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
allsm [11]
2 years ago
7

A gas cylinder contains exactly 1 mole of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 4. 01 × 1022 molecu

les 6. 02 × 1023 molecules 9. 03 × 1024 molecules 2. 89 × 1026 molecules.
Chemistry
1 answer:
Over [174]2 years ago
5 0

The number of molecules on 1 mole of oxygen has been 6.023\;\times\;10^2^3 molecules. Thus, option B is correct.

The molecule has been the smallest unit of the compound. It has been the repeating unit to form the compound.

The molecule has been formed with the combination of the elements in the fixed proportion.

<h3>Number of molecules in a mole</h3>

The number of molecules in a mole of sample has been given by Avogadro's law. According to this, the number of molecules in a mole of sample has been equivalent to the Avogadro number.

The value of Avogadro number has been 6.023\;\times\;10^2^3.

Thus, the one mole of sample has been consisted of 6.023\;\times\;10^2^3 molecules.

The number of molecules on 1 mole of oxygen has been 6.023\;\times\;10^2^3 molecules. Thus, option B is correct.

Learn more about molecules, here:

brainly.com/question/19556990

You might be interested in
The pH of a 0.150 molar solution of a weak acid is 4.10. What is the pKa of the acid?
Kamila [148]
Answer: 4.21×10⁻⁸

Explanation:


1) Assume a general equation for the ionization of the weak acid:

Let HA be the weak acid, then the ionization equation is:

HA ⇄ H⁺ + A⁻

2) Then, the expression for the ionization constant is:

Ka = [H⁺][A⁻] / [HA]

There, [H⁺] = [A⁻], and [HA] = 0.150 M (data given)


3) So, you need to determine [H⁺] which you do from the pH.

By definition, pH = - log [H⁺]

And from the data given pH = 4.1


⇒ 4.10 = - log [H⁺] ⇒ [H⁺] = antilog (- 4.10) = 7.94×10⁻⁵

4) Now you have all the values to calculate the expression for Ka:

ka = 7.94×10⁻⁵ × 7.94×10⁻⁵ / 0.150 = 4.21×10⁻⁸
3 0
3 years ago
Read 2 more answers
Are atoms the smallest particles we know about, or are there smaller ones?
Schach [20]

Answer:

That we know about yes, but physicians still say there are more things out there. (we do not know about these yet tho)

Explanation:

7 0
3 years ago
Some male coworkers of Suzanne are bullying her because she is a woman which type of work hazard is this
Mandarinka [93]
Answer: D
Psychological Hazard
4 0
2 years ago
In the past earths sea level has sometimes been lower at that time which of the following would have been a major difference in
valina [46]
The answer which would have been a major difference in the ocean basins is the following one:
<span>B. Mid-ocean ridges would have been chains of mountains.

Given that the waters were lower in the past, those ridges would no longer be just mid-ocean ridges, but complete mountains due to the low levels of water around them.</span>
8 0
2 years ago
Read 2 more answers
Question 2 of 5<br> What do you know about a substance it you know its temperature?
notka56 [123]
One may know how close the molecules within the substances are packed together. Hot substances have molecules that are farther apart, cold substances have molecules that are more compact/closer together.
5 0
3 years ago
Read 2 more answers
Other questions:
  • How many protons, neutrons, and electrons are contained in uranium-238?
    15·1 answer
  • Charles's law is an experimental gas law that shows the relationship between the temperature of a gas and its corresponding volu
    10·1 answer
  • Based on your solubility rules which of the following compounds would form a precipitate water?
    15·1 answer
  • Consider the following reaction: 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H2O(g) Which set of solution maps would be needed to calculate
    12·1 answer
  • As an organism begins to learn more and more about its environment, it will begin to construct a complex mental representation o
    5·2 answers
  • Consider the reaction: 2NO(g) + 2H2(g) → N2(g) + 2H2O(g) A suggested mechanism for this reaction follows: (1) NO(g) + NO(g) → N2
    15·1 answer
  • The process___helps us to calculate specific heat of unknown samples/metals OR helps us calculate changes due to energy transfer
    15·1 answer
  • Give three examples of convection. PLEASE I AM BEING TIMED!!!
    8·1 answer
  • If you throw a basketball to a friend while you are sitting or standing on a skateboard, what will happen to you when you throw
    7·2 answers
  • How many times are you testing your prototype? Question 3 options: <br> 10 3 0
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!