The reversible chemical reaction A+B⇌C+DA+B⇌C+D has the following equilibrium constant: Kc=[C][D][A][B]=3.0 1. Initially, only A and B are present, each at 2.00 M. What is the final concentration of A once equilibrium is reached? Express your answer to two significant figures and include the appropriate units. 2. What is the final concentration of DD at equilibrium if the initial concentrations are A= 1.00 M and B= 2.00 M ?

Q: Calcium carbonate decomposes to form calcium oxide and carbon dioxide, like this:…

A:

Q: The equilibrium constant, K., for the following reaction is 1.47 at 665 K. 2NH3(g) N2(g)+ 3H2(g)…

A: 2NH3 (g) ----> N2 (g) + 3H2 (g)      initial           a                  0…

Q: Consider the following reaction where Kc = 7.00 × 10-5 at 673 K. NH4I(s) NH3(g) + HI(g) A reaction…

A: For this reaction ;  Qc = [NH3]×[HI]/[NH4I]  And we know ;  If Qc>Kc the reaction will proceed…

Q: The molar concentrations for the reactants and products at equilibrium are found to be [HCl]=0.80 M,…

A: Given :-  4HCl(g)+O2(g)⇌2Cl2(g)+2H2O(g)  [HCl]=0.80 M [O2]=0.20 M [Cl2]=3.0 M [H2O]=3.0 M  To be…

Q: Consider the equilibrium system described by the chemical reaction below, which has a value of Kc…

A: The reaction taking place is  CaCrO₄(s) ⇌ Ca²⁺(aq) + CrO₄²⁻(aq)                                 Kc =…

Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H2 (g) + I2 (g)  2 HI…

A: [ H2 ]= 0.076 M [ I2 ]=  0.076M [ HI ]= 0.57M

Q: The elementary reaction 2 H,O(g) = 2 H(g) + O2(g) proceeds at a certain temperature until the…

A:

Q: Assume that the change in concentration of COCl2 is small enough to be neglected in the following…

A:

Q: At 100 °C, the equilibrium constant for the reactionCOCl21g2 ∆ CO1g2 + Cl21g2 has the value Kc =2.19…

A: For a reversible reaction at any stage other than the equilibrium, the ratio of the products of the…

Q: Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2…

A: Given: mass of HNO3 = 14.7 g mass of NO = 21.2 g mass of NO2 = 21.4 g mass of H2O =129.9 g Volume of…

Q: The equilibrium constant, Kc, for the following reaction is 9.52×10-2 at 350 K. CH4 (g) + CCl4 (g) 2…

A:

Q: The equilibrium constant for the reaction given below can be determined experimentally when known…

A:

Q: When she introduced 1.60 moles of COCl2(g) into a 1.00 liter container, she found the equilibrium…

A: Molarity of COCl2 = moles / Volume of solution Volume of container = volume of solution =1 L Moles…

Q: The equilibrium constant, Kc, for the following reaction is 77.5 at 600 K. CO(g) + Cl2(g) --->…

A:

Q: The reversible chemical reaction A+B⇌C+D has the following equilibrium constant:…

A:

Q: For the following reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) ⇌ COCl2   A reaction mixture…

A: First we will draw ICE table. Then using that write Kc expression to calculate equilibrium…

Q: Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2 SO₂(g) + O₂(g) → 2 SO3(g)…

A:

Q: 1. Given that the equilibrium concentrations of [N2 ] = 0.035 M, [C2H2 ] = 0.057 M, and [HCN] = 6.8…

A: The value of the equilibrium constant expression for the reaction has to be found

Q: The equilibrium constant Kc for the gaseous reaction HCHO(g) ⇀↽ H2(g) + CO(g) has the numerical…

A: Equilibrium point is the point where rate of forward reaction is equal to the rate of backward…

Q: The following reaction was performed in a sealed vessel at 798 ∘C : H2(g)+I2(g)⇌2HI(g) Initially,…

A:

Q: The equilibrium constant, Kc, for the following reaction is 1.45×10-2 at 623 K. 2HI(g) H2(g) +…

A:

Q: For the following reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) ⇌ COCl2 (g) PART A) If a reaction…

A: The initial concentration is 0.1470 M and 0.177

Q: Nickel carbonyl decomposes to form nickel and carbon monoxide, like this: Ni(CO),(9)→Ni(s)+4 CO(g)…

A: Interpretation -  To determine the equilibrium constant Kc  for the the given decomposition reaction…

Q: Assume that the change in concentration of COCl2 is small enough to be neglected in the following…

A:

Q: Nickel carbonyl decomposes to form nickel and carbon monoxide, like this: Ni(CO),(0)-Ni(s)+4CO(9) At…

A:

Q: A student must determine if the forward reaction of the following equilibrium is exo- or…

A: If reaction is endothermic then heat behaves as a reactant. Heating the mixture will add heat to the…

Q: Consider the decomposition of nitrosyl bromide into nitrogen monoxide and bromide gas, which has an…

A:

Q: Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2…

A:

Q: Consider the reaction:   Br2 (g) + Cl2 (g) ↔ 2 BrCl (g)   A reaction mixture at equilibrium…

A: Given, the chemical reaction as follows,Br2(g)+Cl2(g)↔2BrCl(g)at equilibrium, the concentration of…

Q: At 1200°C, the equilibrium constant (Kc) for the reaction  I2 (g) ⇌ 2 I (g)  is 2.59 x 10-3.…

A: This question can be done using simple equilibrium expression. But one has to solve quadratic…

Q: Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2…

A:

Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H2 (g) + I2 (g)  2 HI…

A:

Q: The equilibrium constant, K., for the following reaction is 1.51×102 at 635 K. 2HI(g) =H2(g) + I½(g)…

A: Given- Reaction  2HI (g) <---> H2 (g) + I2 (g) Kc= 1.51 x 10-2…

Q: Consider the following reaction:A(g)⇌B(g)+C(g)Find the equilibrium concentrations of A, B, and C for…

A:

Q: Reaction of carbon disulfide with hydrogen gas at 960 °C is a reversible reaction presented as…

A: Given data for  a) Volume of evacuated vessel (V) = 1 L  Initial volume of CS2 and H2 are 1.250 mole…

Q: Mercury and oxygen react to form mercury(II) oxide, like this: 2 Hg(1)+O2(g)→2 HgO(s) At a certain…

A: Mercury reacts with oxygen to form mercury(II) oxide: 2Hgl + O2g  → 2HgOs

Q: For the reaction 2 SO2 (g) + O2(g) ⇒ 2 SO3 (9) in a sealed glass vessel with temperature held…

A:

Q: A mixture of 0.578 moles of carbon monoxide and 0.443 moles of oxygen was placed into a rigid 1.00-L…

A: Kc is known as the equilibrium constant and is equal the ration of equilibrium concentration of…

Q: 1. The diagrams below represent the following reversible chemical reaction: H2(g) +1, (g) =2 HI (g)…

A: Given , Kc = 51 Volume of container = 2L

Q: The equilibrium constant, Kc, for the following reaction is 1.29×10-2 at 600 K. COCl2(g) CO(g) +…

A:

Q: The equilibrium constant for the reaction given below can be determined experimentally when a known…

A: Le Chatelier's principles also known as the equilibrium law, are used to predict the effect of some…

Q: A student ran the following reaction in the laboratory at 695 K: N2(g) + 3H2(g) 2NH3(g) When she…

A:

Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H2 (g) + I2 (g) 2 HI (g)…

A: Given that: Kc = 55.6 Moles of H2 = 0.228 mol Moles of I2 = 0.228 mol Volume = 1 L Equilibrium…

Q: Write the equilibrium constant expression, Kc, for the following reaction: If either the numerator…

A: Given reaction Ag2SO3(s) -à 2Ag+(aq) + SO32-(aq) Kc = ?

Q: 3.3 The following diagram represents the equilibrium state for the reaction: Az (8) + 2 B (g) → 2 AB…

A: (a) Given Equilibrium reaction is: Volume of the container = 1dm3 = 1L

Q: For the following reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) ⇌ COCl2 (g) PART A) If a reaction…

A: Equilibrium constant Kc is defined as the product of concentration of products divided by the…

Q: For the exothermic reaction 2A(aq) + B(aq) -> 2C(aq) + D(aq), the concentration-based equilibrium…

A:

Q: 1. Consider the following reaction at 500 K: 2 NO (g) + O2 (g) 2 2 NO2 (g); Kc = 6.9 x 105 This…

A:

Q: The equilibrium constant for the reaction given below can be determined experimentally when known…

A: According to Le Chatelier's principle When the temperature is increased, of an exothermic…

Q: Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2…

A: KC is equilibrium constant