For the production of ammonia...#N_2(g)+3H_2(g) rightleftharpoons2NH_3(g)#..what is true at equilibrium...?

#"(1) The concentration of ammonia is "2.0*mol*L^-1#
#"(2) The concentration of dinitrogen is constant."#
#"(3) The concentration of ammonia is variable."#
#"(4) The concentration of ammonia cannot be determined."#

Answer 1

#(2)" the concentration of dinitrogen is constant"#

#N_2(g) + 3H_2 rightleftharpoons 2NH_3#

Chemical equilibria are a type of kinetic phenomena where the rate of the forward reaction is clearly stated to be equal to the rate of the backward reaction.

AS chemists, we can formalize this statement symbolically, #k_f# #=# #"forward rate constant"#; #k_r# #=# #"reverse rate constant"#, and thus:
#k_f[N_2][H_2]^3 = k_r[NH_3]^2# and,
#k_f/k_r=([NH_3][NH_3])/([N_2][H_2]^3)#, i.e.
#k_f/k_r=[NH_3]^2/([N_2][H_2]^3)#
The quotient #k_f/k_r# is more commonly referrred to as the equilibrium constant, #K_(eq)#, of the reaction. The concentration of products and reactants will alter UNTIL #K_(eq)# is satisfied and macroscopic change is no longer observed (of course, at the micro level change still occurs, but #K_(eq)# is satisfied.)

By the way, dinitrogen reduction is incredibly hard to accomplish and without it, we wouldn't have nitrogenous fertilizer; this equation represents arguably one of the most significant reactions on the planet.

It's also important to understand this result, by the way. Feel free to voice any questions or objections here, and someone will assist you.

Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer 2

At equilibrium:

  1. The rate of the forward reaction equals the rate of the reverse reaction.
  2. The concentrations of N2, H2, and NH3 remain constant.
  3. The ratio of [NH3]^2 / ([N2] * [H2]^3) is equal to the equilibrium constant (Kc).
  4. Changes in pressure, temperature, or concentration may disturb equilibrium, but the system will adjust to re-establish equilibrium.
Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer 3

At equilibrium:

  • The rate of the forward reaction (formation of NH3) is equal to the rate of the reverse reaction (breakdown of NH3).
  • The concentrations of N2, H2, and NH3 remain constant over time.
  • The equilibrium constant expression for the reaction can be written as [NH3]^2 / ([N2][H2]) = Kc, where Kc is the equilibrium constant.
  • Changes in pressure or temperature can shift the position of the equilibrium, but the value of the equilibrium constant remains constant at a given temperature.
  • The equilibrium position can favor the formation of ammonia (NH3) or the reactants (N2 and H2) depending on the conditions such as pressure and temperature.
Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

Not the question you need?

Drag image here or click to upload

Or press Ctrl + V to paste
Answer Background
HIX Tutor
Solve ANY homework problem with a smart AI
  • 98% accuracy study help
  • Covers math, physics, chemistry, biology, and more
  • Step-by-step, in-depth guides
  • Readily available 24/7