Practice Problem BUILD
Consider a weak acid, HA, that ionizes according to the equation:
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- Given that K c of the reaction below is 2.2 × 10-3 at a certain temperature, which of the following statements is correct? 2ICl (g) ⇄ I2 (g) + Cl2 (g) View Available Hint(s) Given that K c of the reaction below is 2.2 × 10-3 at a certain temperature, which of the following statements is correct? 2ICl (g) ⇄ I2 (g) + Cl2 (g) A. At this temperature, the products are favored and equilibrium lies to the left. B. At this temperature, the reactants are favored and the equilibrium lies to the right. C. At this temperature, the products are favored and the equilibrium lies to the right. D. At this temperature, the reactants are favored and the equilibrium lies to the left.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_forwardConsider the hypothetical reaction, which has an equilibrium constant (Kp) of 16.1 when the reaction occurs at 167°C. 2 W (g) + X (g) <---> 3 Y (g) If the equilibrium partial pressure of W is 0.787 atm and that of Y is 1.65 atm, what will the equilibrium partial pressure (in atm) of X be? (answer in 3 significant figures)arrow_forward
- issue 6Choose the equilibrium in which the products are favored by a drop in pressure and the reactants favored by a drop in temperature.a) N2(g) + 3 H2(g) ⇔ 2 NH3(g) + 92.3 kJb) H2(g) + I2(g) + 51.8 kJ ⇔ 2 HI(g)c) PCl3(g) + Cl2(g) ⇔ PCl5(g) ΔH = -84.2 kJd) 2 NO2(g) ⇔ 2 NO(g) + O2(g) ΔH = +54 kJarrow_forward#7 Be sure to answer all parts. Calculate Kp for the following equilibrium: 3 O2(g) ⇌ 2 O3(g) Kc =1.8×10 −56 at 475 K Answer= ____x10____arrow_forwardThe equilibrium constant for the reaction 2 HF (g) ⇌ H₂ (g) + F₂ (g) is 0.360 at a particular temperature. What is the equilibrium constant for the equation ½ H₂ (g) + ½ F₂ (g) ⇌ HF (g)? ANswer _____arrow_forward
- The following system was set up and allowed to come to equilibrium: 2 NO2(g) ⇌ N2O4 At equilibrium, the concentration of nitrogen dioxide was 2.45 mol/L, and the value of the equilibrium constant for the reaction at that temperature is 0.835. What was the concentration of the dinitrogen tetraoxide? Answer in mol/L to 3 decimal places.arrow_forwardConsider the following equilibrium: N2O4(g) ⇄2NO2(g). If Kp = 0.144 at 950.0 K, calculate Kc. (no scientific notation)arrow_forwardQuestion :(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_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_forwardConsider the following reaction: CO (g) + H2O (g) <===> CO2 (g) + H2 (g) a. Write the expression for the equilibrium constant (K) of the reaction b. Calculate the value for K using the following concentrations of each substance at equilibrium: [CO) = 0.55 M [H2O) = 0.44 M [CO2) = 0.25 M [H2) = 0.10 M c. Based on the value you obtained for K, are the products or reactants lower in energy? d. Is the value for ΔH negative or positive? please show workarrow_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_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning