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
makkiz [27]
3 years ago
10

Give examples which indicate that nylon fibres are very strong.​

Chemistry
1 answer:
Readme [11.4K]3 years ago
3 0

Explanation:

is used for making ropes, used for climbing rocks and for making parachutes. Their usage shows that nylon fibres have high tensile strength

You might be interested in
How much heat must be removed from 456 g of water at 25.0°c to change it into ice at?
N76 [4]
This question can be simply solved by using heat formula,
    Q = mCΔT

Q = heat energy (J)
m = Mass (kg)
C = Specific heat capacity (J / kg K)
ΔT = Temperature change (K)

when water freezes, it produces ice at 0°C (273 K)
hence the temperature change is 25 K (298 K - 273 K)
C for water is 4186 J / kg K or 4.186 J / g K
By applying the equation,
 Q = 456 g x 4.186 J / g K x 25 K
     = 47720.4 J
     = 47.72 kJ

hence 47.72 kJ of heat energy should be removed.
5 0
3 years ago
What happens when an oceanic plate collides with a continental plate?
Fynjy0 [20]
What happens when an oceanic plate collides with a continental plate?

C. The oceanic plate moves under the continental plate
6 0
3 years ago
If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
den301095 [7]

Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

5 0
3 years ago
Will has an aquarium with water, plants, and fish that eat the plants. It is sealed so no material can get in or out, and has gl
Aleks04 [339]

Answer:

The aquarium is covered and not in sunlight

Diminishing

Explanation:

The sun is the ultimate source of energy for all life and activities on earth. The aquarium is no exception.

Green plants manufactures food in the process of photosynthesis by combining carbon dioxide and water in the presence of sunlight.

  • This food provides all other lives with energy through the break down of energy held in carbon chains.

Is the aquarium now in sunlight or is it covered?

Here is a feeding relationship between plants and fish in a pond. The producer here is the plants. The consumer is the fish.

Using carbon dioxide and water, plants manufactures food. When the amount of carbon starts decreasing it shows that the aquarium is covered.

The source of dissolved carbon dioxide in water is the fish which gives off this gas as it respires. When the fish ceases to respire, it does not have enough food and might have died thereby decreasing carbon dioxide levels.

What is happening to the number of energy storage molecules in the plants and fish as a result?

The energy levels in both plant and fish will begin to reduce because the plant is unable to produce food which the fish depends on.

This will furnish a rapid decline in the energy available in these living organisms since the plants are not able to produce.

7 0
3 years ago
Read 2 more answers
The atomic mass of oxygen is 15.999 amu whatbdoes the value equal
sweet-ann [11.9K]

Answer:

The sum of the protons and neutrons.

Explanation:

protons + neutrons = atomic mass

7 0
2 years ago
Other questions:
  • In the structure shown, each vertices is a carbon atom. for example, the ring has six carbon atoms and the chain has three carbo
    5·2 answers
  • Iton is a transition element a) Give two physical properties of iron tgat are similar to sodium. b) Give three physical properti
    7·1 answer
  • What do tissues combine to form?
    5·2 answers
  • What is the point of doing an experiment. Help thank you​
    10·2 answers
  • How does understanding the structure of the atom help you see both unity and diversity in forms of matter?
    6·1 answer
  • Of the following, which does NOT have bilateral symmetry? a. Humans b. Frogs c. Fish d. Jellyfish
    13·1 answer
  • Check all items common to bases:
    12·2 answers
  • How many atoms are in 15 moles of cadmium?
    12·2 answers
  • How much energy is required to vaporize 1.5 kg of copper? (Refer to table of
    6·1 answer
  • Calculate the value of Delta H for the reaction CaCO3 --> CO2 + CaO from the following enthalpy changes:
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!