14. What are the final concentrations of A and A, at equilibrium if the initial (A)...
What is the final concentration of D at equilibrium if the initial concentrations are [A] = 1.00 M and [B] = 2.00 M ?The reversible chemical reaction A+B⇌C+D has the following equilibrium constant: Kc=[C][D][A][B]=5.3 Gaseous hydrogen iodide is placed in a closed container at 425∘C, where it partially decomposes to hydrogen and iodine: 2HI(g)⇌H2(g)+I2(g) At equilibrium it is found that [HI]= 3.55×10−3M, [H2]= 4.82×10−4M , and [I2]= 4.82×10−4M. What is the value of Kc at this temperature? b The reversible...
What are the equilibrium concentrations? Equation
sheetincluded.
2. (10 pts) For the reaction (aq) the equilibrium constant is Kc 3.0 x 10's at 25 oC. If the initial concentration of IHA is 0.100 M, what are the equilibrium concentrations of HA, H3o and A"?
QUESTION 18.1 POINT The initial concentrations of Na+ and Cl” in the reaction below are each 0.0434 M. If the initial concentration of NaCl is OM and the equilibrium constant is K-8.21 under certain conditions, what is the equilibrium concentration of Nat? NaCl(aq) Na+ (aq) + Cl(aq) Select the correct answer below: O 0.0281 M O 0.0354 M O 0.0432 M 6,81 10 M FEEDBACK
1) Consider the following equilibrium: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) Initial concentrations: [Fe3+] = 0.590; [SCN-] = 1.239; [FeSCN2+] = 0 The equilibrium concentration of [FeSCN2+]eq = 0.454 M. What is the numerical value of KC for this equilibrium? KC = __________________ 2) Consider the following equilibrium: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) Initial concentrations: [Fe3+] = 0.370; [SCN-] = 0.777; [FeSCN2+] = 0 The equilibrium concentration of [FeSCN2+]eq = 0.285 M. What is the equilibrium concentration of Fe3+? [Fe3+]eq =...
Thermodynamics & Solubility Experiment: KNO3(s)+H2O(l)--->K^1(aq)+NO3^-1(aq) 1) What is the value of the equilibrium constant in this experiment when 13.012 grams of KNO3 dissolves 13.70 ml of water? 2) What are the units of the slope of a line from a graph of lnK vs 1/T, where T is measured in Kelvin units? Show your work. 3) A linear regression analysis for this lab is y=-18.5x+5.96. Calculate the value of the enthalpy and entropy of the reaction. THEN, use your results...
The chemical reaction: A(aq)⇌2B(aq) is characterized by the equilibrium constant Keq= 3.1 at standard pressure and a temperature of 25℃. The standard reaction enthalpy is given as ΔrH∘ = -109 kJ/mol and can be considered as independent of the temperature. Given Parameters for Excel file: Keq = 3.1 drH = -109 kJ/mol [A]_0 = 0.42 mol/L T2 = 53 ℃ Part A Calculate the standard reaction entropy ΔrS∘, which can also be considered independent of temperature. ΔrS∘ = -356.77 J/(K...
Chem experiment: Data: initial burette reading(ml): final burette reading: volume titrant added: trial 1: 32.00ml 48.0ml 16ml trial 2: 32.00ml 43.8ml 11.8ml trial 3: 34.00ml 43.9ml 9.9ml the volume of HCl (titrant) was == 1.26 mili-moles Complete the following ICE tables and use them to calculate the value of Ksp for all three trials. The initial concentrations of Ca2+ and OH– refer to the concentrations before any of the solid dissolved (i.e.when the solutions were originally made), and can therefore...
Please help answer questions 1-4 of my assignment with the given
[HCl] Concentration of 0.1522
Titration of Room Temperature Ca(OH)2 Solution. Note these are 10.00 mL samples. Room Temperature_210 "C294 K (lab manual, p. 8-5) Trial Trial 2 Trial 3 Final Volume (mL) Initial Volume (mL) Volume Delivered (mL) Average Volume (mL) 28.66 mL Titration of "Hot" Ca(OH)2 Solution. Note these are 10.00 mL samples. Temperature of "Hot" Solution_90 _°C - 363 _K (lab manual, p. 8-5) Trial 1 Trial...
A buffer solution is able to maintain a constant pH when small amounts of acid or base are added to the buffer. Consider what happens when 1 mL of a 5 M solution is added or 0.005 mol of HCl are added to a 100.0 mL solution acetic acid buffer that contains 0.0100 mol of Acetic acid, HC,H,O,, and 0.0100 mol of sodium acetate, NaC,H,O,. The initial concentration of both the acid and the base are 0.0100 mol/ 0.1000 L...
can someone help me finish my
table? all the inforamtion is there.
molarity of HCL =0.5M
grams of borax = 18.41g
the Relationship between Thermodynamics and Equilibrium 21 Complete the data table for each temperature studied. Beaker Label 42 °C 45 °C 36 ° C 39 °C 33 °C 2EC 138℃-2°C| ーでー 46℃ Temperature reading (C) Absolute temperature (K) 1/T Final buret reading Initial buret reading Volume of HCI Moles of H+ Moles of B Os(OH)2 Molarity of B,Os(OH)2 306.230.2...