Three gases were added to the same 8.9 L container. The total pressure of the gases was 774 torr at room temperature (25.0 °C). If the mixture contained 0.74 g of fluorine gas, 0.75 g of carbon disulfide, and an unknown amount of nitrogen gas, determine the following: (a) The total number of moles of gas in the container

Q: 3. Calculate the volume of 5.00 grams of 03.

A: Mass of O3 gas = 5.00 grams We need to calculate the volume of O3 gas.

Q: 37. Nickel crystallizes in a face centered cubic crystal.the edge of a unit cell is 352 pm. The…

A: a = 352 pm = 352 x 10-10 cm M = 58.7 g/mol d = 8.94 g/cm3 NA = ? Z = 4 for FCC

Q: The presence of urease is detected by Multiple Choice an increase in pH causing a color change of a…

A: Urease is an enzyme that catalyze hydrolysis of urea and forms ammonia and carbon di oxide

Q: 6. What is theoretical density for Al (aluminium). Use the following information: A= 26.98 g/mol…

A: IntroductionThe theoretical density, also known as the calculated density or ideal density, refers…

Q: Which of the following depicts highest occupied molecular orbital (HOMO) of 1,3-butadiene?

A: HOMO is highest occupied molecular orbital, which is the filled molecular orbital with highest…

Q: 2) How many milligrams of MgSO4 are required to prepare 43 mL of a 1.60 mM solution?

A: Molarity (M) of a solution is defined as the number of moles of solute present in the 1.0 liter of…

Q: Which of the following best describes the equilibrium constant, K, for this reaction?

A: Equilibrium is a condition at which both forward and reverse reaction occur at same rate. The ratio…

Q: To preview image click here For each pair of structures, which of A and B would have the larger…

A: Dipole Moment ~  It is a measure of the polarity of the molecule. direction both. It has magnetide…

Q: Draw a structure using wedges and dashes for the following compound: Et H- HO- H- Me -OH -H -OH

A:

Q: 9) What would be the major product of the following reaction sequence? i. Hg(OAc) H₂O PCC 11. NaB H4…

A:

Q: 9) Identify the most stable carbocation. A) B) C) D) n O CHCH₂ 40 CH₂CH₂ CH₂CH₂ CH₂CH₂Ⓒ CH₂CH₂

A: Carbocations are the species having positive charge on C atom.  The given carbocations are the…

Q: Sodium-24 is used for monitoring blood circulation. If 4.16 µg of sodium-24 has an activity of 36.3…

A: In radioactivity, disintegration of any sample per second is expressed by activity A.

Q: The number of particles in one mole of a substance is equal to what? Select all that apply.…

A: The number of molecules or atoms present in the one mole of the substance is equal to Avogadro's…

Q: Which of the following DOES NOT describe chirality? mirror images are superimposable should have…

A: The statement which does not describe Chirality given below.

Q: Which of the following bonds is most likely to be an ionic bond? O Na+ bonded to Cl- in salt OC…

A: • Covalent bond: Bond formed by sharing of electrons between the two atoms in a molecule and bonding…

Q: Which of the statement is INCORRECT? O a. The increase in stability of 2,4-hexadiene over…

A: In the case of conjugated dienes, the stability is influenced by both the presence of conjugation…

Q: If a sample contains 300 mg DNA in 0.25 mL, what is its concentration?

A: In the given question we have to calculate the concentration of DNA. Given data: mass of DNA = 300…

Q: Question 9 Select the term that best describes the relationship between the two structures, depicted…

A: In this question we have given two organic compounds and we have to explain the relationship between…

Q: Given the following half reactions with their corresponding standard reduction potentials, which of…

A: We know a redox reaction consists of both oxidation and reduction. For a spontaneous reaction,…

Q: Complete the statement below regarding C-C bonds (a) and (b) in the given structure. Bond (a) is due…

A: Hybridization = Number of sigma bonds + lone pair not involved in resonance

Q: Draw the structure of cis 1,3 dimethyl cyclohexane and trans 1,3 dimethyl cyclohexane and explain…

A: 1. Chair conformation 2. E2 Elimination reaction

Q: 7.22 Draw the structure of the transition state in each of the following SN2 reactions. a.…

A: We have find out the answer. Note ~ Since you have posted multiple questions, we will provide the…

Q: Predict the products of this organic reaction: + H₂O + HCI ? Specifically, in the drawing area below…

A: In presence of any acid (HCl) and h2o water ,amine hydrolysis takes place to form carboxylic acid…

Q: Write a balanced molecular equation for the reaction between aqueous sodium phosphate and aqueous…

A: Reaction between aqueous sodium phosphate and aqueous magnesium bromide.

Q: Add the appropriate formal charge to each atom in the molecule below. It is not necessary to…

A: The formal charge (FC) is the charge assigned to an atom in a molecule, assuming that electrons in…

Q: Question 4 Which of the following IR frequencies would be expected for cyclohexanone? Select all…

A: It is used by chemists to determine functional groups in molecules.

Q: Indicate whether each of the following compounds will give an acidic, basic or neutral s ammonium…

A: Given,The salts:ammonium iodide                  potassium hypochlorite        barium nitrate…

Q: QUESTION 4 Which of the following statements is true for XeF2? OA The molecule has two lone pairs on…

A:

Q: 2 CO₂(g) +9 H₂O(1)+12 Fe²+ (aq) C₂H₂OH()+12 OH (aq)+12 Fe³+ (aq) reduction: oxidation: -

A: The given reaction is to be balanced in acidica medium.

Q: What diene and dienophile would react to give the following Diels-Alder product? CN

A: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a conjugated diene and a…

Q: Describe each highlighted bond in terms of the overlap of atomic orbitals. (If the highlighted bond…

A: We have to identify the type of molecular orbital and atomic orbitals type to form that molecular…

Q: Draw the product of this reaction. Ignore inorganic byproducts. CI 1. NaNH2, A 2. H3O+ Drawing CI ✔

A: It is 1,2 elimination type of reaction.In elimination reaction 2 sigma bonds break and one new pi-…

Q: What nucleophile is required to produce this product? Select one: a. NaSH O b. OTS O d. e. t MgBr…

A: Nucleophilic substitution is an important organic reaction in which a leaving group is replaced by a…

Q: 10. Draw an example of how NaCl molecules dissolve in water through ion-dipole interactions.

A: When NaCl is dissolved in water it dissociate in its ions and get positive and negative charges .

Q: Consider the pair of reactions and product options provided below as you respond to the following…

A: A question based on the reaction mechanism. Two reactants are given for which the most appropriate…

Q: A fictitious element X has an average atomic mass of 122.199 u. Element X has two naturally occuring…

A: Given,the average atomic mass of element X = 122.199 uThe isotopic mass of most abundant isotope =…

Q: Which is the correct name for the following compound? xax…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.