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
Phantasy [73]
3 years ago
7

What is the difference between chemical change and a physical change?

Physics
1 answer:
NeX [460]3 years ago
3 0

Answer:

Explanation:

There are several differences between a physical and chemical change in matter or 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
What does the area under a speed-time graph represent​
Tom [10]

Answer: It represents the whole distance traveled. Hope this helps!

Explanation:

4 0
3 years ago
Please Help!!!<br><br> For A&amp;B
klio [65]

Answer:

A. 40N

B. 5m/s

Explanation:

A.

Impulse is equal to the area under the curve of a force vs. time graph. In this case, the area is in the shape of a triangle with base 8 (12-4=8) and perpendicular height 10:

<em>Area of a triangle = (1/2)bh</em>

A=(1/2)*8*10

=40

ANSWER: 40N

B.

<em>Impulse = mass * velocity</em>

40 = 8v

v = 5

ANSWER: 5m/s

5 0
3 years ago
Could the earth have decreased when the astroid hit
Anarel [89]

If an asteroid were to strike land or a shallow body of water, it would eject an enormous amount of dust, ash, and other material into the atmosphere, blocking the radiation from the Sun. This would cause the global temperature to decrease drastically..

7 0
3 years ago
Leo places a plant in front of the center of curvature of a concave mirror. Which characteristics will the image of the plant ha
Ket [755]
1,3,5 that is the answer
3 0
3 years ago
Read 2 more answers
Alex often draws his dream house​
maria [59]

Answer:

hopefully alex quackity hahhaa

Explanation:

i hope this was free points and not an actual thing

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is a sloping surface, like a ramp, that reduces the amount of force required to do work.
    5·1 answer
  • Electric eels generate electric pulses along their skin that can stun an enemy. In a test, an electric eel generated pulse of 50
    13·1 answer
  • Using the rules for significant figures, what do you get when you subtract 15.54 from 508.9538? A. 493 B. 493.4 C. 493.41 D. 493
    9·2 answers
  • ** URGENT** The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If th
    15·1 answer
  • A lumberjack (mass = 103 kg) is standing at rest on one end of a floating log (mass = 277 kg) that is also at rest. The lumberja
    15·1 answer
  • Calculate the energy of a photon of electromagnetic radiation whose frequency is 2.94 x 10 to the 14th xbox one
    6·1 answer
  • Which of the following is a conductor for electricity?
    13·2 answers
  • As a red of recent weather activity, there’s less water available for human consumption. Which blome is affected by the most by
    14·1 answer
  • In which type of circuit does charge move in only one direction?
    11·1 answer
  • Based on the tug of war pictured below, what is the net force? –190 n 10 n –10 n 190 n
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!