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
kvasek [131]
3 years ago
13

If an equal number of moles of reactants are used, do the following equilibrium mixtures contain primarily reactants or products

? Please note this question has 1 submission for each part. (a) HCN(aq) + H2O(l) equilibrium reaction arrow CN −(aq) + H3O+(aq) K = 6.2 10-10 products reactants (b) H2(g) + Cl2(g) equilibrium reaction arrow 2 HCl(g) K = 2.51 104 reactants products
Chemistry
1 answer:
puteri [66]3 years ago
4 0

<u>Answer:</u>

<u>For a:</u> The equilibrium mixture contains primarily reactants.

<u>For b:</u> The equilibrium mixture contains primarily products.

<u>Explanation:</u>

There are 3 conditions:

  • When K_{eq}>1; the reaction is product favored.
  • When K_{eq}; the reaction is reactant favored.
  • When K_{e}=1; the reaction is in equilibrium.

For the given chemical reactions:

  • <u>For a:</u>

The chemical equation follows:

HCN(aq.)+H_2O(l)\rightleftharpoons CN^-(aq.)+H_3O^+(aq.);K_{eq}=6.2\times 10^{-10}

The expression of K_{eq} for above reaction follows:

K_{eq}=\frac{[CN^-][H_3O^+]}{[HCN][H_2O]}=6.2\times 10^{-10}

As, K_{eq}, the reaction will be favored on the reactant side.

Hence, the equilibrium mixture contains primarily reactants.

  • <u>For b:</u>

The chemical equation follows:

H_2(g)+Cl_2(g)\rightleftharpoons 2HCl(g);K_{eq}=2.51\times 10^{4}

The expression of K_{eq} for above reaction follows:

K_{eq}=\frac{[HCl]^2}{[H_2][Cl_2]}=2.51\times 10^{4}

As, K_{eq}>1, the reaction will be favored on the product side.

Hence, the equilibrium mixture contains primarily products.

You might be interested in
What happens when molecules diffuse across the cell membrane?
mafiozo [28]

Answer:

The correct answer is from areas of high concentration to low concentration.

Explanation:

A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.

Hope this Helps!

7 0
2 years ago
Read 2 more answers
A bond exists between A and B in the compound AB. A and B are sharing electrons. The type of bond is
Jlenok [28]

Answer: Covalent Bond.

6 0
3 years ago
Why would the presence of oxygen bubbles be a good indicator of photosynthesis occurring?
irina1246 [14]

kdjsbjsof in bwjfiejwnjfifihdhwhbsd

6 0
3 years ago
Bromine has two isotopes, Br79 and Br81. The isotopes occur in a 50:50 (1:1) ratio. Given that the mass spectrum of bromine cont
AlekseyPX

Answer:

There will be 3 peaks.

Relative height of the atomic peaks would be; 158, 160 and 162

Explanation:

We are told that Bromine has two isotopes namely 79Br and 81Br in a 1 : 1 ratio (50 : 50).

This means that a compound which contains 1 bromine atom will have two peaks in the molecular ion region but it depends on which bromine isotope is contained in the molecular ion.

Thus;

Relative height of atomic peaks is given by;

m/z = 79Br¯ 79Br+ = 158

79Br¯ 81Br+ = 160

81Br¯ 81Br+ = 162

7 0
3 years ago
What will happen to the chemical equilibrium if MgCl2 is added?
vaieri [72.5K]
I think the answer is c.
7 0
2 years ago
Read 2 more answers
Other questions:
  • if the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams what is the precent yield
    13·1 answer
  • A group of dissimilar elements with a net charge remaining is called a _____. formulacompoundpolyatomicion reaction
    5·1 answer
  • Find the ph of a 0.250 m solution of nac2h3o2. (the ka value of hc2h3o2 is 1.80×10−5). express your answer numerically to four s
    6·1 answer
  • In what way is the planet Uranus unique
    14·1 answer
  • Which coefficients are required to correctly balance this equation? C2H2+O2 CO2+H2O
    9·1 answer
  • Which of the following best describes a single-replacement reaction?
    8·2 answers
  • If a bowing ball hits a wall with a force of 6 N, the wall exerts a force of ____ back on the bowing ball
    6·1 answer
  • How do plate tectonics affect mountains?
    7·2 answers
  • Relate the following structures to your body organs_ walls: _houses_: bricks_:_ a room_: rooms​
    5·1 answer
  • How many electrons are typically involved in bonding for group 1, group 2 and group 3 elements?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!