1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
fgiga [73]
3 years ago
9

What is the reaction that joins thousands of small, identical molecules to form one very long molecule?

Chemistry
1 answer:
34kurt3 years ago
8 0
This is known as polymerisation 
You might be interested in
A 20-kg bicycle carrying a 50-kg girl is traveling at a speed of 8 m/s. What is the kinetic energy of the girl
finlep [7]

Answer:

The answer to your question is Ke = 2240 J

Explanation:

Data

mass of the object = 20 kg

mass of the girl = 50 kg

speed = 8 m/s

Kinetic energy = Ke = ?

Formula

Ke = 1/2 mv²

Process

Kinetic energy is due to the movement of an object.

1.- Calculate the total mass

Total mass = 20 + 50 = 70 kg

2.- Substitution

Ke = 1/2(70)(8)²

3.- Simplification

Ke = 1/2(4480)

4.- Result

Ke = 2240 J

6 0
3 years ago
A small crystal of the slightly soluble salt, CaSO4, dissolves in a solution of calcium sulfate. The original solution must have
xz_007 [3.2K]
It has to be dilute since the crystal dissolved and unsaturated for the same reason so B
3 0
3 years ago
Read 2 more answers
This element is a metalloid of Group IV. It has ____ valence electrons on the third energy level. Its name is ____, symbol____.
babymother [125]

Answer: 4 valence electrons, Silicon, Si, 14, 28.0855, 14

Explanation:

3 0
3 years ago
Is potassium fluoride a covalent bond or ionic bond
Ivahew [28]

It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.

A covalent bond is the bond between two nonmetals.

Hope this helped!

7 0
3 years ago
Read 2 more answers
It takes 281.7 kJ of energy to remove 1 mole of electrons from the atoms on the surface of lithium metal. If lithium metal is ir
Alex17521 [72]

Answer:

The maximum kinetic energy of electron is = 2.93 × 10^{-19} Joule

Explanation:

We know that total energy

E = \frac{hc}{\lambda}  ------------ (1)

Here h = plank's constant = 6.62 × 10^{-34} J s

c = speed of light = 3 × 10^{8} \frac{m}{s}

\lambda = 261 nm = 261  × 10^{-9} m

Put all these values in equation (1) we get

E = 7.6   × 10^{-19} J

We know that

Total energy = Energy to remove an electron + K.E of electron

Energy to remove an electron = \frac{281.7 (1000)}{(6.023)10^{23} }

Energy to remove an electron = 4.67  × 10^{-19} J

K.E of electron = Total energy - Energy to remove an electron

K.E of electron = 7.6   × 10^{-19} -  4.67  × 10^{-19}

K.E of electron = 2.93 × 10^{-19} Joule

Therefore the maximum kinetic energy of electron is = 2.93 × 10^{-19} Joule

3 0
3 years ago
Other questions:
  • How are the elements arranged in the modern periodic table?
    12·1 answer
  • Which of the following correctly describes the result of a voltage difference?
    13·1 answer
  • suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+,Ba2+ and Mn2+. The addition of HBr
    14·2 answers
  • Select the correct answer. Which statement best explains the octet rule? A. Atoms gain, lose, or share electrons to achieve a fu
    8·2 answers
  • Select all the correct answers.
    5·1 answer
  • HELP!!!!!!!!!!!!!!
    9·2 answers
  • The partial symbol for a particular ion is 26M2+ What are the number of electrons contained in one ion
    12·1 answer
  • To have a system you need more than one magnet .<br> true or false
    14·2 answers
  • Please help me understand how to...
    14·1 answer
  • What is the positively charged nucleus composed of?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!