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
Radda [10]
3 years ago
13

Which substance can be broken down by chemical means?

Chemistry
1 answer:
Nonamiya [84]3 years ago
4 0
Answer is (4). elements/ atoms can't be broken down by chemical means but molecules can.

1, 2 and 3 are elements but 4 is a molecule because it is made of more than one element; in this case, it is made of CARBON and OXYGEN.
You might be interested in
What is chemical reaction ?​
butalik [34]

<u><em>Answer: Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products.</em></u>

Explanation:

7 0
3 years ago
The density of copper is 8.9 g/cm3.If you have 90.0 grams of copper ,how much volume is your copper occupying
lesya692 [45]
D= m/v
90.0/8.9
V= 10.11235
V= 10 cm3
5 0
3 years ago
Can sound pass through space?
Tresset [83]

Answer:

no it can not

Explanation:

6 0
3 years ago
Read 2 more answers
What is used to measure the distance of nearby stars??
Allisa [31]
Light years? if you are talking about the distance to the star.
6 0
3 years ago
(a) A gas fills completely the
ohaa [14]

Answer:

a)The force of attraction between particles of gas is negligible. Because of this, particles of gas move in all directions. Thus, a gas fills the vessel completely in which it is kept.

b)Because of negligible force of attraction between particles of gas, the particles of gas have the highest kinetic energy. These properties enable the particles of gas to move in all directions and hit the walls of container from all sides. Because of this a gas exerts pressure on the walls of the container in which it is kept.

c): A wooden table has fixed shape and fixed volume, which are the main characteristics of solid. Thus a wooden table should be called a solid.

8 0
3 years ago
Other questions:
  • If the ksp of CoCl2 is 1.5x10^-5 calculate the molar solubility
    9·1 answer
  • Calculate the molar mass<br> FeCl3 <br> Fe2(SO4)3 <br> PbO <br> PbO2 <br> Pb3O4
    8·1 answer
  • A compound with molecular formula C6H15N exhibits a singlet at d 0.9 ppm (1H), a triplet at 1.10 ppm (3H), a singlet at 1.15 ppm
    10·1 answer
  • A rock has a mass of 15 grams and a volume of 5 cm3 what is the density of the object
    8·1 answer
  • Why is the cell a basic unit of life?
    9·2 answers
  • Calculate the density of the rock if its mass is 360 g.
    11·1 answer
  • 2) A 0.77 mg sample of nitrogen gas reacts with chlorine gas to form 6.61 mg of a nitrogen
    9·1 answer
  • What is a control group?
    11·2 answers
  • Please help me which one
    12·1 answer
  • 5 g of gold and 25 g of silver are mixed to form a single-phase ideal solid solution. (a) how many moles of solution are there?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!