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
balu736 [363]
3 years ago
14

Which of the following is an example of a PHYSICAL change?

Chemistry
1 answer:
Nezavi [6.7K]3 years ago
3 0

Rust on a nail is a chemical change.

Ice melting IS a physical change. Ice is made of water, when you melt ice its still water. Just in a different physical state.

You might be interested in
Match each section of the atomic structure
Lesechka [4]

<>"Atomic particles. Protons and neutrons are heavier than electrons and reside in the nucleus at the center of the atom. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus. The electron cloud has a radius 10,000 times greater than the nucleus."<>

4 0
3 years ago
Read 2 more answers
What is activation energy
egoroff_w [7]
The minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.


5 0
3 years ago
Be sure to answer these questions in your journal entry: • How long was the journey to Earth? • How fast did you travel? • Was y
damaskus [11]

Answer: What you doing

Explanation:

3 0
2 years ago
How does the appearance of a substance change when it<br> changes phase?
kicyunya [14]

Answer:

Melting: the substance changes back from the solid to the liquid. Condensation: the substance changes from a gas to a liquid. Vaporization: the substance changes from a liquid to a gas. Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase.

Explanation:

6 0
3 years ago
What are the products of this reaction? (High temperature)<br> Na2SO4 * 10H2O + C —&gt; ????
Thepotemich [5.8K]

Answer:

A chemical equation can be described as a symbolic representation of a chemical reaction. It can be written in the form of words or symbols.

The following chemical reaction can be completed as :

Na2SO4·10H2O + 2C = Na2S + 10H2O + 2CO2

Sodium Sulfate Decahydrate + Diamond = Sodium Sulfide + Water + Carbon Dioxide

The products of the reaction are:

  • Sodium Sulfide (Na2S)
  • Water (H2O)
  • Carbon dioxide (CO2)

6 0
3 years ago
Other questions:
  • Solid sodium reacts with liquid water to form hydrogen gas according to the equation 2 Na(s) + 2 H₂O(l) → 2 NaOH(aq) + H₂(g) Wha
    15·1 answer
  • The substance nitrogen has the following properties: normal melting point: 63.2 K normal boiling point: 77.4 K triple point: 0.1
    6·1 answer
  • Which of the following would have the highest viscosity?
    6·2 answers
  • 02 (s) + Pb(s) — PbO2(s) find the reduced and oxidized reactants
    8·1 answer
  • What is the science definition of conductive
    5·1 answer
  • I dont know the steps to percent yield homework
    13·1 answer
  • Two containers hold the same radioactive isotope. Container A contains 1000 atoms, and container B contains 500 atoms. Which of
    5·2 answers
  • A) How many grams of Cu(OH)2will precipitate when excess NaOH solution is added to 42.0mL of 0.641 M CuI2 solution?
    8·1 answer
  • A sealed container is heated from 110K to 175K. The gas begins at a volume of 95L, what is the new volume of the gas upon heatin
    7·1 answer
  • Which radioactive waste can be stored for decay and then safely released into the environment?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!