half-life of 25.3 s. How long does it take for the concentration of the reactant in the reaction to fall to one-eighth of its initial value? Express the time to three significant figures and include the appropriate units. and then part b is attached.. thank you, I hope someone can help me

Q: Part A ▾ It takes 53.0 J to raise the temperature of an 9.80 g piece of unknown metal from 13.0°C to…

A: A.) We would use thermochemistry formula to calculate specific heat.  C.) Specific heat can be…

Q: For the following compounds, please estimate the order of a) increasing London dispersion forces, b)…

A: The concepts used here us from organic Chemistry. We have given 3 compounds and we have to tell the…

Q: If the K₂ of a monoprotic weak acid is 5.3 x 10-6, what is the pH of a 0.18 M solution of this acid?…

A:

Q: 3. Which of the following is the BEST document where a laboratory technician can read the…

A: While working with chemicals in labarotory , one should cautiously handle the chemicals ,and read…

Q: Depending on the conditions, manganese (Mn) can exhibit different crystal structures. Under certain…

A:

Q: What is the long-hand electron configuration of tantalum, Ta?

A:

Q: e) Draw the Lewis Structure for HS Name of Compound: g) Draw the Lewis Structure for CINO Name of…

A:

Q: Directions: Below are five chemical compounds. In the first column, determine the type of…

A: Intermolecular force: Intermolecular force can be defined as a force that could be occurred between…

Q: What is the solubility of La(IO3)3 in a 0.2 M solution of Mg(ClO4)2 if we do a molar concentrations…

A: Given data, The solubility product La(IO3)3 is Ksp = 1.0×10-11. We have to calculate the solubility…

Q: Question 1: How many p orbitals are involved in bonding in the structure in Figure 1? [The answer is…

A: Here we have to determine the  number  of p orbitals involved  in bonding  in the following given…

Q: Write a balanced reaction for the oxidation of methol.

A: A redox reaction is balanced by balancing the mass and charge. Hence the number of atoms of all the…

Q: How long would it take, in minutes indium 117 to decrease from 84.0 mg to 10.5 mg

A:

Q: Relationship between intermolecular forces and pressure.

A: Matter has total 5 type of states out of which three are studied mostly i.e. solid , liquid and…

Q: What is the weight percent of toluene in a mixture of toluene and n-heaxne that has a spevific…

A: Here we have to find weight percentage of toluene in a mixture of toluene and n- hexane . And given…

Q: α-Polonium (α-Po), one allotrope of polonium, crystallizes in a simple cubic arrangement with a…

A: Polonium is a solid. We have to calculate density of a solid polonium. While calculating density of…

Q: Calorimetry & Specific Heat Guide Questions: 1. Why is it required to tap the hot metal with a…

A: Calorimetry is the technique of measuring the energy changes of the system in contact with the…

Q: 1. The sugar glucose contains C, H, and O and has a mass of 180.0634 amu as determined by…

A:

Q: Four liquids are described in the table below. Use the second column of order of their boiling…

A: In this question, we have to match the columns with the given data of the solution.

Q: 4. 5-ethylcyclohex-2-en-1,2-diol 10. 3-ethyl-2,3-dimethylpentanamine

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2.9 Identify the stronger acid in each pair of compounds. (a) T I You H H (b) اشات

A: (i) (a) tert-butyl alcohol       (b) water (H2O) (ii) (a) Ammonia (NH3)        (b) Acetylene

Q: What substituents are attached to the parent chain of the compound below OA. Two ethyl groups OB.…

A:

Q: 15. Acetone, formula C.H.O. is an organic compound found in some solvents, and is also produced by…

A:

Q: 6. For a particle in a box of length L, what is the probability the particle will exist between x =…

A: To calculate the probability, we would use wavefunction of particle in 1-d box of length L .  The we…

Q: On this page just do number 12

A:

Q: Select the compound that has the highest boiling point, based on that compound's dominant…

A: Answer: Value of boiling point is depends on the strength of intermolecular forces. Higher the…

Q: Rank the following compounds from most acidic to least acidic. Rank the compounds from most acidic…

A: Given following species for arranging acidic order:

Q: Arrange Cu,Ag, and Zn in order of their activities, listing the most active first. Explain how you…

A: Electrochemistry is a branch of chemistry in which way did oxidation and reduction potential of…

Q: ich of the following orbital diagrams represent the ground state configuration for a neutral ated…

A: Electronic configuration can be defined as the arrangement of electrons in the orbitals of an atom.…

Q: A possible product of chlorine gas added to 3-methylhaxane is: O hexane O 3-chloro-3-methylhexane O…

A:

Q: 1. Broken glassware can be disposed of into the general waste trash bin. II. General waste includes…

A: The main purpose of management of waste is to reduce pollution of environment. Wsste is also managed…

Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.0110 M solution. The pH of the…

A:

Q: 8. Vanilla ice cream is made with vanillin (C8H8O3), which grams of vanillin in a scoop of vanilla…

A:

Q: EMS: Provide solution to the following questions and your final answer. te equilibrium constant…

A: Equilibrium can be defined as the state of reaction at which rate of forward and backward reaction…

Q: A protein is 600 micromole per liter. The molecular mass is 68,500 g/mol. What is the…

A:

Q: What is the rate law for the following mechanism in terms of the overall rate constant k? Step 1: A…

A: according to the bartleby guidelines i am answering the first one only, please repost remaining…

Q: Example: What mass of solid aluminum sulfide can be prepared from the reaction of 10.0 g of aluminum…

A: 10.0 g of aluminum reacts with 15.0 g of sulfur to produce solid aluminum sulfide .We have to…

Q: Complete acid-base reaction by providing conjugate acid-base pair that forms then use + C=N OH "NH₂…

A: Acid-base reaction of an amide with cyanide (CN-),

Q: Check201.2! Directions: For each of the following molecules, determine the number of carbon atoms…

A:

Q: If the rate constant of a reaction is 5.8 x 10-3 s1, what is the concentration after 10 seconds if…

A:

Q: Draw the product of each of the following Diels-Alder reactions, showing stereochemistry if present.…

A: The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to…

Q: I. Approved PPES should be worn whenever inside II. Approved PPES include plastic gloves. goggles…

A: PPE serve as protection Apparatus  for saftey of  an individual working in the laboratory as well as…

Q: 1. Which of the following is the positive result of sulfur? O WHITE PRECIPITATE O BROWN-BLACK…

A: Sugar is an organic compound.Organic compounds are compounds that contain carbon and hydrogen…

Q: 2 What is the local geometry of nitrogen in the following compounds-trigonal pyramidal or trigonal…

A:

Q: Which of the following represents the proper short-hand form electron configuration of titanium, Ti,…

A: we have to write the electron configuration of Ti in short hand notation

Q: You are to make 90.0 mL of a 0.27 M buffer @ pH 7.20 using the acid form of the Good's buffer EPPS…

A: Given Volume of buffer Solution = 90.0 mL Molarity of Solution = 0.27 M M.W. of EPPS = 252.332 g/mol…

Q: Question: 72 g of CaCO3 is treated with 0.500 L of a 1.00M solution of HCI. What volume of CO2 gas,…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: How do I figure out the names of element formulas like for example, OsO2, CoCO3, Cu2S, etc

A:

Q: C6H14 C₂H6O C₂H₂O₂ (4 constitutional isomer) (1 constitutional isomer) (4 constitutional isomer)

A: Constitutional isomers: Constitutional isomers are defined as the isomers which have same molecular…

Q: The molar heat of solution for NaOH (s) is -44.6 kJ/mol. If 25.0 g of NaOH (s) is dissolved in water…

A: • Given,                      The molar heat of solution for NaOH (s) is -44.6 kJ/mol. If 25.0 g…

Q: Given the decomposition reaction: 2C1O2(aq) Experiment [CIO₂], (in M) 0.0114 0.0228 0.0114 0.0228 1…

A: