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
VMariaS [17]
4 years ago
8

Which of the following correctly describes a compound?

Chemistry
2 answers:
Oksi-84 [34.3K]4 years ago
7 0
I think its c, it makes sense to me to be c
statuscvo [17]4 years ago
4 0

Answer: Option (C) is the correct answer.

Explanation:

A compound is a substance that contains atoms of two or more different elements which are chemically combined together in a fixed ratio by mass.

For example, NaCl, CO_{2}, Mg(OH)_{2} etc are all compounds.

Atoms of a compound can be separated by chemical means.

Hence, we an conclude that the atoms can only combine in fixed ratios, and they can only be separated by a chemical change, correctly describes a compound.

You might be interested in
What does state of matter mean
oksano4ka [1.4K]

Answer:

If it is a solid, liquid or gas

Explanation:

5 0
3 years ago
Sarin is a deadly nerve gas that was outlawed by the Chemical Weapons Convention of 1993. However, it has been used at various t
PIT_PIT [208]

Answer:

The correct answer is - a.  Fluorine is the leaving group in Sarin.

Explanation:

A leaving group is a group that leaves a complete negative charge in heterolytic cleavage when it separates out from the molecule. Sarine reacts with the active site of the enzyme acetylcholinesterase that is essential for nerve transmission.

 In this given case, Sarin that is an acid fluoride and ester of methyl phosphonic acid, the fluorine atom is present is the one that leaves with a complete negative charge, therefore, fluorine is the leaving group in Sarin.

Thus, the first option is correct that Fluorine is the leaving group in Sarin.

6 0
3 years ago
Collagen is made of fibers and is found in tendons and cartilage. Collagen
BartSMP [9]

Answer:

Collagen is a "fibrous proteins" present in the extracellular matrix.

Explanation:

Protein are made up of hundreds or thousands of smaller units called amino acids and is made of carbon, hydrogen, oxygen, nitrogen and sometimes sulfur and is found in many foods. Proteins are organic molecules found in living organisms.

There are three types of proteins; fibrous, globular, and membrane.

Collagen which is a fibrous proteins, form muscle fiber, tendons, connective tissue and bone.

Collagen are naturally occurring proteins that consist of single molecules made up of amino-acids, which are in turn built of carbon, oxygen and hydrogen. It is mostly found in fibrous tissues such as tendons, ligaments, and skin.

The synthesis of collagen occurs in two stages: intracellular and extracellular.

Collagen is an abundant connective tissues such as cartilage, tendons, bones, and ligaments. Collagen is a contributing factor to variation in meat tenderness and texture.

7 0
3 years ago
A helium balloon containing 0.100 mol of gas occupies a volume of 2.4 L at 25 C and 1.0 atm. how many moles have we added if we
Vilka [71]

Answer: 0.13mol

Explanation:Please see attachment for explanation

6 0
4 years ago
Consider the statement: “The temperature of the land is an important factor for the ripening of oranges, because it affects the
Alexxx [7]
Physical Properties<span>: </span>Physical properties<span> can be observed or measured without changing the composition of matter. </span>Physical properties<span> are used to observe and describe matter. so physical changes are the change in temperature of the land and the evaporation of water and change humidity of the air. chemical change is the ripening of the orange</span>
7 0
3 years ago
Other questions:
  • Which of these is an example of food engineering?
    13·2 answers
  • What is the Lewis structure of methanethiol, CH3SH?
    5·1 answer
  • A thin sheet of iridium metal that is 3.12 cm by 5.21 cm has a mass of 87.2 g and a thickness of 2.360 mm. What is the density o
    14·1 answer
  • Confused on this question
    8·1 answer
  • Question 13<br> What is the base name for the following compound?<br> C-C=0
    8·1 answer
  • What is the concentration of acetic acid?
    14·1 answer
  • What observations and reasoning led to the development of Hubble's Law?
    6·1 answer
  • Calculate [OH - ] given [H 3 O + ]=1.40x10 -5 M.
    15·1 answer
  • Ecclesiastes 1:4-11 discusses the consistency and predictability of life. Does the nature of radioactive decay support this or c
    11·1 answer
  • A toy truck has a speed of 10 m/s and kinetic energy of 50 J. What is its mass?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!