH ions when hydronium ion concentration is 1.40 *10^-4 M.

8 0
3 years ago
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