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
Sonbull [250]
3 years ago
15

a) One kmol of N2O4 dissociates at 25℃, 1 atm to form an equilibrium ideal gas mixture of N2O4 and NO2 in which the amount of N2

O4 present is 0.8154 kmol. Determine the amount of N2O4 that would be present in an equilibrium mixture at 25℃, 0.5 atm.
Chemistry
1 answer:
horsena [70]3 years ago
3 0

Answer:

neq N2O4 = 0.9795 mol.....P = 0.5 atm; T = 25°C

Explanation:

             ni      change    eq.

N2O4    1          1 - x       0.8154.....P = 1 atm; T = 25°C

NO2      0        0 + x          x

∴ x = neq = Peq.V / R.T.....ideal gas mix

if P = 0.5 atm, T = 25°C; assuming: V = 1 L

⇒ x = neq = ((0.5 atm)(1 L))/((0.082 atm.L/K.mol)(298 K))

⇒ x = neq = 0.0205 mol

⇒ neq N2O4 = 1 - x = 1 - 0.0205 = 0.9795 mol

You might be interested in
How was potassium discovered?​
BaLLatris [955]

Answer:

Potassium was the first metal to be isolated by electrolysis. It was discovered by the  English chemist Sir Humphry Davy by decomposing molten potassium hydroxide (KOH) with a voltaic battery.

Explanation:

6 0
2 years ago
Read 2 more answers
How do chemists solve problems?
Westkost [7]

Answer:Chemistry problems can be solved using a variety of techniques.

Explanation:  Many chemistry teachers and most introductory chemistry texts illustrate problem solutions using the factor-label method. ... The use of analogies and schematic diagrams results in higher achievement on problems involving moles, stoichiometry, and molarity. Hope this helped!

4 0
3 years ago
What can be absorbed or produced as the result of a chemical reaction???
tia_tia [17]
Heat can be absorbed or produced
6 0
3 years ago
A cylinder with a moving piston expands from an initial volume of 0.250 L against an external pressure of 2.00 atm. The expansio
kondor19780726 [428]

Answer:

The final volume of the cylinder is 1.67 L

Explanation:

Step 1: Data given

Initial volume = 0.250 L

external pressure = 2.00 atm

Expansion does 288 J of work on the surroundings

Step 2: Definition of reversible work:

Wrev = -P(V2-V1) = -288 J

The gas did work, so V2>V1  (volume expands) and the work has a negative sign.(Wrev<0)

V2 = (-Wrev/P)  + V1

⇒ with Wrev = reverse work (in J)

⇒ with P = the external pressure (in atm)

⇒ with V1 = the initial volume

We can see that your pressure is in  atm  and energy in J

To convert from J to L * atm we should use a convenient conversion unit using the universal gas constants :

R = 8.314472 J/mol *K and R= 0.08206 L*atm/K*mol

V2 =- (-288 J * (0.08206 L*atm/K*mol  /8.314 J/mol *K))/2.00 atm  + 0.250L

V2 = 1.67 L

The final volume of the cylinder is 1.67 L

8 0
3 years ago
Who ever gets right gets brainliest
grandymaker [24]

Answer:

it's subduction

Explanation:

i know this because I just do lol

4 0
3 years ago
Other questions:
  • Complete each sentence using the drop-down menus.
    12·2 answers
  • How does a purebred individual differ from a hybrid individual?
    13·1 answer
  • The molecule h2so4is ionized to h+ ions and so4- ions in water. would you predict this to result in a solution that is acidic or
    14·1 answer
  • What are steps to solving stoichiomerty problems?
    9·1 answer
  • Which statement best describes the process of making a solution by diluting a stock solution
    11·1 answer
  • Draw the lewis structure for the polyatomic trisulfide s−23 anion. be sure to include all resonance structures that satisfy the
    9·1 answer
  • Write the basic different between exothermic and endothermic reaction and some examples?​
    10·1 answer
  • every spring has an equilibrium position which statement describe a spring at it equilibruim position?
    12·1 answer
  • Astronauts must be protected from extreme heat while
    12·2 answers
  • 1. Do you think water molecules speed up or slow down<br> when they are heated? *
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!