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
Airida [17]
3 years ago
14

Does mass increase or decrease during physical change

Chemistry
1 answer:
makvit [3.9K]3 years ago
3 0

Answer:

The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.

In a physical change, a substance's physical properties may change, but its chemical makeup does not.

Explanation:

You might be interested in
What can scientists learn by studying fossils? I. how the Earth's surface has changed over time II. the appearance of an organis
frozen [14]
All of the above!

By analyzing the remains of fossilized organisms (such as old animal bones or plants), scientists can approximate what the organism might have looked like and the climate/environment it lived in -- and based on that, they can try to figure out how the Earth's surface has changed over time. Also, they can use the fossil to compare it to creatures that live now to see what has changed in that species over time.
6 0
4 years ago
Read 2 more answers
HELP PLEASE <br> look at attached pictures <br> Part B
shusha [124]

Answer:

what do you need help with

Explanation:

7 0
3 years ago
Protons are located
Lyrx [107]
<span>(C) in the nucleus with neutrons
</span>
7 0
3 years ago
1. Which of the following statements about separation techniques is correct?
vagabundo [1.1K]

Answer: A

Explanation:

4 0
4 years ago
A 100 kg tree gets struck by lightning and is burned completely to ash. A scientist gathers up all the ash and weighs it to find
Oksi-84 [34.3K]

Answer:

Evaporated via combustion.

Explanation:

The loss on ignition (LOI) and Ash content are inorganic analytical techniques used to determine the percentage by mass of hydrocarbon in compounds. This process allows volatile matter and possibly impurities found in a material to evaporate, leaving behind the true chemical constituents of the material.

The 10kg lost could be moisture content of the tree, or other volatile matter which has escaped on combustion of the tree.

6 0
3 years ago
Other questions:
  • An atom has 30 protons, 35 neutrons, and 30 electrons. What is the charge of the atom's nucleus?
    7·1 answer
  • What comes after testing a hypothesis
    12·2 answers
  • glucose 6‑phosphate+H2O⟶glucose+Pi glucose 6‑phosphate+H2O⟶glucose+Pi K′eq1=270 K′eq1=270 ATP+glucose⟶ADP+glucose 6‑phosphate AT
    9·1 answer
  • Which of the following was not a part of dalton's atomic theory?
    9·1 answer
  • A student places a 12-gram cube of ice inside a container. After six hours, the student returns to observe the contents of the c
    15·1 answer
  • What type of energy does a ball have when it rolls down a hill?
    9·1 answer
  • What is discharge potential
    10·1 answer
  • If the solution is acidic, which ion is found in greater concentration?
    8·1 answer
  • The chemical symbol for helium is H
    5·1 answer
  • Two significance of melting point
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!