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ollegr [7]
3 years ago
12

Which term best describes this reaction? 2 carbons double bonded to each other, with CH 3 above the left C and H above the right

C and below both. A lowercase n appears next to the left C. Right arrow. StartBracket across single bond to 2 carbons single bonded to each other, and C H 3 above the left C and H above the right C and below both; single bond from C across EndBracket; lowercase n beside the EndBracket. condensation polymerization addition polymerization hydrohalogenation hydration
Chemistry
1 answer:
Ierofanga [76]3 years ago
6 0

Answer:

addition polymerization

Explanation:

In addition polymerization, the monomers are simply joined to each other to form a polymer having the same empirical formula as the monomer but of higher relative molecular mass. The monomers in addition polymerization are usually simple unsaturated molecules such as alkenes.

We can deduce the reaction to be an addition polymerization because of the the attachment of n to both the unsaturated monomer and the saturated polymer without the loss of any small molecule. If it was a condensation polymerization, there would have been an accompanying loss of a small molecule such as water.

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What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.3×1015Hz?
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Answer:

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ħf = ф + Ekmax  

where  

ħ = planks constant = 6.626x10^-34 J s  

f = frequency of incident light = 1.3x10^15 /s (1 Hz =

1/s)

ф = work function of the cesium = 2.14 eV  

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We distinguish that:

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So:

2.14 eV x (1.602x10^-19 J / 1 eV) = 3.428x10^-19 J

So,

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Answer:

5.19x10^-19 J  

Kinetic energy:

In physics, the kinetic energy of an object is the energy that it owns due to its motion. It is defined as the work required accelerating a body of a given mass from rest to its specified velocity. Having expanded this energy during its acceleration, the body upholds this kinetic energy lest its speed changes.

Answer details:

Subject: Chemistry

Level: College

Keywords:

• Energy  

• Kinetic energy

• Kinetic energy of emitted electrons

Learn more to evaluate:

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