Activity coefficient = . 8) What is the numerical value of the activity coefficient of aqueous nitrous acid (HNO₂) at an ionic strength of 0.8 M? a) 1.00 b) 0.80 c) 0.40 d) 0.75 e) 0.81 ionic Strength=

Q: When 317. g of benzamide (C₂H,NO) are dissolved in 500. g of a certain mystery liquid X, the…

A:

Q: A sample of helium gas occupies a weather balloon with a volume of 793.4 mL, pressure of 764 Torr…

A:

Q: Consider the reaction SO₂(g) + 2C(s,graphite)—S(s,rhombic) + 2CO(g) for which AH° = 75.80 kJ and AS°…

A: Consider the reactionSO2(g) + 2C(s, graphite) →S(s, rhombic) +2CO(g)for which ∆H° = 75.80 kJ and ∆S°…

Q: Explain the basis for the Woodward-Hoffmann rules in predicting the stereochemistry of the products…

A: Pericyclic reactions represent a major class of organic reactions, where the change in bonding…

Q: Consider the decomposition of Sodium azide Na.Nz 2 NaN₂ → 2 Na + 3 N₂ (g) 2 What is the present…

A: Moles of NaN3 = 0.77 mole Actual yield of N2 = 30 gm

Q: Your local weather report announces that the barometric pressure is 30.16 inHg. Convert this…

A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: Using the given data below, calculate the heat of reaction. 2NO(g) + O2(g) --> 2NO2(g)

A:

Q: How many different Claisen condensation products are possible in the reaction of equal amounts of…

A: The given both compounds are esters. In the Claisen condensation reaction two esters are used and…

Q: 12. a) Provide the structures of reagent 1 and 2 that are required to generate the following alkyne:…

A: The target compound is alkyne and its IUPAC name is 3-butyne.  With the help of acetylene and base,…

Q: what is the relative rate of diffusion of NH3 compared to He? Does NH3 effuse fater or slower than…

A: Effusion is referred to as process in which a particular gaseous molecules escapes via a container…

Q: Which of these alkenes will produce a more stable intermediate via 1,2-hydride shift when it is…

A: The acid catalyzed hydration of alkenes involve carbocation intermediate. If there is the…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2Cr³+ (aq) +…

A: Answer: Galvanic cell is a type of cell that converts chemical energy into electrical energy via…

Q: how do I show the synthesis of chloroethane to 2-butene

A: We have to convert Chloroethane to 2- butene.

Q: Draw a #d structure (entire molecule) for the following: a) CO2 b) XeF4

A: The structure of the compounds depends on their bonding.  The bonding depends on the valence…

Q: Based on your answer for Question 3 from The Additivity of Heats (Hess's Law) Worksheet determine…

A: Data

Q: 6. Provide the structure for the major product formed when the molecule drawn below is treated with…

A: 1. Ozonolysis of alkene 2. Anti-Markovnikoff addition of HBr to alkene 3. Addition of HCl to alkene…

Q: Q (2) for the half order reaction 5/2 A → B 1- Evaluate CA f(t) using B.C t=0 CA = CAo 2- If CA0-0.4…

A: A half order reaction is given. Boundary conditions is, At t = 0, CA = CA0

Q: Image 5 OH H₂C- K + NH₂ and H₂C- OH NH₂

A: When a molecule is represented by two or more hybrid tructures and that structures are different in…

Q: A solution is prepared by adding 0.080 mole of Ni(NH3). Cl₂ to 0.50 L of 3.1 M NH,. Calculate 5.5 x…

A: Answer: Value of equilibrium constant is equal to the ratio of molar concentration of products and…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A reaction is said to be spontaneous if change in Gibbs free energy is negative  ΔG = ΔH - T ΔS…

Q: Which type of chromatography is most useful for determining the concentrations of minerals in…

A: When it comes to analyzing the mineral content in water, certain analytical methods are more…

Q: C. b. d. HN a. 4. Predict-the-Product ). Draw the structure(s) of the major organic product(s)…

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Decide which intermolecular forces act between the molecules of each compound in the table below.…

A: Decide which type of intermolecular forces act between molecules of each compounds.

Q: What is the product of the following reaction? + SO, S03 a. 4 only Ob. 3 only Oc. 5 only Od. 2 only…

A:

Q: 15. Give the full mechanism for the reaction below that leads to the formation of the major…

A: It is based on the concept of reactivity of benzene. Here we are required to find the major…

Q: An unknown acid with a Ka value of 3.67 x 10-2 and a molar mass of 86.9 g/mol may be purchased at…

A: Given,  Molar mass of unknown acid = 86.9 g/mol. Mass percent of the aqueous solution = 70.0 %…

Q: Answer the following questions

A: (4) Following diagrams given -  (5,6) Following molecules given -

Q: Gaseous ethane (CH3 CH3) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: A buffer solution contains 0.350 M NaH₂PO4 and 0.391 M Na₂HPO4. Determine the pH change when 0.088…

A: Given,i. Molarity of NaH2PO4 =0.350 MMolarity of Na2HPO4 =0.391 MKa2 of…

Q: For the reaction in Fig. 9 draw the curved arrows and the structure of the transition state. H₂O H…

A: The given reaction is a simple addition reaction of water to the carbocation to give tertiary…

Q: Provide a mechanism charges and O the show intermediates. D30t for following reactions. Indicate…

A: This question is from basic reaction mechanism.  Enol and enolate chemistry . C-C bond formation via…

Q: Lock 3: The first molecule is diethyl ether. Dr. Workman has written some information about this…

A: Amount of heat ,Q required to vaporize m  gram of a substance having enthalpy of vaporization ,…

Q: -4 When 22.0 mL of a 8.12 x 10 M potassium carbonate solution is combined with 25.0 mL of a 4.14 x…

A: Solubility product quotient, Qsp is the product of the concentrations of the products, each raised…

Q: Criteria for success All molecular drawings must be valid Lewis structures (octet rule, formal…

A: Torsional strain is known as the resistance to bond twisting in a certain type of chemical compound.

Q: Explain difference of reactions. Why addition of peroxides reverses regioselectivity of HBr addition…

A: Your answer is given below

Q: Which is the highest energy d-orbital that contains an unpaired electron in a complex with an…

A: To answer this question we have to have an idea about Jahn Taller distortion. Due to this distortion…

Q: Image 18 HO 0 ОН xs CH₂OH cat CH₂ONa CH₂O B ? H₂CO НО C OCH; О D ОН Y-OCH;

A: Acid anhydrides on reaction with excess of alcohol and in the presence of catalytic amount of…

Q: A 29.6 mL sample of 0.271 M dimethylamine, (CH3)2NH, is titrated with 0.237 M hydrobromic acid.…

A: pH/pOH of any buffer solution can be prepared by Henderson's equation.

Q: A model for the average price of a pound of white sugar in a certain country from August 1993 to…

A:

Q: The volume of water needed to dissolve 0.0514 grams of lead fluoride is Assume no volume change upon…

A:

Q: = Module Knowledge Check The heat of vaporization AH, of carbon disulfide (CS₂) is 26.74 kJ/mol.…

A: Answer:- This question is answered by using the simple concept of calculation of entropy change.

Q: Use the standard molar enthalpies of formation and calculate the change in enthalpy for the reaction…

A:

Q: A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard…

A: we have to answer in standard scientific notation

Q: Many grill lighter contain liquid butane, C4H10. Using the given data, calculate the enthalpy of…

A:

Q: For the fusion reaction shown, calculate the change in energy of the reaction in units of joules per…

A:

Q: /23, A tc For the following reactions, give the oxidation numbers for each atom in each compound,…

A: Species whose oxidation number increases is said to be oxidized and the species whose oxidation…

Q: What is the percent composition by mass for each element in potassium carbonate, K2CO3?

A:

Q: Balance equation alance •quation 3. Please balance the following reactions KMnO4 + HCI KCI+ MnCl₂ +…

A: Reaction- 3.     KMnO4 + HCl -------> KCl + MnCl2 + H2O + Cl2 4.     Pb(s) + PbO2(s) + H2SO4(aq)…

Q: A student sets up the following equation to convert a measurement. (The? stands for a number the…

A: Fill in the missing part of the equation. 67. J/mmol.°C = ? kJ/mol.°C Note:  1 mmol = 0.001 mol 1 J…

Q: Which substance will reach the highest temp. If the same mount of heat is added to 10g of each?…

A: Given substances and their specific heat:  Aluminum----Specific Heat 0.90 J/g° C…