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
tatuchka [14]
3 years ago
15

What methods do scientists use to determine if a change was physical or chemical?

Chemistry
1 answer:
Bess [88]3 years ago
5 0
A physical change will not change the chemical make-up of the material. the change will not produce a new substance.

a chemical change will have a reaction that produces heat, light, a change in color, releases a gas, or rust
You might be interested in
What is the identity of a metal that has a mass of 27.0 g and a volume of 10.0 cm3?
dexar [7]

The identity of a metal that has a mass of 27.0g and a volume of 10.0cm is Aluminium. That is option B.

<h3>What is molar mass?</h3>

Molar mass is defined as the mass in grams of one mole of an element. This is measured in grams/mole of that substance.

The metal that is 27.0 g and a volume of 10.0 cm3 is aluminium because aluminium is 27 times heavier than 1/12th of the mass of carbon-12 atom.

Therefore, the identity of a metal that has a mass of 27.0g and a volume of 10.0cm is Aluminium.

Learn more about molar mass here:

brainly.com/question/837939

#SPJ1

6 0
1 year ago
How does atomic mass differ from atomic number
Lina20 [59]
The atomic mass is the average mass of all the isotopes. The atomic number is the number of protons in the nucleus of an atom. In an uncharged atom the atomic number is also equal to the number of electrons. 

Hope this helps!
3 0
3 years ago
Read 2 more answers
Where is most of Earth’s fresh water found?
puteri [66]

Answer:

ice caps and glaciers

Explanation:

Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.

6 0
3 years ago
Read 2 more answers
Pure water is an electrolytic solution. <br><br><br> True <br> False
dmitriy555 [2]
The answer to this is false. 
6 0
3 years ago
Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? Which of these bes
Pani-rosa [81]
Nitrogen monoxide has 1 oxygen atom and
Nitrogen dioxide has 2 oxygen atoms
3 0
2 years ago
Other questions:
  • 6. Which compound is a saturated hydrocarbon?
    14·1 answer
  • Are all physical reactions reversible?
    6·1 answer
  • Calculate the mass of methane that must be burned to provide enough heat to convert 242.0 g of water at 26.0°C into steam at 101
    5·1 answer
  • CAN SOMEONE go through this with me pleaseeeSTEP BY STEP AND TELL ME THE ANSWERS!!!thx
    10·1 answer
  • An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of
    10·1 answer
  • Which of the following statements about the domestication of animals during the agricultural revolution is FALSE?
    15·1 answer
  • A block of metal has a mass of 18.361kg and the following dimensions: 22.35 cm x 7.34 cm x 22.05 mm. What is the density of the
    15·1 answer
  • Read the descriptions below of two substances and an experiment on each. Decide whether the result of the experiment tells you t
    6·1 answer
  • I'm super lost on beta, alpha, and gamma decay.
    11·1 answer
  • One of the following represents the greatest mass of chlorine..........
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!