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
podryga [215]
3 years ago
6

A velocidade do som no mesmo material: *

Chemistry
1 answer:
Irina18 [472]3 years ago
4 0

Answer:

a) é maior, quando a temperatura diminui.

You might be interested in
How many weeks are equal to 2.94x10^6 minutes?
MAXImum [283]

Answer:

2.94 * (10^6) minutes = 291.666667 weeks

Explanation:

8 0
3 years ago
Which statement best describes the movement of atoms in a solid? They are able to slide past each other. They spread apart as fa
ANTONII [103]
The answer is: They have no freedom to move.
However is not completely true, as even in a solid atoms still a move a bit (vibrations).

If atoms were able to slide past each other, then we would have a liquid not a solid. Liquids "flow" but never really "break apart" this is because atoms are sliding between them, think of these as a bucket of marbles rolling down a slope.

If they are free to move in all directions, then you have a gas; that's why someone uses perfume in a room, eventually everyone smells it.
4 0
4 years ago
Read 2 more answers
Evidence shows that interstellar bodies are moving far away from earth some faster than others which best suggest that the unive
igor_vitrenko [27]
The answer is B

Hope my answer was of assistance

~ Fire
7 0
3 years ago
Read 2 more answers
Classify the following reaction *
hichkok12 [17]

Answer:

double replacement

Explanation:

The reaction equation is given as:

       Pb(NO₃)₂  +  2KI   →   PbI₂ +   KNO₃

This reaction is a double displacement reaction.

In this form of reaction, there is an actual exchange of partners to form new compounds.

      AB + CD →  AD + CD

One of the following condition serves as driving force for the reaction:

  • formation of an insoluble compound
  • formation of water or any other non-ionizing compound
  • liberation of a gaseous product.
5 0
3 years ago
If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at a constant temperature. What is the new volume​
wel

Answer :

=748

⋅22.5

725

=23.2L

3 0
4 years ago
Other questions:
  • After collecting samples of igneous rocks, a student wishes to classify them as either intrusive or extrusive. Which characteris
    10·2 answers
  • PLEASES HELP ASAP
    5·2 answers
  • Suppose a carbon-14 nuclide decays into a nitrogen-14 nuclide by emitting an electron. complete the nuclear chemical equation be
    13·1 answer
  • Tertiary alkyl halides show SN1 reactions mostly...... Why?
    15·1 answer
  • Jamal’s teacher has asked the class to use this picture to explain how potential energy transforms to kinetic energy when an obj
    10·1 answer
  • *WILL GIVE A BRAINIEST & 15 POINTS TO THE CORRECT ANSWER*
    8·1 answer
  • Formula of Potash Alum​
    9·1 answer
  • Why is it important for the mass to be measured before measuring the volume​
    9·2 answers
  • Which is warmer -30C or -30 F?​
    13·2 answers
  • Describe an electron cloud. Then, name and explain a particular atomic model that used the concept of the electron cloud. (8 poi
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!