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
Lana71 [14]
3 years ago
15

G. whose vapour

Chemistry
1 answer:
german3 years ago
8 0

Answer:

8.33 hours

Explanation:

In order to solve this problem, we must apply Graham's law of diffusion in gases. Graham's law states that the rate of diffusion of a gas is inversely proportional to the square root of its vapour density. For two gases we can write;

R1/R2=√d2/d1

Where;

R1= rate of diffusion of hydrogen

R2= rate diffusion of unknown gas

d1= vapour density of hydrogen

d2= vapour density of the unknown gas

Volume of hydrogen gas = 360cm^3

Time taken for hydrogen gas to diffuse= 1 hour =3600 secs

R1 = 360 cm^3/3600 secs = 0.1 cm^3 s-1

Vapour density of unknown gas = 25

Vapour density of hydrogen = 1

Substituting values,

0.1/R2 = √25/1

0.1/R2 = 5/1

5R2 = 0.1 × 1

R2 = 0.1/5

R2= 0.02 cm^3s-1

Volume of unknown gas = 600cm^3

Time taken for unknown gas to diffuse= volume of unknown gas/ rate of diffusion of unknown gas

Time taken for unknown gas to diffuse= 600/0.02

Time= 30,000 seconds or 8.33 hours

You might be interested in
A 1.2 L weather balloon on the ground has a temperature of 25°C and is at atmospheric pressure (1.0 atm). When it rises to an el
icang [17]

Answer:

The temperature of the air at this given elevation will be 53.32425°C

Explanation:

We can calculate the final temperature through the combined gas law. Therefore we will need to know 1 ) The initial volume, 2 ) The initial temperature, 3 ) Initial Pressure, 4 ) Final Volume, 5 ) Final Pressure.

Initial Volume = 1.2 L ; Initial Temperature = 25°C = 298.15 K ; Initial pressure = 1.0 atm  ; Final Volume = 1.8 L ; Final pressure = 0.73 atm  

We have all the information we need. Now let us substitute into the following formula, and solve for the final temperature ( T_2 ),

P_1V_1 / T_1 = P_2V_2 / T_2,

T_2 = P_2V_2T_1 / P_1V_1,

T_2 = 0.73 atm * 1.8 L * 298.15 K / 1 atm * 1.2 L = ( 0.73 * 1.8 * 298.15 / 1 * 1.2 ) K = 326.47425 K,

T_2 = 326.47425 K = 53.32425 C

7 0
3 years ago
Question 3
hammer [34]

Answer:

in the excited state

Explanation:

Because in excited state an atom has more energy

5 0
2 years ago
Read 2 more answers
How do catalysts increase the rate of a chemical reaction?
bogdanovich [222]
A, They Lower The Activation Energy.
7 0
3 years ago
Read 2 more answers
Wassup everyone?????
ioda

Answer:

I'm good

Explanation:

What about you?

4 0
3 years ago
What changes if the degree (amount) of intermolecular bonds of a substance are changed?
elixir [45]
<h2>Answer:</h2>

The correct answers are;

volume of a substance

density of a substance

  • The volume and the density of the substance depend on inter molecular forces of the substance. So, when we will change the degree of inter molecular forces, whether decrease it or increase it, it will affect the volume and density of a substance.
7 0
3 years ago
Read 2 more answers
Other questions:
  • if you take a dried out white rose and place the stem in food coloring, will the rose turn the color you put the stem in
    6·1 answer
  • The following neutral atoms each have 8 places for electrons in their outermost shells.
    15·2 answers
  • How to remember the first 20 elements of the periodic table?
    11·2 answers
  • True or false atoms of a given element will have the same mass
    9·1 answer
  • What is the energy of a photon of green light whose frequency is 6.85 X 1014/seC?
    8·1 answer
  • What will be the pH of 1.0 mol dm-3 of NH4OH, which is 1% dissociated
    9·1 answer
  • How will you solve this?
    13·1 answer
  • The technology in the picture produces which energy conversion?
    13·1 answer
  • PLEASE I WILL GIVE BRAINLISET PLS HELPPPP
    13·1 answer
  • Technologies that could help reduce the damage from a tsunami
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!