grade 12 chem:  Show all work, include units, keep work as precise as possible and only apply sig figs to report final answers A 100.0 mL solution of 0.125 mol/L Hydrobromic Acid, HBr, is being titrated with 0.375 mol/L Potassium Hydroxide KOH. What is the pH of the solution after 50.0 mL of KOH has been added?

Q: Find AS for the reaction between nitrogen gas and hydrogen gas to form ammonia. 1/2 N₂(g) + 3H₂(g)…

A: In the given question we have to calculate the standard entropy change of the reaction, we have to…

Q: 1. Mass of copper 2. Reaction 1: Cu + 4 HNO, Cu(NO3)2 + 2 NO₂ + 2 H₂O a. Formula of the brown gas b.…

A: 1. Mass of copper will be the mass that you have taken for the reaction.

Q: A student dissolves 11.3 g of ammonium nitrate (NH,NO,) in 250. g of water in a well-insulated open…

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Q: balanced

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Q: → Consider the hypothetical reaction A(g) + 2B(g). A flask is charged with 0.78 atm of pure A, after…

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Q: b. If gas concentrations are as follows, 2.10 M NO2, 1.75 M O2, and 1.00 M NO3, calculate Keq Keq =…

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Q: Consider the equation ΔG° = - nFԑ° What are the four terms in this equation? What does a minus sign…

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Q: What will change the value of Ksp for Mg(OH)2? O Heat the solution. O Add water to the solution.

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Q: Select the reaction that will occur spontaneously. A) Zn²"(aq) + 1,(s) → Zn(s) + 2 l(aq) B) Zn (aq)…

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Q: What is true about this reaction: : S8(s) + 8H2(g) = 8H2S(g)? Select an answer and submit. For…

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Q: Calculate AG°rxn for the reaction below at 25.0 °C CO(g) + H2O(1) → H2(g) + CO2(g) given AG°f…

A: Given reaction is,     CO(g) + H2O(l) →H2(g) + CO2(g)  Given data,  ∆Gof[CO(g)] = -137.2 KJ/mol…

Q: Consider the reversible dissolution of lead (II) chloride. PbCl2 (s) = Pb2+ (aq) + Cl- (aq)…

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Q: pl, what is AG for the following reaction?

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Q: Which following reaction is Exothermic and which is Endothermic ?2 Na + Cl2 ---------- 2 Na Cl + 822…

A: In an exothermic reaction the heat is released and in an endothermic reaction, heat is gained or…

Q: You know the equilibrium constant (at 25 °C) for the dissolution of Fe(OH)3(s) → Fe³+ + 3 OH- is…

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Q: Remaining Time: 55 minutes, 50 seconds. ¥ Question Completion Status: A Moving to another question…

A: The half- cell reactions for the given cell reaction can be written as follows:

Q: Explain BALANCES ON REACTIVE PROCESSES?

A: Three different balances may be written to determine an unknown flow rate for a reactive process.…

Q: Balance the equation and write the reaction-quotient expression, Q. a b V Q= equation: U(s) + F₂ (g)…

A: In the reaction quotient expression, the numerator contains the products and the denominator…

Q: Morrissey has worked for Regeneron, and as part of her duties she regularly had to make batches of…

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Q: The atmospheric oxidation of nitric oxide is shown below. Write the equilibrium expression for this…

A: 2NO(g)   +   O2 (g)   ⇋   2NO2 (g) Kp = [PNO2 ]2/ [[PNO ]2 [PO2]

Q: 5. Find the coefficient for the balaced reaction for oxygen and the type of reaction CO2 + C6H10 +…

A: The given reaction is Combustion reaction.

Q: Calculate AG for the reaction E+H --> I + J when [E] = 3.8 uM. [H] = 0.44 uM. [1]= 8.7 UM,…

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Q: Which side of the equilibrium is favored for the following reaction? Explain your choice. NH, OH NH

A: Find out the direction of equilibrium?

Q: General Chemistry 4th Edition McQuarrie Rock • Gallogly Sodium sulfate is slowly added to a solution…

A: Given : 0.0500 M = Ca2+( aq )  0.0300 M = Ag+( aq )  Ksp of CaSO4 = 4.93 × 10^-5  Ksp of AgSO4 =…

Q: The volume of water needed to dissolve 0.0698 grams of lead iodide is L. Assume no volume change…

A: To determine the solubility of lead iodide from the Ksp value, PbI2 → Pb2+ + 2I-Ksp = [Pb2+] [I-]2…

Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox")…

A: A reaction in which oxidation & reduction occurs simultaneously is called Redox…

Q: The standard reaction free energy AG =-800. kJ for this reaction: CH (9) + 20,(g)→CO,(g) + 2 H,0(g)…

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Q: The standard reaction free energy AG = -87. kJ for this reaction: TiCl4(g) + 2 H₂O(g)→ TiO ₂(s) +…

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Q: At a particular temperature, the following reaction has a Kc value of 7.12. 2 COF2 (g) = CO2 (g) +…

A: Equilibrium constant is defined as the ratio of concentration of products to the concentration of…

Q: MISSED THIS? Watch IWE: The Equilibrium Constant and AGᵒrxn; Read Section 19.10. You can click on…

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Q: help please answer in text form with proper workings and explanation for each and every part and…

A: The problem is asking us to calculate the equilibrium constant (K) at a different temperature (-23.0…

Q: 4. At 60°C, 3.76 mol of NOBr is placed in a 1.00 L flask and it dissociates to the extent of 6.9%,…

A: Given values The volume of the flask is 1 L The initial mole of NOBr is 3.76 mol The temperature is…

Q: Physical or Chemical Change? 1. H2OCI) H2O(g) 2. NacI(s)→ Na+Caq) + CI -Caq) 3. NaOH(s)→Na+ (aq) +OH…

A: To determine whether the below change is a physical or chemical H2O(l) → H2O(g) NaCl(s) → Na+(aq) +…

Q: Which of the following involve an increase in the entropy of the system?     Condensation of…

A: Entropy is the degree of randomness or disorderliness of atoms of molecules of the system. As…

Q: What concentration of LiNO3  (in ppm) is present in 7.5 X 10 -5 M LiNO3 ? The molar mass of AgNO3…

A: Given :  Molar Concentration of LiNO3 = 7.5 x 10-5 M  Molar mass of LiNO3 = 69 g/mol

Q: The equilibrium constant for the following reaction is 4.0 x 108 at 25oC N2 (g) +3H2 (g) 2NH3 (g)…

A: Given:

Q: e AG for the reaction

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Q: Magnesium hydroxide is only very slightly soluble in water. The reaction by which it goes into…

A: According to Le-Chatliers principle, a reaction mixture at equilibrium tend to remain in…

Q: ol, what is AG for the following reaction?

A: The energy associated with a chemical reaction that can be used to do work. The free energy of a…

Q: For a particular hypothetical reaction, A+ B 2C, the value of AG° is –125 kJ/mol. What is the value…

A: The reaction taking place is given as, => A + B ----> 2 C Given : ΔGo of reaction = -125…

Q: 24. For the reaction: H2O(1) - H2O(g). Calculate AG at 30 °C (Attach your solution) O 1.98 kcal O…

A: So 2nd options seems more accurate that is 1.89kcal

Q: Write the unbalanced reaction for the combustion of pentene (C,H10). [ Select ] + [Select ] [ Select…

A: Combustion reaction is reaction with O2 to give CO2 and H2O

Q: For the endothermic reaction A (aq) + B (aq)→ C(aq) + D(s) A. What direction does the reaction…

A: Any change in chemical equilibrium shifts the equilibrium in such a direction where the equilibrium…

Q: 13. The symbol AG,(CH4, g) refers to which of the following reactions? a. CH4() → CH4(g) b. CH4(g) →…

A: The Standard Gibbs energy of formation of a substance is defined as the Gibbs energy change when one…

Q: Reaction AG° (kJ/mol) A -31.5 В -16 C -35.6 D +6 E +26.3 Of these reactions, which is the furthest…

A: A thermodynamic potential which is used to determine the maximum of reversible work that can be done…

Q: What does each symbol represent? K Gibbs free energy reaction quotient Greek lowercase mu mole…

A: Symbols and their representations are given below

Q: The compound iron(II) bromide, FeBr, is soluble in water. Write the net ionic equation for the…

A: Different type of compounds have different physical and Chemical properties. Iron (II) Bromide also…