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
nlexa [21]
3 years ago
11

What happens when a substance undergoes a physical change?

Physics
2 answers:
vodka [1.7K]3 years ago
8 0
A: Some physical properties change, but the substance keeps its identity.
zlopas [31]3 years ago
8 0

Answer;

A: Some physical properties change, but the substance keeps its identity.

Explanation;

Physical changes occur when objects or substances undergo a change that does not change their chemical composition. This is different from chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances.

A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

You might be interested in
Define the reflection with diagram​
LekaFEV [45]

Answer:

The incident light ray which lands upon the surface is said to be reflected off the surface. The ray that bounces back is called the reflected ray. If a perpendicular were to be drawn on reflecting surface, it would be called normal. The figure below shows the reflection of an incident beam on a plane mirror.

Explanation:

6 0
3 years ago
Porque deja de funcionar una estufa electrica cuando la electricidad es excesiva??
Brums [2.3K]
<h3>Porque deja de funcionar una estufa electrica cuando la electricidad es excesiva?</h3>

  • Es normal que los quemadores superiores de una estufa eléctrica o una estufa se enciendan y apaguen en configuraciones distintas a Hi. El quemador se encenderá y apagará más de lo normal cuando se utilizan cacerolas que no son planas o que son del tamaño incorrecto para el quemador.

<h2>☆彡Hanna</h2>

#CarryOnLearning

7 0
3 years ago
Read 2 more answers
A tiger travels 3m/s^2 for 4.1s,what was its initial speed if it's final speed was 55k/h?
zaharov [31]
Acceleration a=3m/s^2
time t= 4.1seconds
Final velocity V= 55km/h
initial velocity U= ?
First convert V to m/s
36km/h=10m/s
55km/h= 55*10/36=15.28m/s
Using the formula V= U+at
U= V-at
U= 15.28-3*4.1=15.28-12.3=2.98m/s
Initial velocity U= 2.98m/s or 10.73km/h (Using the conversion rate 36km/h=10m/s)
8 0
3 years ago
How is carbonic acid responsible for the formation of some caves? ASAP PLEASE!!!!
butalik [34]
It desolves calcium carbonate causing plates to bend and faults to occur. Faults and plates moving cases the formation of caves.

-Hopes this helps :)
4 0
3 years ago
PLEASE HELP ME ON THIS ONE ANYONE
andreev551 [17]

Answer:

A & B

Explanation:

A & B Would be the right answer since Morse code cannot be represented through the height of the fire.

6 0
2 years ago
Other questions:
  • A girl throws a tennis ball upward with an initial velocity of 4 m/s. What is the maximum displacement of the ball?
    11·1 answer
  • Which of the following electrons emits the most energy?
    6·1 answer
  • Which nutrient is the first (easiest) to be broken down and absorbed for energy use in the body? Water Carbohydrates Fats Protei
    8·1 answer
  • A particle of mas 0.1 kg moves along the trajectory x(t)-3t t where x is in meters and t is in seconds. What is the kinetic ener
    8·1 answer
  • Why is styrofoam not a mineral?
    5·2 answers
  • a water wav e has frequency of 2hz and there are 3 meters between each crest on the wave. how fast is the wave moving
    12·1 answer
  • Which of the following best describes pseudoscience?
    7·2 answers
  • Use the graph to answer the question.
    11·2 answers
  • 100 g of water are cooled and the enthalpy change is -12,540 J. What is the change in temperature of the water?
    8·1 answer
  • What is the latent heat of vaporization for water
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!