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
slava [35]
3 years ago
13

What are 20 physical changes ?

Chemistry
2 answers:
Blizzard [7]3 years ago
5 0

Answer:

Crushing a can

Melting an ice cube

Boiling water

Mixing sand and water

Breaking a glass

Dissolving sugar and water

Shredding paper

Chopping wood

Mixing red and green marbles

Sublimation of dry ice

Crumpling a paper bag

Melting solid sulfur into liquid sulfur. This is an interesting example since the state change does cause a color change, even though the chemical composition is the same before and after the change. Several nonmetals, such as oxygen and radon, change color as they change phase.

Chopping an apple

Mixing salt and sand

Filling a candy bowl with different candies

Vaporizing liquid nitrogen

Mixing flour, salt, and sugar

Mixing water and oil

Explanation:

Jobisdone [24]3 years ago
3 0

Answer:

Crushing a can.

Melting an ice cube.

Boiling water.

Mixing sand and water.

Breaking a glass.

Dissolving sugar and water.

Shredding paper.

Chopping wood.

Explanation:

You might be interested in
I need help pls and thank you
nydimaria [60]
It’s 1 mark k/u thanks
3 0
3 years ago
In Rutherfords gold foil experiment, what caused the deflection of the positively charged particles?
dmitriy555 [2]
The particles<span> that completely went through passed through the empty space in the atom. The </span>particles<span>that were </span>deflected<span> to the sides were deflated by a passing electron that moved the alpha </span>particle<span> out of the way. The </span>particles<span> that were bounced back hit the nucleus in the center that it bounced off.
</span>

hoped that helped
3 0
3 years ago
Read 2 more answers
For lunch today, I ate an apple. What type of carbohydrate did I ingest?
mafiozo [28]

Answer:

Monosaccharide

Explanation:

Apples contain high levels of fructose, which is a monosaccharide.

8 0
3 years ago
1. Mendeleev organized elements in his periodic table in order of increasing ____________________.
lakkis [162]
1. Atomic Mass

2. Highest melting point

3. Configuration

4. A

5. A

6. D

7. A

8. C

9. B

10. A

11. C

12. C

13. A
7 0
3 years ago
Read 2 more answers
Hydrocarbon compounds that have the same composition but different atomic arrangements are called
SVEN [57.7K]
<span>Hydrocarbon compounds that have the same composition but different atomic arrangements are called....</span>isomers

5 0
3 years ago
Read 2 more answers
Other questions:
  • A certain atom has 22 protons and 19 electrons. This atom loses an electron. The net charge on the atom is now . If this same at
    7·1 answer
  • Write a balanced chemical equation for each of the following.
    12·2 answers
  • Strontium 90 (sr-90, a radioactive isotope of strontium, is present in the fallout resulting from nuclear explosions. it is espe
    11·1 answer
  • HELPPP PLEASEEE!!! calculate the energy of radiation with a wavelength of 432 nm
    10·1 answer
  • Which of the following is true about compounds
    11·1 answer
  • A sample of sodium chloride has a mass of 123.45g, how many particles does it have?
    14·1 answer
  • Calculate the molarity of 4.07 x 10^2 mL of solution containing 19.4 g of potassium iodide.
    12·1 answer
  • What is the difference between elements and compounds? *
    10·1 answer
  • The rate constant for a first-order reaction is 2.4 x 10-4 L/(mol's) at 600 K and 6.2 x 10-4L/(mol · s) at 900 K.
    13·1 answer
  • Why a mixture of magnesium hydroxide and water is known as milk of magnesia
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!