. Consider the following reaction at constant pressure. Use the information here to determine the value of ASsurr at 298 K. Predict whether or not this reaction will be spontaneous at this temperature. N2(g) + 2 O2(g) → 2 NO2(g) AH = +66.4 kJ

Q: . Write the base dissociation reaction (equilibrium) for benzoate ion (C,H$CO2) in water; (remember,…

A:

Q: A solution of urea, CN2H4O, molar mass 60.04 g/mol, in water is prepared as follows: 5.161 g urea is…

A: Given: Molar Mass of Urea =60.04 g/mol Mass of urea =5.161 g Volume of solution = 100.00 mL…

Q: Write the balanced chemical reaction for the “autoionization" of water. Write the Kw expression, and…

A: Highly purified water also conducts very small unit of current. This implies that highly pure water…

Q: The solubility product, Ksp, for AgI is 8.3 x 1017. What is the concentration of iodide ion (I') in…

A: The solubility reaction of AgI is  AgI (s) --------> Ag+ (aq) + I- (aq)

Q: The following equilibrium chemical reaction: N20 (g) + NO (g) → N2(g) + NO2 (g) has a AG° = -139.4…

A: Gibb’s Free energy, ∆G is the maximum amount of reversible non-mechanical work that can be performed…

Q: a) if an initial concentration (before equilibrium) of C2H4O2 is 0.080 M, what are the equilibrium…

A: Given, Kc = 1.81 *10-5

Q: Which statement is TRUE? The vapor pressure of a liquid substance a. decreases as the temperature of…

A: The vapor pressure of the liquid is the pressure exerted by the vapor on the walls of the closed…

Q: Which acid and which base (formulas) are reacted to form the following ionic compounds (salts) in…

A: In the chemical reaction between NaOH and H2CO3, NaHCO3 and water will be produced. The complete…

Q: Consider the following balanced reaction: N204 (g) + N2 (g) → 2 N20 (g) + 02 (g) AG°reaction = +…

A: 1) a) The standard free energy change is positive so the reaction will not go forward it will move…

Q: A 0.25 mol/kg solution of potassium nitrate (KNO3) freezes at -0.93 °C. Calculate the van't Hoff…

A: Given: molality = 0.25 observed Delta T = -0.93°C normal delta T = Kf × molality…

Q: 5. Consider the following reaction of isocyanic acid (HOCN) with water. Isocyanic acid is a weak…

A: Given , initial concentration of HOCN = 0.0300 M             pH = 2.591 Now, pH can be expressed as,…

Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

A: Given: Mass of NaCl  = 5.881 g Volume of NaCl solution = 250 mL = 0.250 L Molar mass of NaCl =…

Q: Refer to Figure 1-1. If the temperature at point a is 200 K, and the pressure at point d is 4.0 atm,…

A: Given, Temperature at point a is 200 K Pressure at point d is 4.0 atm The phase of given substance…

Q: . Identify the Bronsted-Lowry “acid", “base", “conjugate acid" and the “conjugate base" in the…

A: INTRODUCTION: Substances which donate H+ ion in solution are acids and the species that formed by…

Q: The solubility product, Ksp, for Agl is 8.3 x 101". What would the concentration of silver(I) ion…

A: Given : The solution is having 0.2 M NaI salt which is completely soluble. Hence the concentration…

Q: What is the role of substance “D" in the reaction for the correct rate law?

A: Concept introduction: A reaction mechanism is a collection of elementary steps that explains how the…

Q: Write the balanced reaction that expresses the "autoionization" of water. Write the Kw expression.…

A: Autoionization reaction is a reaction in which the same molecule reacts with itself to produce ions…

Q: The [M] is derived by following the absorbance of m over time. What is the relationship between the…

A: The beer’s law explain that the concentration of a solution is directly proportional to the…

Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

A: First find the moles of NaCl.

Q: Gibbs free energy in chemistry is symbolizedG. It is related to the enthalpy (H) and entropy (S)…

A: The reaction given is  In the above reaction, since production of gaseous molecules takes place.…

Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

A: since question first is incomplete molality of solution is not given so I am calculating second…

Q: Which intermolecular force of attraction is strongest between molecules in liquid water?

A: The discription is as given below:

Q: . Acid-base equilibria. Benzoic acid, C;H5O2 (or C6H5CO2H) ionizes in water as follows: CH$CO2H H20…

A: Given,  concentration of benzoic acid, [C6H5CO2H] = 0.0100 M             pH of the solution in water…

Q: Calculate AS°rxn for the following reaction. The S° for each species is shown below the reaction. 4…

A: The reaction given is

Q: Calculate the AG°rxn using the following information. 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g)…

A: SOLUTION: Step 1: Free energy of the reaction is calculated from the equation:

Q: 5c. What is the pH of a solution which is 0.0400 M in potassium isocyanate (K* CNO") and 0.0300 M in…

A: Given, [K+CNO-] = 0.0400 M            [HOCN] = 0.0300 M As , K+CNO- is a salt it remains as…

Q: (2)5. Identify the following by Arhennius category (acid or base). CH;CO2H Ca(OH)2 CH;NH2 HBr

A: The Arrhenius acids may be described as the species which have the ability to contribute the…

Q: Compare and contrast the following molecular drawings, and the properties of these subtances in…

A: a) Which of the given molecules have the highest boiling point, it is to be determined? Given…

Q: . Calculate the AG°rxn using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H2O(1)…

A: The reaction given is

Q: What are the pHs of the following aqueous solutions? a) 0.100 M HCI ( a strong acid) b) 0.100 M NaOH…

A:

Q: what is the pH when the volume of base added equals half that of the equivalence point?

A: Since the volume of base added = half of that of the equivalence point. Hence it means the titration…

Q: A solution of urea, CN2H40, molar mass 60.04 g/mol, in water is prepared as follows: 5.161 g urea is…

A: Given: Molar mass of urea = 60.04 g/mol mass of ures = 5.161 g volume of solution = 100.0 mL density…

Q: Which of the following molecules in the pure (bulk) liquid state show the strongest dispersion…

A:

Q: Below what temperature does the following reaction become nonspontaneous? 2 HNO3(aq) + NO(g) • 3…

A:

Q: Which of the following molecules in the pure (bulk) liquid state show dispersion and dipole-dipole

A: The HCl being a polar molecule has the only predominant intermolecular force it has is Dipole-Dipole…

Q: This is the important part of this problem, since you will need K, below (keep 3 sig figs). What is…

A: Isocyanic acid is a weak monoprotic acid. HOCN (aq) + H2O (l) <-------> H3O+ (aq) + CNO- (aq)…

Q: According to Bronsted-Lowry theory, what is an acid? According to Bronsted-Lowry theory, what is a…

A: Bronsted-Lowry theory also known as acid- base reaction theory is defined in terms of transfer of…

Q: In the following reactions, identify the Bronsted-Lowry acid and base. In these same reactions,…

A: According to Bronsted-Lowry acid-base concept, an acid is a species which can donate proton and a…

Q: Calculate the osmotic pressure of a solution composed of 25.0 g urea (non-volatile molecular solute,…

A: The volume of 1.0 L is equal to 1000 mL. The concentration of the solution containing 25.0 g is…