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

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: 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: Show the three-dimensional states of carbon, oxygen and nitrogen atoms in the following molecules,…

A: It is asked to show the three-dimensional states of carbon, oxygen, and nitrogen atoms in 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: 10. What is the relationship between polarity and hydrophobicity, in general?

A: A question based on introduction to organic chemistry. A descriptive answer about the relationship…

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

A: