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lab 19, Thermodynamics of the dissolution of borax
Lab 19 Thermodynamics of the Dissolution of Borax...
Thermodynamics of the Dissolution of Borax Prelaboratory Assignment 1. The standard free energy change for the...
Thermodynamics of the Dissolution of Borax Prelaboratory Assignment 1. The standard free energy change for the formation of two moles of H:0 (l) in a strong acid-strong base neutralization reaction at 25°C is -799 kJ. H30+ (aq) + OH(aq) → 2H20 (1AG° -79.9 kJ a. Calculate the equilibrium constant for the reaction b. Explain the chemical significance of the calculated equilibrium constant for the neutralization reaction. c. The standard enthalpy change, AH, for a strong acid-strong base reaction is -57.8...
Can someone help me finish my table? all the inforamtion is there. molarity of HCL =0.5M g...
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...
Borax, sodium tetraboratedecahydrate, is an important mineral found in dry lakebeds in California. It is used to make so...
Borax, sodium tetraboratedecahydrate, is an important mineral found in dry lakebeds in California. It is used to make soap and glass and used as a preservative. You can use the values of Ksp (solubility-product constant) of borax at different temperatures to determine ΔH∘, ΔS∘, and ΔG∘ for the dissolution of borax: Na2B4O5(OH)4⋅8H2O(s)(borax)→2Na+(aq)+B4O5(OH)42−(aq)(tetraborate)+8H2O(l) The relationship ln(Ksp)=−ΔH∘RT+ΔS∘R has the form of a linear equation, y=mx+b, where y is lnKsp and x is 1/T. The slope (m) is equal to −ΔH∘/R, and the...
Determination of a Solubility Product and Observation of the Common lon Effect . Calculate the molar...
Determination of a Solubility Product and Observation of the Common lon Effect . Calculate the molar solubility in mol/L for Zn(OH): in water. Zn(OH): has a Kap value of 1.8 x 10. Also, fill in the provided ICE table in solving this problem. Zn(OH)2(s)Zn2 (ag)20H (aq) Initial concentration (M Change in concentration (M) Equilibrium concentration (M From the molar solubility in question 1, calculate the concentration of OH ions in solution, and the pH of the solution. . Two 10.0...
Muyuulin (1JJ. Part III: Determination of a Solubility Product In Part Ill you will prepare a...
Muyuulin (1JJ. Part III: Determination of a Solubility Product In Part Ill you will prepare a saturated solution of silver carbonate (Ag2CO3) and deten solubility product constant of Ag2CO3. Ag2CO3(s) = 2 Agt(aq) + CO32-(aq) (17) In making the solution, 1.0 mL of 0.10 mol/L AgNO3 will be added to specified volume mol/L Na2CO3. The limiting reagent in this reaction will be the silver ions. Use of an excess an of anion allows for a relatively simple calculation of the...
I need help answering the rest of these. Experiment TA Lab Team Members Finding Equilibrium Constants:...
I need help answering the rest of these.
Experiment TA Lab Team Members Finding Equilibrium Constants: The Solubility of Borax Report Sheet Part A: Titration of Room Temperature Borax: Kg Molarity of Standard HCl solution: 004 u Temperature of room temperature borate mixture (T); T. in 20.00 Tin 293.15 K Trial 1 LLLLLL Final buret reading HCl, mL Initial buret reading HCI, ml 135.26 12.40 110.48 11.052 Trial 3 Trial 2 (if done) 138.53 39.00 18.83 18.76 110.66 110. 36...
Part A and Part B. Also question #3-post lab. (its circled) A. Molar Solubility and Solubility Product of Calcium Hydroxide Trial I Trial 3 Trial 2 25.0 1. Volume of saturated Ca(OH), solution (m...
Part A and Part B.
Also question #3-post lab. (its circled)
A. Molar Solubility and Solubility Product of Calcium Hydroxide Trial I Trial 3 Trial 2 25.0 1. Volume of saturated Ca(OH), solution (mL) 2. Concentration of standardized HCl solution (molU/L) 3. Buret reading, initial (mL 4. Buret reading, final (mL) 5. Volume of HCI added (mL) 6. Moles of HCI added (mol) 7. Moles of OH" in saturated solution (mol) 8. (OH1, equilibrium (mol/L) 9. (Ca2 ], equilibrium (mol/L)...
Thermodynamics example information to help solve each question CALCULATIONS Question 1. Write the complete exp...
Thermodynamics
example information to help solve each question
CALCULATIONS Question 1. Write the complete expression for the free energy change of the L = V equilibrium reaction for pure water (equation 2) at 100 bars and 300-C using the following data: Gy = -210330 joules/mole GL = -210330 joules/mole Recall that the right side (water vapor) of the reaction is the product side and left side (water liquid) of the reaction is the reactant side, Recall that we always calculate...
Hint 74.6% Check Answer Assignment Score: Question 15 of 25 > Determine whether each change represents...
Hint 74.6% Check Answer Assignment Score: Question 15 of 25 > Determine whether each change represents oxidation or reduction. Oxidation Reduction 2 Felt to Pet Cu to Cu ubiquinone (ketone) CH, CHC-H to CH, CH2C-OH 2 Ag to 2 C,H,O to C,H,O, NO, to NO, C,H, CH,CH,OH to CH CH, Assignment Score: 74.6% Resources Hint Check Answer < Question 7 of 25 > The concentrations of ATP, ADP, and P, differ with cell type. Consequently, the release of free energy...
please show the calculations for question 19 and 21 if possible. thanks. Question #19 An aqueous...
please show the calculations for question 19 and 21 if
possible. thanks.
Question #19 An aqueous HBr solution was prepared at 20°C with a pH of 3.00. In this solution, this is the concentration of hydrogen ions that originated from water dissociation: (1) 1.00 x 10-7 mol/L; (2) 7.40 x 10 mol/L; (3) 6.81 x 10-2 mol/l, (4) None of the above Question #20 The dissociation of HCI (HCI-H+Cl) has an equilibrium constant value of 2.00 x 109 at 25°C.'...
Thermodynamics of the Dissolution of Borax Prelaboratory Assignment 1. The standard free energy change for the formation of two moles of H:0 (l) in a strong acid-strong base neutralization reaction at 25°C is -799 kJ. H30+ (aq) + OH(aq) → 2H20 (1AG° -79.9 kJ a. Calculate the equilibrium constant for the reaction b. Explain the chemical significance of the calculated equilibrium constant for the neutralization reaction. c. The standard enthalpy change, AH, for a strong acid-strong base reaction is -57.8...
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...
Determination of a Solubility Product and Observation of the Common lon Effect . Calculate the molar solubility in mol/L for Zn(OH): in water. Zn(OH): has a Kap value of 1.8 x 10. Also, fill in the provided ICE table in solving this problem. Zn(OH)2(s)Zn2 (ag)20H (aq) Initial concentration (M Change in concentration (M) Equilibrium concentration (M From the molar solubility in question 1, calculate the concentration of OH ions in solution, and the pH of the solution. . Two 10.0...
Muyuulin (1JJ. Part III: Determination of a Solubility Product In Part Ill you will prepare a saturated solution of silver carbonate (Ag2CO3) and deten solubility product constant of Ag2CO3. Ag2CO3(s) = 2 Agt(aq) + CO32-(aq) (17) In making the solution, 1.0 mL of 0.10 mol/L AgNO3 will be added to specified volume mol/L Na2CO3. The limiting reagent in this reaction will be the silver ions. Use of an excess an of anion allows for a relatively simple calculation of the...
I need help answering the rest of these.
Experiment TA Lab Team Members Finding Equilibrium Constants: The Solubility of Borax Report Sheet Part A: Titration of Room Temperature Borax: Kg Molarity of Standard HCl solution: 004 u Temperature of room temperature borate mixture (T); T. in 20.00 Tin 293.15 K Trial 1 LLLLLL Final buret reading HCl, mL Initial buret reading HCI, ml 135.26 12.40 110.48 11.052 Trial 3 Trial 2 (if done) 138.53 39.00 18.83 18.76 110.66 110. 36...
Part A and Part B.
Also question #3-post lab. (its circled)
A. Molar Solubility and Solubility Product of Calcium Hydroxide Trial I Trial 3 Trial 2 25.0 1. Volume of saturated Ca(OH), solution (mL) 2. Concentration of standardized HCl solution (molU/L) 3. Buret reading, initial (mL 4. Buret reading, final (mL) 5. Volume of HCI added (mL) 6. Moles of HCI added (mol) 7. Moles of OH" in saturated solution (mol) 8. (OH1, equilibrium (mol/L) 9. (Ca2 ], equilibrium (mol/L)...
Thermodynamics
example information to help solve each question
CALCULATIONS Question 1. Write the complete expression for the free energy change of the L = V equilibrium reaction for pure water (equation 2) at 100 bars and 300-C using the following data: Gy = -210330 joules/mole GL = -210330 joules/mole Recall that the right side (water vapor) of the reaction is the product side and left side (water liquid) of the reaction is the reactant side, Recall that we always calculate...
Hint 74.6% Check Answer Assignment Score: Question 15 of 25 > Determine whether each change represents oxidation or reduction. Oxidation Reduction 2 Felt to Pet Cu to Cu ubiquinone (ketone) CH, CHC-H to CH, CH2C-OH 2 Ag to 2 C,H,O to C,H,O, NO, to NO, C,H, CH,CH,OH to CH CH, Assignment Score: 74.6% Resources Hint Check Answer < Question 7 of 25 > The concentrations of ATP, ADP, and P, differ with cell type. Consequently, the release of free energy...
please show the calculations for question 19 and 21 if
possible. thanks.
Question #19 An aqueous HBr solution was prepared at 20°C with a pH of 3.00. In this solution, this is the concentration of hydrogen ions that originated from water dissociation: (1) 1.00 x 10-7 mol/L; (2) 7.40 x 10 mol/L; (3) 6.81 x 10-2 mol/l, (4) None of the above Question #20 The dissociation of HCI (HCI-H+Cl) has an equilibrium constant value of 2.00 x 109 at 25°C.'...
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