A chemical reaction is found to follow second order kinetics with a rate constant, k = 0.0798 M-1 min-1. If the initial concentration of the reactant is 3.04 M, how long (minutes) does it take for the concentration to reach 1.89 M?

Q: A wood sample from an Egyptian tomb gave a C-14 activity per unit mass of 7.3 per min per g.…

A: we need to calculate the age of the wood sample in years.

Q: The concentration of an unknown acid solution with general formula H3A is to be determined by…

A:

Q: 0= Predict the product and provide a mechanism. 1. LIAIHI 2 ETOH NaBH₂ EtOH 1. CH₂M₂Br 2. EtOH

A: Note: As per our guidelines, we are supposed to answer only three subparts when multiple subparts…

Q: Choose the structure below denoting 2, 2, 6, 6, 7-pentamethylhexane O 1

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: What test will you use to differentiate Alkenes from alkynes? Explain.

A:

Q: An unknown metal crystallizes in a body-centered cubic unit cell. The edge length of the cell is…

A: In case of body-centered cubic unit cell, the relationship between edge length radius of atom is…

Q: Structural formula that includes a molecule of glycerol and fatty acids molecules This molecule is…

A: Lipids, protein, nucleic acid and carbohydrates are all macromolecules.

Q: If a system has 3.50×10^2 kcal of work done to it, and releases 5.00×10^2 kJ of heat into its…

A:

Q: 4. Consider the redox reaction below. Determine the oxidation number of each atom in the redox…

A: Answer:- This question is answered by using the simple concept of molar concentration. Then using…

Q: Write the net chemical equation for the production of aluminum from aluminum hydroxide and carbon.…

A:

Q: Chlorination of alkanes can produce a multitude of products. Determine the number of monochlorinated…

A: INTRODUCTION: Chlorination of 3-methylpentane gives mono-substituted and di-substituted product.…

Q: 4. Calculate the molarity of the unknown concentrated HCl solution provided in the hood. V₁ = 250 ML…

A: Molarity of a diluted solution is calculated by the dilution law. According to this, if M1 is the…

Q: The following structure is named by selecting the correct components for the IUPAC name. The…

A: Given structure find out the iupac name

Q: 4. Which of the following statement(s) is/are correct? (i) All substances (elements or compounds)…

A: This question is related to the thermodynamics. Thermodynamics is the branch of chemistry that…

Q: How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts completely…

A: Given, Concentration of AgNO3 solution = 0.15 M = 0.15 mol/L Volume of AgNO3 solution = 0.35 L mass…

Q: A    titration    of    H2SO4    with    NaOH.        They    finds    that    it    takes    19.87…

A: Given : MNaOH = 0.2091 M  , VNaOH = 19.87 mL               VH2SO4 = 15.00 mL  Tip : at end point…

Q: draw the structures for the following names

A:

Q: 8. The reaction below was carried out in a calorimeter initially at 22.0 °C. After 0.0180 g of iron…

A:

Q: A HNO₂/ NaNO₂ buffer system is to be constructed that is also 0.053 M in Al³+. What is the minimum…

A:

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

A:

Q: * Question Completion Status: QUESTION 4 Roaches for sale | C... For Sale/Trade/Wan... * Tarantulas…

A: This question is related to the atomic structure of hydrogen atom. Hydrogen is the first element in…

Q: QUESTION 5 If a student conducted this same experiment last semester, and collected the following…

A:

Q: Proteins 1 and 2 interact strongly. A significant part of the interaction is between the amino acid…

A:

Q: Please answer part A, B and C.

A:

Q: If 2.01 x 10[math]^{-3} mols of stomach acid is neutralized by the antacid, and the concentration of…

A:

Q: Which of the following is the stronger acid? HỌ–CH, I HỌ–CH=CH II Note: HO- proton is the most…

A: Compound is said to be strong acid if it easily released H+ ion when dissolved in water .

Q: A 70.0 mL solution of 0.550 M Pb(NO3)2 was mixed with 55.0 mL of 0.600 M Na3PO4, resulting in the…

A: Given reaction: We have to find the molecular weights of Pb(NO3)2, Na3PO4, and Pb3(PO4)3. Also, we…

Q: Use differentials to estimate the amount of aluminum in an enclosed aluminum can with diameter 8.0cm…

A:

Q: What is the pH of a 0.0035 M Ba(OH)2 solution?

A:

Q: The distribution constant, Kp, for compound A between toluene and water is 6.35. What is the…

A:

Q: A 23.2 mL sample of 0.279 M trimethylamine, (CH3)3N, is titrated with 0.247 M hydrobromic acid. At…

A:

Q: Sort the following titrations in order of increasing pH at the equivalence point. Question list (5…

A: Titration of a weak acid(HA) with a strong base produces a conjugate base(A-). Hence the solution…

Q: Complete and balance the following reactions - assume they all go a. hydrogen gas plus nitrogen gas…

A: Hydrogen gas symbol is =H2(g) Nitrogen gas symbol is = N2(g)

Q: What is K for a reaction if ∆G° =-180.3 kJ/mol at 25°C (or 298 K)? (R = 8.314 J/mol ･ K)

A:

Q: A solvent is added to a powdery pure solid in a beaker and stirred but not all of it dissolves.…

A:

Q: The observed intensity of light (I) after passing through the sample cell is 0.176 of the initial…

A:

Q: What is the value of ? for this aqueous reaction at 298 K? A+B↽−−⇀C+D Δ?°=26.98 kJ/mol

A: Given: ∆Go=26.98 kJ/mol Temperature = 298 K

Q: HHHH H-C-C-C-C-H T HHHH These two are chain length isomers. optical isomers. structural isomers.…

A: Answer: Two compounds those have same molecular formula but different structural or spatial…

Q: Given each pair of compounds below, CIRCLE the one you would expect to elute from a silica…

A:

Q: Percent Water in a Hydrate Data Table #28 White, grainy, crystal, like sugar/ Salt Unknown Number…

A:

Q: Which of the following are safe and effective techniques for drying organic solids recovered from a…

A: We know, drying techniques are the most important for organic compounds to be recovered in solid…

Q: Chemistry For ideas on how to solve the question, check google for the Lecture notes of Profs. David…

A:

Q: Draw the structures of the products of these reactions, show the mechanism.

A: When benzoyl chloride treated with propyl alcohol in pyridine then ester is formed as -

Q: Calculate the mass of butane needed to produce 48.4 g of carbon dioxide. Express the mass of butane…

A: Given, mass of carbon dioxide (CO2) produced = 48.4 g mass of Butane (C4H10) needed = ? Note:  molar…

Q: 2. Radioactive cobalt-60 is used extensively in nuclear medicine as a y-ray source. It is made by a…

A: A question based on nuclear chemistry that is to be accomplished.

Q: Minimize the structure of cyclooctane. How many protons on each face of the molecule are involved in…

A: Given Cyclooctane

Q: Determine whether each reactant gains or loses electrons to form an ionic compound. Mg(s) + S(S)…

A:

Q: A pure compound has a literature melting point of 136 °C.  In the laboratory, three different…

A: Melting point of a compound helps in the identification of purity of the compound.

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

A:

Q: REACTION TABLE: Write a balanced chemical equation for each of these reactions. Remember to write…

A: A question based on general chemistry that is to be accomplished.