We are given the equilibrium system: PbSO4 (s) + 2I- + heat <----> PbI2 (s) +...
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We are given the equilibrium system:
PbSO4 (s) + 2I- + heat <----> PbI2 (s) +...
1) The molar solubility of PbI2 is 1.5X10-3 mol/L. PbI2(s) ? Pb2+(aq) + 2I-(aq) What is the molar concentration of iodi...
1) The molar solubility of PbI2 is 1.5X10-3 mol/L. PbI2(s) ? Pb2+(aq) + 2I-(aq) What is the molar concentration of iodide ion in a saturated PbI2 solution in mol/L? Hint: Consider mol ratios. Don't use scientific notation. Use 2 significant figures. ________ 2) The molar solubility of PbI2 is 1.5X10-3 mol/L. PbI2(s) ?Pb2+(aq) + 2I-(aq) Determine the solubility constant, ksp, for lead(II) iodide: ksp = [Pb2+][I-]2 Don't use scientific notation. Use 2 significant figures. ________ 3) How is the molar...
Question 1 2 pts Given the balanced chemical equation: Thermometer Ba(NO3)2(aq) + Na2SO4(aq) →BaSO4(s) + 2...
Question 1 2 pts Given the balanced chemical equation: Thermometer Ba(NO3)2(aq) + Na2SO4(aq) →BaSO4(s) + 2 NaNO3(aq) - Stirrer A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find Hrxn for this reaction. Cs,soln = 4.18 J/g °C Cover Step 1: The reaction...
2. (4) Given: PbSO4(e)Pb2 (aq) + SO42 (aq) Calculate the equilibrium constant, if AGt for PbSO4(s...
help
2. (4) Given: PbSO4(e)Pb2 (aq) + SO42 (aq) Calculate the equilibrium constant, if AGt for PbSO4(s) is-811 Kj/mole; for Pb2+ (aq) is 24.3 Kj/mole and for SO42 (ag) is -742 Kj/mole. Calculate the solubility of PbSO4, if the pH of the solution is 4.32 and the [NaHSO4] is 0.10 M. Ka for HSO4 1.02 x 10-2 1. (6) From this week's experiment, what would you expect the signs on ΔΗΡ and So for the observed reaction, Na2B O(OH)8 H2o...
D Question 6 1 pts Given the balanced chemical equation: Ba(NO3)2(aq)+ Na2SO4(aq) BaSO4(s) + 2 NaNO3(aq)...
D Question 6 1 pts Given the balanced chemical equation: Ba(NO3)2(aq)+ Na2SO4(aq) BaSO4(s) + 2 NaNO3(aq) ons A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find ΔHrxn for this reaction. Csson-4.18 J/g °C Stirrer sources Cover Step 1: The reaction is I...
can someone help ts) Given the following reaction in a non-rigid, but closed container: Heat +CaCO3(-)...
can someone help
ts) Given the following reaction in a non-rigid, but closed container: Heat +CaCO3(-) + H2O + CO2(g) + 2HCO3"(aq) + Cat2(aq) k [HCO₃ ] [ca [CO₂] Which way will the equilibrium shift if: Left Right No Shift CaCO3() is added to the container Left Right No Shift Arg) is added to the container more moles - undo CO2 (g) is removed from the container Right No Shift Left Left Right No Shift The container is heated TPV...
Which of the changes listed below has no effect on the equilibrium for the following reversible reaction?...
Which of the changes listed below has no
effect on the equilibrium for the following reversible
reaction?
PbI 2( s) Pb
2+( aq) + 2 I -( aq)
increase [Pb2+]
decrease [I-]
add solid NaCl
add solid AgNO3
add solid PbI2
You are given the equilibrium system BiCl_3 (aq) bismuth (III) chloride(colorless) + H_2, O(l) BiOCl (s)...
You are given the equilibrium system BiCl_3 (aq) bismuth (III) chloride(colorless) + H_2, O(l) BiOCl (s) bismuth(III) oxychloride (white) + 2HCl (aq) at a point at which the solution is colorless and no BiOCl (s) is observed. a. which way should the equilibrium shift, to the left or to the right, when water is added until a change is observed? What would be observed? Explain the shift in terms of lessthanorequalto Chatelier's principle. b. Which way should the equilibrium shift...
please help me find the cation and anion nominal concentrations for columns 4 and 5. the...
please help me find the cation and anion nominal
concentrations for columns 4 and 5. the original solutions used as
sources of ions are all 0.20 M.
I'd appreciate if you showed the process as well as the
answers.
thank you!
no
equilibrium constant was given. It says the dilution equation must
be used to determine the the nominal concentrations.
Solutions Mixed Cation Anion Solution Solution Concentrations [Cation] [Anion] AgNO3 NaCI 0.10 0.10 AgNO3 KI AgNO3 Na2SO4 BaCl2 NaCl 0.10...
2. Balance each of the following equalis different from the one ollowing equal to Write cach equation in ionic fomu...
2. Balance each of the following equalis different from the one ollowing equal to Write cach equation in ionic fomu Finally en het ionic equation the spectator lons for cach reaction shown in its member: A weak acid such as HC H1302 should be is molecular for insoluble substances are not present as lons in solution. Ba H O (1) ► 1 Ba(OH)2 ) 128 to NaC2H302 (aq) + H2SO4 (aq) Na2SO4 (aq) + 2_HC2H3020) (e) 2 AgNO3 (aq) +...
The thermochemical equation for the reaction is shown below: 4 Al(s) + 3 O2(g) → 2...
The thermochemical equation for the reaction is shown below: 4 Al(s) + 3 O2(g) → 2 Al2O3(s) ΔH = -3352 kJ How much heat is released when 8.07 g of Al react with O2(g) at 25 oC and 1 atm? Select the oxidation-reduction reaction(s)? 1. Cl2(g) + ZnBr2(aq) → ZnCl2(aq) + Br2(l) 2. Pb(ClO4)2(aq) + 2 KI(aq) → PbI2(s) + 2 KClO4(aq) 3. CaCO3(s) → CO2(g) + CaO(s) Select the strong acid in aqueous solution from the set below. Group...
Question 1 2 pts Given the balanced chemical equation: Thermometer Ba(NO3)2(aq) + Na2SO4(aq) →BaSO4(s) + 2 NaNO3(aq) - Stirrer A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find Hrxn for this reaction. Cs,soln = 4.18 J/g °C Cover Step 1: The reaction...
help
2. (4) Given: PbSO4(e)Pb2 (aq) + SO42 (aq) Calculate the equilibrium constant, if AGt for PbSO4(s) is-811 Kj/mole; for Pb2+ (aq) is 24.3 Kj/mole and for SO42 (ag) is -742 Kj/mole. Calculate the solubility of PbSO4, if the pH of the solution is 4.32 and the [NaHSO4] is 0.10 M. Ka for HSO4 1.02 x 10-2 1. (6) From this week's experiment, what would you expect the signs on ΔΗΡ and So for the observed reaction, Na2B O(OH)8 H2o...
D Question 6 1 pts Given the balanced chemical equation: Ba(NO3)2(aq)+ Na2SO4(aq) BaSO4(s) + 2 NaNO3(aq) ons A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find ΔHrxn for this reaction. Csson-4.18 J/g °C Stirrer sources Cover Step 1: The reaction is I...
can someone help
ts) Given the following reaction in a non-rigid, but closed container: Heat +CaCO3(-) + H2O + CO2(g) + 2HCO3"(aq) + Cat2(aq) k [HCO₃ ] [ca [CO₂] Which way will the equilibrium shift if: Left Right No Shift CaCO3() is added to the container Left Right No Shift Arg) is added to the container more moles - undo CO2 (g) is removed from the container Right No Shift Left Left Right No Shift The container is heated TPV...
Which of the changes listed below has no
effect on the equilibrium for the following reversible
reaction?
PbI 2( s) Pb
2+( aq) + 2 I -( aq)
increase [Pb2+]
decrease [I-]
add solid NaCl
add solid AgNO3
add solid PbI2
You are given the equilibrium system BiCl_3 (aq) bismuth (III) chloride(colorless) + H_2, O(l) BiOCl (s) bismuth(III) oxychloride (white) + 2HCl (aq) at a point at which the solution is colorless and no BiOCl (s) is observed. a. which way should the equilibrium shift, to the left or to the right, when water is added until a change is observed? What would be observed? Explain the shift in terms of lessthanorequalto Chatelier's principle. b. Which way should the equilibrium shift...
please help me find the cation and anion nominal
concentrations for columns 4 and 5. the original solutions used as
sources of ions are all 0.20 M.
I'd appreciate if you showed the process as well as the
answers.
thank you!
no
equilibrium constant was given. It says the dilution equation must
be used to determine the the nominal concentrations.
Solutions Mixed Cation Anion Solution Solution Concentrations [Cation] [Anion] AgNO3 NaCI 0.10 0.10 AgNO3 KI AgNO3 Na2SO4 BaCl2 NaCl 0.10...
2. Balance each of the following equalis different from the one ollowing equal to Write cach equation in ionic fomu Finally en het ionic equation the spectator lons for cach reaction shown in its member: A weak acid such as HC H1302 should be is molecular for insoluble substances are not present as lons in solution. Ba H O (1) ► 1 Ba(OH)2 ) 128 to NaC2H302 (aq) + H2SO4 (aq) Na2SO4 (aq) + 2_HC2H3020) (e) 2 AgNO3 (aq) +...
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