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Musya8 [376]
3 years ago
6

Absolute zero is?

Chemistry
1 answer:
vladimir1956 [14]3 years ago
3 0
B. the lowest possible temp of a gas
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Ray Of Light [21]
23.934 Hours Is how long it tales.
8 0
3 years ago
The image is a model of sulfuric acid that has a chemical formula of H2SO4. In 1-2 sentences, explain why creating models, like
zepelin [54]

Models of atoms and compounds help in understanding of concepts of reactions in chemistry.

<h3>What are models?</h3>

Models are objects used to provide a visual representation of certain things or structures.

Models are widely employed in chemistry because of their usefulness in strengthening understanding of concepts.

The importance of models in chemistry include:

  • they help students to be able to visualize the structures of atoms and compounds in a macroscopic scale
  • they provide an a clearer understand of how atoms combine to form products in reactions.

Therefore, models help in understanding of concepts of reactions in chemistry.

Learn more about chemistry models at: brainly.com/question/4769748

4 0
3 years ago
Which of the following does ((NOT)) Describe a single-displacement reaction?
Tpy6a [65]

Answer:

The correct answer is option C.

Explanation:

Single replacement reaction : It is a type of chemical reaction in which element exchange their position with the position of another element in its compound molecule.

AB+C\rightarrow CB+A

It is also called redox reaction because one element getting oxidized and another one getting reduced.

Hence, the correct answer is option C.

4 0
3 years ago
A sample of O2(g) is placed in an otherwise empty, rigid container at 4224 K at an initial pressure of 4.97 atm, where it decomp
frutty [35]

Answer:

The value of K_p at 4224 K is 314.23.

Explanation:

O_2(g)\rightleftharpoons 2O(g)

Initially

4.97 atm            0

At equilibrium

4.97 - p               2p

At initial stage, the partial pressure of oxygen gas = =4.97 atm

At equilibrium, the partial pressure of oxygen gas = p_{O_2}=0.28 atm

So, 4.97 - p = 0.28 atm

p = 4.69 atm

At equilibrium, the partial pressure of O gas = p_{O}=2p=2\times 4.69 atm=9.38 atm

The expression of K_p is given as :

K_p=\frac{(p_{O})^2}{(p_{O_2})}

K_p=\frac{(9.38 atm)^2}{0.28 atm}=314.23

The value of K_p at 4224 K is 314.23.

5 0
3 years ago
The density of a metal cube is 8 x103 kg/m3. Convert
Rom4ik [11]

Answer:

Explanation:

[peirod4

4 0
4 years ago
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