Determine the Kb

Q: OH + LDA THF solvent (S) Ph conc. H,SO4, heat OH conc. H,SO4, heat HO.

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Q: Substance D has the following properties: ΔHvap = 30.5 kJ/mol ΔHfus = 5.9 kJ/mol Tb = 89.4 °C Tm…

A: Mass of substance =107.6 grams Molar mass of substance =75 grams Numbe rof moles of substance=Mass…

Q: Calculate AH for the reaction 2 Al (s) + 3 Cl2 (g) →2 AICI3 (s), from the following data. 2 Al (s)…

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Q: 2. Ba(C,H,O,), ( ) + CUSO, ( ) → Cu(C,H,0,), ( ) + BaSO, () 3. ZnSO, () + 2A9NO, ( ) → Zn(NO,)2 () +…

A: A.  Pb(NO)3(aq) + BaI2(aq).  ---------- pbI2(s)+Ba(NO3)2(aq). B.  Ba(C2H3O2)2(aq) +CuSO4(aq)…

Q: For the formula: q = m c ∆T, What does the c stand for? * 1 point heat mass specific heat change in…

A: Ans.  c stands for specific heat

Q: Using the neutralization enthalpy, can the enthalpy of formation of water be found?

A: Enthalpy of formation: The enthalpy of formation of a compound is the change of enthalpy during the…

Q: Define Hess’s law. Did your experimental results support Hess’s law? Use your data to explain your…

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Q: Which of the following processes will increase the potential energy of the system? (You may select…

A: Potential energy of the system is the energy which can be converted to kinetic energy of a system by…

Q: Calculate the value of AGO kJ mol1 for th

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Q: 2. From the following information, determine AH°fof malonic acid, CH2(COOH)2(s). CH2(COOH)2(s) +…

A: Given: Other provided data: Here, the enthalpies of formation of different compounds and enthalpy…

Q: The potential energy is a function of distance, and appronches zero ut very large distances and at…

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Q: I don't understand why the second formula was multiplied by 2 and why the delta G of the 1st formula…

A: To explain why the second reaction is multiplied by 2 and the sign of delta G of the first reaction…

Q: 4. Using the table above and your answers from Question 1 (enthalpy) and Question 2 (entropy),…

A: Acid gives H+ ions and base gains H+ ions.

Q: 1) H3O* 2) ELOH Br 1) CI , AICI3 2) Zn(Hg), HCI, heat conc. HNO3 conc. H2SO4 OCH3

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Q: Give your interpretation in Determination of Heat of Neutralization using the collected data

A: Neutralisation reaction is the reaction of an acid and a base to form salt and water. In this case…

Q: What is the value of change of H for neutralizing aqueous sulfuric acid with aqueous sodium…

A: In the neutralisation reaction heat is releases

Q: Sodium chloride is readily soluble in water. When it dissolves, water molecules hydrate individual…

A: Water is polar solvent and it can dissolve ionic solids. Ionic solids are formed form cations and…

Q: Can we find the enthalpy of formation from the elements of water by using the neutralization…

A: Explained as follows

Q: K, for

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Arrange the following elements in terms of the strength of the polar correlation from weakest to…

A: Electronegativity difference between the atoms is in the following order for the given bonds:  H-O…

Q: Are the values of ΔHvap and ΔSvap for boiling water going to be positive or negative? Explain if…

A: Given statement is :  Are the values of ΔHvap and ΔSvap for boiling water going to be positive or…

Q: Define “HELL" and prove if its endothermic or exothermic

A: An exothermic reaction is the chemical reaction that the energy is released in the form of heat or…

Q: Confider a nou- biteractig particles & thseee aveilable Sige paectecle energy levela lavig energied…

A: We have to predict the number of ways the particles can be distributed.

Q: Which value corresponds to a larger Keq: ΔGo = −8 kJ/mol or ΔGo = 20kJ/mol?

A: The relation between Keq and ΔGo is shown below.

Q: Use the table in the back of the book to calculate the ∆H for the reaction between calcium hydroxide…

A: The standard enthalpy change of a reaction is the difference between the sum of the enthalpies of…

Q: Calculate AS° for NH3(g) + HCI(g) NH.CI(s)- Substance S (J/mol·K) NH3 (g) 192.5 HCI (g) 186.7 NH4CI…

A: Using the following formula, we can calculate the entropy of the reaction,…

Q: 15. What is Hess's Law? How IS It used? Why is It Importaht in chemistry? Explalh your Ideas and…

A: Hess’s law states that the overalls energy change in the chemical reaction is equal to the sum of…

Q: why can you expect all delta H values to be reasonably constant when looking at enthaply

A: Interpretation- To explain why  all delta H values to be reasonably constant when looking at…

Q: (aq)2(8) 10. Given the three reactions: Ca) + 2H,O Ca" + 20H + 431 kJ/mol (ag) CaO) + H,O Ca, (aq) +…

A: Note: As per our guidelines, we are supposed to answer only the first question when multiple…

Q: What happens to the equation AG = AH - TAs when the temperature is 0 K? O a. When T=0 then AG = AH +…

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Q: Fill in the following table:

A: PH= - log [H+]  and POH = - log [OH-] Relation between PH and POH is PH + POH = 14 Relation between…

Q: So, when there is no value given for a substance O2, you are to assume that it is zero?

A: ∆Hfo of O2=0∆Hfo of formation of O2=0

Q: 1. Predict the sign for AS° and then calculate AS° and AH° from the data in appendix. CO(g) + 2H2(g)…

A: The balanced chemical eqution: CO (g) + 2 H2 (g) ⇔CH3OH (l)

Q: (f) H,SO, (g) HNO, (h) HC10, (i) H,SO;

A: Anion should be name with end -ate Cation should be named as such.

Q: ilin the feouna Chart whn the lonyeature as the udume Chrges Nepl:Find-the quaient if ine hume…

A: We would use the given statement of Charles law to calculate temperatures .

Q: Consider the following reactions: AH= +167.4 kJ/mol 2CIF (6) O2(g) Cl,00 + AH= +341.4 kJ/mol 3F,0…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: ΔΗ = -55.84 kJ/mol 'neutralization

A: According to question  NaOH +HCl --> NaCl + H2O  For trial 1  Mass will remain same, mass of…

Q: Use the following to calculate AH°lattice of MgF2. Mg(s) → Mg(g) AH° = 148 kJ F2(g) → 2 F(g) AH° =…

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Q: 1. NaOMe Ph d. 2. Heat 1. HNME,, H 2. Ph. CI 3. H;O* Bra, ACOH f. Ph 1. NaOMe 2. H,0* Ph 1. NaOMe 2.…

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Q: In an endothermic process AH is always... ONegative O Positive O Less than q O More than q OZero

A: Given  Reaction is Exothermic process.

Q: If an equation for a reaction is doubled and then reversed, How is the value of ΔH changed?

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Q: (a) Given that the enthalpy values for the following reactions are: AH = -1049.0 kJ 2 Al (s) + 6HC1…

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Q: Given the following at 25°C, calculate AH; for HCN(g) (in kJ/mol) at 25°C. 2NH3(g) + 302(g) +…

A: To calculate ∆HHCN  we will use the formula "Enthalpy change for reaction is equal to sum of…

Q: Calculate AH, for this reaction: rxn NO(g) + O(g)→ NO2(3) Given that: NO(g) + O3(g)→ NO2(g) + O2(g)…

A: Consider the given reaction for which we have to determine ∆Hrxn is as follows; NO g     +     O g…

Q: Given the following information, AHº (A2B(g)) = -225 KJ/mol AHº (BC(g)) = -160 KJ/mol AHº (AC(g)) =…

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Q: Calculate AS° for C3H4(g) + 2 H2(g) → C3H8(g). Substance S° (J/mol·K) C3H4 (g) 266.9 H2 (g) 130.6…

A: # We can make use of the standard entropy of each of  reactants and products to calculate the change…

Q: What is the value of Kw for a sample of pure water at room temperature?

A: Water contains H+ and OH- ions. It is known that the pure water has neutral pH.  In other words, the…

Q: Q1/ Calculate the AH, for 3C,H2 (9) AHc (C,H2) = -1.30 J mol1 AHc (C,H.) = -3.303 J mol1 --- C,Hs…

A: The reaction is, 3C2H2 (g)→C2H6 (g) Given that: ∆Hc(C2H2) = -1.30 J/mol ∆Hc(C6H6) = -3.30 J/mol To…

Q: 3Al(s) + 3NH4 CIO,(8) → Al, 0, (s) + AICI3 (s) + 3NO(g) + 6H2O(g) Calculate AHO for this reaction.…

A: Given : We have to calculate the enthalpy change for the reaction.