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
dsp73
3 years ago
11

In a physical change, the _____ does not change.

Chemistry
1 answer:
Ksivusya [100]3 years ago
7 0

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

You might be interested in
Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final
wel

Answer:

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. :D

4 0
2 years ago
Can you help me with my Chemistry homework please? Can you answer the blank ones? And number 20 please.
Anarel [89]

i just cant understand the question

please take a clear pic

7 0
3 years ago
What evidence do you need to determine that two rocks have some similar minerals because the minerals from the original rock was
klio [65]

Answer:

It comes from same parent material.

Explanation:

The two rocks have some similar minerals which indicates that they are comes from the same parent material but with the passage of time it is mixed with other minerals due to which they are some different in composition from one another so we can conclude that they comes from the same parent material due to the presence of some similar minerals.

5 0
3 years ago
I exercise
KatRina [158]

Explanation:

sorry po king Hindi kopo ma sagot

7 0
2 years ago
A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds?
Norma-Jean [14]
The distance covered will be:

d = v_0\cdot t + \frac{1}{2}a\cdot t^2 = 20\frac{m}{s}\cdot 5\ s + \frac{5}{2}\frac{m}{s^2}\cdot 5^2\ s^2 = \bf 162,5\ m

The correct answer is D).
8 0
3 years ago
Read 2 more answers
Other questions:
  • Student mixes 5 g of sand into a beaker of 20 g of water. Is this a physical or chemical change-why?
    15·1 answer
  • What is Chronatography
    9·2 answers
  • Why do Metals have high melting point and boiling points
    12·1 answer
  • Can someone please help me?!??!
    10·1 answer
  • 14.A 4.25 gram sample of an unknown gas is found to occupy a volume of 1.70 L at a pressure of 883 mm Hg and a temperature of 58
    15·1 answer
  • When you remove energy from air or land it makes the temperature
    12·1 answer
  • How many continents out of the 7 are completely surrounded by water?
    9·2 answers
  • A system in which heat moves through the system
    8·1 answer
  • Which of the following salts will be less soluble in 0.10 M NaCl than it is in pure water?
    10·1 answer
  • 3. Hypothesize Earth systems interact with
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!