Drops of concentrate hydrochloric acid are added to 15 drops of magnesium sulfate solution and 10 drops of sodium hydroxide until a reaction occurs. The reaction indicated a shift in the point of equilibrium. In which direction did the equilibrium shift?

Q: Hydrogen gas and iodine gas react via the equation H2(g) 1 I2(g) N 2 HI(g) Kc 5 76 (at 600 K) If…

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Q: what is the significance of the value of the equilibrium constant, forward reaction favorable, or…

A: Equilibrium is the stage at which concentration of product and reactant are not changes with time.…

Q: Phosphorous pentachloride decomposes according to the reaction PCl5(g)−⇀↽−PCl3(g)+Cl2(g) A 13.9 g…

A: Reactions taking place in closed systems proceed only up to a limited extent. This stage is known as…

Q: How does the equilibrium constant depend on temperature?

A: Since a reaction can be two types. 1) Endothermic reaction : reactions which absorbs heat from…

Q: Tetrafluoroethene, C2F4, is obtained from chlorodifluoromethane, CHClF2,  according to the equation:…

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Q: What happens to the equilibrium 2NO(g)+O2 (g)↔2NO2 (g) if a) O2 were added to the system, and if b)…

A: According to Le-Chatelier’s principle, if a system in equilibrium is subjected to any change kin…

Q: Predict the direction toward which the reaction will proceed to attain equilibrium if a mixture of…

A: The reaction quotient (Q) is a measurement of the relative amounts of products and reactants present…

Q: Consider the following equilibrium system; 2HC1(g) + I2(s) 2HI(g) + Cl,(g) AH = - 254 kJ/mol Using…

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Q: A 1.0L flaks is filled with NO and O2 initially and after the reaction establishes equilibrium the…

A: Given: Equilibrium moles of NO = 0.0018 mol Equilibrium moles of O2 = 0.0012 mol Equilibrium moles…

Q: equilibrium constant

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 4NH3(g) + 5O2(g) ⇌ 4NO(g) + 6H2O(g) A. 0.35 mol of NH3(g) is treated with 0.35 mol of O2(g) in a…

A: Ammonia reacts with oxygen to form nitrogen monoxide and water. The equation for the balanced…

Q: An equilibrium reaction has an mean for the reaction? equilibrium constant, Keq, of 0.92. What does…

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Q: In order to determine if a reaction is at equilibrium which of the following must be true? A) the…

A: Reason for the correct answer:In the equilibrium reactions, the rate of forward and reverse…

Q: Write the equilibrium expression for the following reaction: 2H2O (g) + O2 (g) 2H2O2 (g).

A: The reaction given is

Q: When the numerical value of Q is less than K, in which direction does the reaction proceed to reach…

A: The reaction quotient Q is used to determine the direction in which a reaction will shift so that it…

Q: Which of the following expressions is the correct equilibrium-constant expression for the following…

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Q: The value of K, for ethylamine, C,H;NH, is 4.30×104. Write the equation for the reaction that goes…

A: Ethylamine is a Lewis base or Bronsted base , it donates lone pair of electrons present on N-atom to…

Q: Why is there a warning that all glassware must be dry when preparing an equilibrium solution?

A: Why is there a warning that all glassware must be dry when preparing an equilibrium solution?

Q: Initially 3.0 mol of nitrosyl bromide, NOBr, is placed in a 5.0 L container and allowed to come to…

A: The equilibrium reaction taking place is  2 NOBr (g) -------> 2 NO (g) + Br2 (g) Given : initial…

Q: Describe what occurs to the motion of molecules once equilibrium has been reached.

A: Equilibrium : Equilibrium is the state of a chemical reaction in which it's forward reaction and…

Q: At a certain temperature the equilibrium constant, K. = 0.110 for the reaction: 2 ICI(g) = 29) +…

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Q: What is the value for equilibrium (2)?

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Q: Consider the following system at equilibrium, NH4 Cl (s) = HCl (g) + NH3 (g) (9) Which of the…

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Q: Suppose a 500. mL flask is filled with 1.2 mol of H, and 2.0 mol of HCl. The following reaction…

A: Given data,Volume of flask=500mL=0.500LMoles of H2=1.2molMoles of HCl=2.0molK=0.641

Q: When 1.623 x 10-2 mol of NH3 and 1.623 x 10-2 mol of O2 are introduced into a 2.035 L reaction…

A: The initial concentration of ammonia and oxygen are calculated as,

Q: Write a short note on equilibrium criteria to chemical reactions.

A: There are certain reactions that follows a special type of phenomenon denoted as "chemical…

Q: Write the pressure equilibrium constant expression for this reaction. 2 H₂(g) + O₂(g) → 2 H₂O(1) X

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Q: For the following system at equilibrium, H2(g) + CO2(g) = H20(g) + CO(g) the addition of H2(g) would…

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Q: At a certain temperature, 0.3011 mol of N2N2 and 1.501 mol of H2H2 are placed in a 2.50 L container.…

A: Answer:- This question is answered by using the simple concept of calculation of equilibrium…

Q: A study of the system, 4 NH3(g) + 7 O2(g) ⇌ 2 N2O4(g) + 6 H2O(g), was carried out. A system was…

A: The system was prepared using N2O4 and H2O with initial concentration of 3.60 M. The reaction…

Q: What is equilibrium of a mixture of SO2 and O2 maintained at 800 K until the system reached…

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Q: At a certain temperature, 0.4811 mol of N2 and 1.781mol of H2 are placed in a 4.00 L container.…

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Q: Have each group member explain to the group what happens if a system at equilibrium is subject to…

A: Le Chatelier’s principle states that if there is a change in temperature, pressure or concentration…

Q: The Keq for the decomposition of hydrogen iodide to form hydrogen and iodine as follows 2HI(g) ↔↔…

A: Equilibrium constant (Keq) is the ratio of the equilibrium concentrations of product over…

Q: What is the equilibrium constant expression for the reaction 4NO(g) + 6H2O(g) ⇌ 4NH3(g) + 5O2(g)?

A: The question is based on the concept of equilibrium. we have to write equilibrium constant…

Q: At a certain temperature, 0.4811 mol of N2 and 1.761 mol of H2 are placed in a 3.00 L container.…

A: The given balanced reaction as follows,

Q: Which of the following is not an example of a system in dynamic equilibrium? O The concentration of…

A: The term concentration indicates that the quantity of a substance remains in the given volume of the…

Q: What’s the equilibrium constant (K), for the following equation, if you have at equilibrium 2.48…

A: Equilibrium constant, K is given by  =

Q: Illustrate the significance of the Equilibrium Constant?

A: The equilibrium constant of a chemical reaction, denoted by the symbol K, provides insight into the…

Q: 4. Name two ways in which a system at equilibrium can be disturbed.

A: the state at which rate of forword reaction is equal to rate of backword reaction is called…

Q: Write the equilibrium expressions for the following reactions a. 3 Fe (s) + 4 H20 (g) Fe304 (s) + 4…

A: The reactions given are,

Q: Unless DH° 0, a change in temperature will affect the value of the equilibrium constant K..

A: Yes in case if ∆H° Is not zero for a reaction a change in temperature will effect the equilibrium.…

Q: Write the equilibrium law for the following reaction: NH3(8) + HI(g) = NH41(s)

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Q: an equilibrium constant from a partial equilibrium. Ammonia has been studied as an alternative…

A: To calculate value of equilibrium constant, first of all we will write down the balanced Chemical…

Q: At a certain temperature, 0.5011 mol of N2 and 1.781 mol of H2 are placed in a 4.00-L container…

A: The given equilibrium reaction is

Q: After equilibrium is reached in the reaction of 6.30 g H2 with 150. g I2, analysis shows that the…

A: An equilibrium constant Keq is ratio of the concentration of product to reactant at equilibrium