Practice ProblemATTEMPT
For each reaction, predict the direction of shift caused by increasing the volume of the reaction vessel.
(a)
(b)
(c)
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- The reaction of bromine gas with chlorine gas, Br2(g) + Cl2(g) ⇄ 2 BrCl(g), has a Kp value of 7.20. If 0.300 atm of both Br2 and Cl2 are placed in a closed vessel and allowed to come to equilibrium, what is the equilibrium partial pressure of BrCl(g)? (answer in atm & no scientific notation)arrow_forwardProblem 7-7 Consider the following equilibrium reaction for the decomposition of an aqueous solution of hydrogen peroxide: Oxygen has limited solubility in water (see the table in Chemical Connections 6A). What happens to the equilibrium after the solution becomes saturated with oxygen?arrow_forwardHydrogen iodide gas is formed from its elements with a value for Kp = 25.5 at a certain temperature: H2 (g) + I2 (g) <---> 2 HI (g) What will the equilibrium pressure (in atm) of hydrogen iodide gas be if the initial partial pressure of both reactant gases is 0.150 atm? (answer in 3 significant figures)arrow_forward
- At 1130°C, the equilibrium constant (Kc) for the reaction 2H2S(g) ⇌ 2H2(g) + S2(g) is 2.25 × 10−4. If [H2S] = 4.80 × 10−3 M and [H2] = 1.40 × 10−3 M, calculate [S2]. Please write to text formet answerarrow_forwardThe Kp for the reaction A (g) ⇌ 2 B (g) is 0.0730. What is Kp for the reaction 4 B (g) ⇌ 2 A (g)? Answer numericla ______arrow_forwardIn which circumstances, will the value of the equilibrium constant Kp decrease as temperature increases for a reaction in gas phase? under no circumstances. if ΔH > 0. if more moles of gas are on product side of reaction. if more moles of gas are on reactant side of reaction. (Your answer) if ΔH < 0. (Correct answer)arrow_forward
- Which of the following does not represent a homogeneous equilibrium? [Select all that apply] Group of answer choices N2O4 (g) ⇄ 2 NO2 (g) N2 (g) + 3 H2 (g) ⇄ 2 NH3 (g) CaCO3 (s) ⇄ CaO (s) + CO2 (g) H2 (g) + I2 (g) ⇄ 2 HI (g) Co (s) + 2H+ (aq) ⇄ Co2+ (aq) + H2 (g)arrow_forwardGaseous hydrogen iodide is placed in a closed container at 425 ∘C ∘ C , where it partially decomposes to hydrogen and iodine: 2HI(g)←→H2(g)+I2(g) 2 H I ( g ) ← → H 2 ( g ) + I 2 ( g ) . At equilibrium it is found that [HI]= [ H I ] = 3.51×10−3 M M , [H2]= [ H 2 ] = 4.76×10−4 M M , and [I2]= [ I 2 ] What is the value of KcKc at this temperature? Please provide only typed answer solution no handwritten solution needed allowedarrow_forwardThe reaction: SO2 (g) + ½ O2 (g) « SO3 (g) Has Kp equal to 6.55 at 627 °C. What is the value of Kc at this temperature? Answer:arrow_forward
- Question :(a) For the reaction 2 A(aq) ⇋ B(aq) + C(aq), the value of ΔGo is 2.21 kJ at 25.0oC. If the initial concentrations of A(aq), B(aq), and C(aq) are respectively 0.418 M, 0.343 M, and 0.229 M, what will be the concentration of A(aq) when we reach equilibrium at 25.0oC?(b) To a 88.8 mL aqueous solution of NaOH, we add an excess of Fe(NO3)3 and produce 0.262 g of Fe(OH)3(s). What was the original pH of the NaOH solution?arrow_forwardFor the reaction below, Kp=5.20×10-2 at 60.0°C. Calculate the value of Kc for this equilibrium at the same temperature.PH₃BCl₃ (s) ⇄ PH₃ (g) + BCl₃ (g)Kc=Answerarrow_forwardChemistry Find ΔHfus for water Mass of cup and warm water: 45.67 gFinal mass of cup, water, and melted ice: 69.76 gMass of empty cup: 2.21 gTemperature of warm water: 63 °CTemperature of ice: 0 °CTemperature at equilibrium: 45.2 °Carrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning