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
Schach [20]
3 years ago
8

Common thermoplastic polymers such as polystyrene and PVC can be _______ as often as they are reheated. A) hardened B) shortened

C) softened D) strengthened
Chemistry
1 answer:
tangare [24]3 years ago
5 0
The answer is A) hardened
You might be interested in
Iron sulfide is a compound. It is made by heating a mixture of iron and sulfur.
lara [203]

Answer:

Here are some of the differences between a mixture of iron and sulfur, and iron sulfide: the mixture can contain more or less iron, but iron sulfide always contains equal amounts of iron and sulfur. the iron and sulfur atoms are not joined together in the mixture, but they are joined together in iron sulfide.

Explanation:

6 0
3 years ago
What is measured by the reaction rate?
Andreyy89
The reaction rate is the speed at which products form, based on the rate of the slowest step in the mechanism.
6 0
3 years ago
Read 2 more answers
Where does Earth's Internal Energy Come From? *
lutik1710 [3]

Answer:

There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.

4 0
2 years ago
Read 2 more answers
A 25.0-mL sample of 0.100M Ba(OH)2(aq) is titrated with 0.125 M HCl(aq).
morpeh [17]

Answer:

20.0

Explanation:

NaOH = (25.0) (0.100m) \ 0.125M = 20.0mL

8 0
3 years ago
How many grams are in 8.3 moles of CaCl2?
r-ruslan [8.4K]

Answer:

(8.3×40)+(8.3×71)

921.3grames

3 0
3 years ago
Read 2 more answers
Other questions:
  • Please I need help with the question 42 and answering the chart and it’s very hard and I’m struggling with it and if you need to
    6·1 answer
  • What is the molar concentration of the Br⁻ ions in 0.17 M CaBr2(aq)?
    8·1 answer
  • Describe, in your own words, why granulated sugar will dissolve faster in a cup of coffee than sugar cubes will. Be specific in
    7·1 answer
  • Calculate the ph of a 0.10 m solution of hypochlorous acid
    12·1 answer
  • What factors determine an objects kinetic energy
    10·2 answers
  • If the pressure on a gas is increased, then its volume will...?
    9·1 answer
  • Two substances A and B react with each other in such a way that one-half of A remains after 25 min and one-fourth of A remains a
    6·1 answer
  • Help with this question
    15·1 answer
  • gBe sure to answer all parts. Nicotine can be made when the following ammonium salt is treated with Na2CO3. Determine a stepwise
    10·1 answer
  • Give a Convincing Argument that muscles are alive because they are made out of cells
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!