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
barxatty [35]
3 years ago
12

Which is a postulate of the kinetic-molecular theory?

Chemistry
2 answers:
marshall27 [118]3 years ago
8 0

Answer:

Gas particles have a small volume relative to the spaces between them.

Explanation:

Sever21 [200]3 years ago
5 0
  • A gas is composed of a large number of particles called molecules (whether monatomic or polyatomic) that are in constant random motion.
  • Because the distance between gas molecules is much greater than the size of the molecules, the volume of the molecules is negligible.
  • Intermolecular interactions, whether repulsive or attractive, are so weak that they are also negligible.
  • Gas molecules collide with one another and with the walls of the container, but these collisions are perfectly elastic; that is, they do not change the average kinetic energy of the molecules.
  • The average kinetic energy of the molecules of any gas depends on only the temperature, and at a given temperature, all gaseous molecules have exactly the same average kinetic energy.
You might be interested in
A student sets up the following equation to convert a measurement. The (?) Stands for a number the student is going to calculate
Vika [28.1K]

Answer:

\text{0.30 cm}^{3} \times \left (\dfrac{10^{-2}\text{ m}}{\text{1 cm}}\right )^{3} = 3.0 \times 10^{-7} \text{ m}^{3}  

Explanation:

0.030 cm³ × ? = x m³

You want to convert cubic centimetres to cubic metres, so you multiply the cubic centimetres by a conversion factor.

For example, you know that centi means "× 10⁻²", so  

1 cm = 10⁻² m

If we divide each side by 1 cm, we get 1 = (10⁻² m/1 cm).

If we divide each side by 10⁻² m, we get (1 cm/10⁻² m) = 1.

So, we can use either (10⁻² m/1 cm) or (1 cm/10⁻² m) as a conversion factor, because each fraction equals one.

We choose the former because it has the desired units on top.

The "cm" is cubed, so we must cube the conversion factor.

The calculation becomes

\text{0.30 cm}^{3} \times \left (\dfrac{10^{-2}\text{ m}}{\text{1 cm}}\right )^{3} = 0.30 \times 10^{-6}\text{ m}^{3} = \mathbf{3.0 \times 10^{-7}} \textbf{ m}^{\mathbf{3}}\\\\\textbf{0.30 cm}^{\mathbf{3}} \times \left (\dfrac{\mathbf{10^{-2}}\textbf{ m}}{\textbf{1 cm}}\right )^{\mathbf{3}} = \mathbf{3.0 \times 10^{-7}} \textbf{ m}^{\mathbf{3}}

7 0
3 years ago
A sugar cube was placed into a beaker containing 100 mL of water at room temperature and completely dissolved into the water. Th
Bad White [126]

Answer:

Boil the water until it evaporates

Explanation:

If the water evaporates the sugar will no longer bond to it and then percipitate at the bottom of the beaker.

3 0
3 years ago
How can the rate of a reaction be increased?
Nana76 [90]
I think it may be A.
But I'm not sure






4 0
3 years ago
Read 2 more answers
If you burn 53.8 g of hydrogen and produce 481 g of water, how much oxygen reacted?
olga2289 [7]
The reaction:
2 H 2 + O 2 → 2 H 2 O
2 Hydrogen molecules react with 1 Oxygen molecule to create 2 molecules of water. 
We have to convert 53.8 g of Hydrogen into moles:
53.8 : 2.02 g / moles = 26.63 moles
2 moles H 2 ↔ 1 mole O 2
26.63 moles H 2  ↔ 13.32 moles O 2
Mass ( O 2 ) = 13.32 moles · 32 g/moles = 426.2 g
Answer: 426.2 grams of Oxygen.

4 0
3 years ago
A nurse measures the volume of a drop of medicine. The volume of 1 drop of medicine is 1.66mL. What is the volume in deciliters
marta [7]

Answer:

16.6dL

Explanation:

First, we need to convert 1.66mL dL this can be achieved by doing the following:

1mL = 0.01dL

1.66mL = 1.66 x 0.01 = 0.0166dL

From the question, we were told that the volume 1 drop of blood = 1.66mL i.e 0.0166dL.

Therefore 1000 drops of blood will be = 0.0166 x 1000 = 16.6dL

8 0
3 years ago
Other questions:
  • Explain why ethics and skepticism are integral to science.
    8·1 answer
  • Metamorphic rocks that melt in a holt fluid can recystallize into a different form of rock
    8·1 answer
  • Argon, which comprises almost 1 percent of the atmosphere, is approximately 27 times more abundant than CO2, but does not contri
    11·1 answer
  • Which one has a greatest mass, one atom of carbon, one atom of hydrogen, or one atom of litium
    12·1 answer
  • I need help identifying the type of reactions. Can anyone help?
    9·2 answers
  • What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 1.0 mole of V2O5 with 4.0 mole of c
    12·1 answer
  • The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum m
    7·2 answers
  • Write any four properties of water.​
    14·1 answer
  • Explain why the electron configuration of 2-3-1 represents an atom in an excited state.
    14·1 answer
  • BRAINLIEST PLEASE HELP!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!