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
lilavasa [31]
3 years ago
12

If an unknown quantity of gas is held at a temperature of 789 K in a container with a volume of

Chemistry
1 answer:
Orlov [11]3 years ago
8 0

Answer:

n = 0.34 mol

Explanation:

Given data:

Given temperature = 789 K

Pressure = 765 torr ( 765/760 = 1.0 atm

Volume of container = 22.0 L

Number of moles of gas = ?

Solution:

Formula:

PV = nRT

n = PV/RT

n = 1.0 atm × 22.0 L / 0.0821 atm.L/mol.K ×789 K

n = 22.0 L.atm /64.8 atm.L/mol

n = 0.34 mol

You might be interested in
You are on vacation with your family up in the mountains. Your friend is on vacation near the equator by the ocean. Explain whic
Kay [80]

Answer:

it would be colder on the mountains becouse there is less air up there and it would be a lot more humid down by the ocean

Explanation:

3 0
2 years ago
The mechanisms of most common reactions consist of two or more elementary steps, each of which describes a single molecular even
olga2289 [7]

Answer:

The correct answer is "True".

Explanation:

A reaction mechanism is a theoretical postulate that tries to explain in a logical way which are the elemental and intermediary reactions that happen in a chemical reaction and that allow to explain the qualitative and quantitative characteristics observed in its development, in which a unique molecular event is described in each elemental step.

Have a nice day!

3 0
3 years ago
Which group (give the number) is characterized by 5 valence electrons in the configuration<br> s²p3?
Ivahew [28]
<h3>Answer:</h3>

Group 5A

<h3>Explanation:</h3>
  • Elements in the periodic table are arranged into columns known as groups and rows known as periods.
  • Elements in the same group share similar chemical properties.
  • For example, elements in group 5A have five valence electrons with the most high energy level with a configuration of s²p³.
  • Elements in group 5A include nitrogen and phosphorus among others.
5 0
3 years ago
In the reaction 2Al2O3 → 4Al + 3O2, what is the mole ratio of aluminum to oxygen?
defon
2Al₂O₃ → 4Al + 3O₂

the mole ratio is 4:3
for every 4 Al, there must be 3 O₂ in order to make 2Al₂O₃

hope this helped at all
3 0
2 years ago
Read 2 more answers
What is one important discovery that the curies made
tatiyna
The Curies discovered radium
6 0
3 years ago
Other questions:
  • A 700.0 mL gas sample at STP is compressed to a volume of 200.0 mL, and the temperature is increased to 30.0°C. What is the new
    5·1 answer
  • the term diffusion comes from a latin word meaning to spread apart. how is the term diffusion related to its latin word of origi
    14·2 answers
  • True or false guys! Please help!
    10·2 answers
  • this is the term used to describe magma that has left earth's interior usually through the force of a volcano
    14·2 answers
  • I did this on accident lol
    9·2 answers
  • If dietary iodine levels are deficient you would expect that plasma tsh levels would be ________ and that plasma thyroxine level
    11·1 answer
  • Produced by the stomach to destroy bacteria
    9·1 answer
  • A weather balloon has a volume of 1750 L at 103 kPa. The balloon is then released to the atmosphere. What is the pressure if at
    15·1 answer
  • Which of the following is an example of pseudo science? (choose one, not two)
    13·2 answers
  • Emission Spectrum Questions for Quiz Print - Quizizz
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!