A 61.0 mL portion of a 1.40 M solution is diluted to a total volume of 278 mL. A 139 mL portion of that solution is diluted by adding 151 mL of water. What is the final concentration? Assume the volumes are additive. concentration: .150 Incorrect M

Q: Name and draw a structural formula for the major product of each alkene addition reaction. O (a)…

A: In the given question, two reactions are given in which HI is added to the alkene and it is asked to…

Q: Gallium has an orthorhombic structure, with a0 = 0.45258 nm, b0 = 0.45186 nm, and c0 = 0.76570 nm.…

A: According to the question we have, ao=0.45258 nm=0.45258×10-7 cmbo=0.45186 nm=0.45186×10-7…

Q: A solution of toluene (C¬Hs) in 301 g of cyclohexane (C6H12) has a boiling point of 90.30 °C. What…

A: We know that when any solute is added to a solvent, the boiling point of the solution increases than…

Q: Which reaction yields hexan-1-ol? Select one: OA. OB. O C. O. D. ~ OH 1. LIAIH₁, THF 2. H₂O NaBH₁…

A: This question is related to reduction of aldehydes, ketones and carboxylic acids. LiAlH4 and NaBH4…

Q: Write the net ionic eqautiion for the following reactions. Steps in which the reactions takes place…

A: We have find out the net ionic eqautiion for the following reactions.

Q: What is the skeleton equation for Br2+AuF3 and what type of reaction is it ?

A: The given information is as follows: Br2 + AuF3 → ? The type of reaction = ?

Q: Freezing point depression can be used to experimentally determine the van 't Hoff factor of a solute…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Propose a sequence of reactions that efficiently converts the given starting material(s) to the…

A: In this question, we will convert the starting material terminal alkene to the product which is…

Q: Aa 43

A: Thinoyl chloride reacts with alcohols to form alkyl halides and sulphur dioxide and HCl

Q: Bismuth has a hexagonal structure, with a0 = 0.4546 nm and c0 = 1.186 nm. The density is 9.808 g…

A: According to the question, The ao = 0.4546 n, The co = 1.186 The density of the bismuth = 9.808…

Q: Complete these reactions, showing the stereochemistry of each product: (a) + Br₂ CH₂Cl₂ Complete…

A: A question based on alkenes. Three subdivisions are prescribed for which the respective addition…

Q: List the four colligative properties and whether they are elevated, depressed, or  remain unchanged…

A: Colligative properties are physical properties of a solution that depend on the concentration of…

Q: What is the osmotic pressure of a 300 mL aqueous solution containing 4 g of  Ca(NO3)2 at 25 °C?

A: Given : volume = 300 mL              Mass = 4 g       Temp = 25 °C

Q: 21. How many total atoms are present in 1.60 mol of sulfur dioxide? A) 9.63 X 1023 B) 1.54 X 1023 C)…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: What isomers do the following pairs represent, explain your answer? A. B. CH₂CH₂ H 3-4 CH₂CH3 cis 1…

A: Compounds with the same molecular formula but different structures are known as isomers.

Q: What environmental problems are associated with the manufacture of cement Check all that apply.…

A: Cement is a substance that on mixing with water forms a paste and hardens slowly. Generally, it is…

Q: For each of the four colligative properties, write the equation and name the unit of  concentration…

A: The colligative properties of a solution are properties that depend on the concentration of solute…

Q: W Exercices Calculate the solution of 0.01 kildgram of Chlovide in 250 grams of boiling point of a…

A: In the multiple questions, we solve only first question according to the Bartleby guidelines. Check…

Q: Estimate the mixing ratio of NO in the following condition: NOx = 30 ppb, 03 100 ppb, [M] = 2.5×1019…

A:

Q: What atoms are most organic compounds composed of?

A: This question is related to general organic chemistry. In the question, it is asked that organic…

Q: 5. A flask contains 0.023 M H2 gas at a pressure of 180 mmHg. Nitrogen gas (N2) is added to bring…

A: Dalton's Law: According to Dalton’s law, the total pressure of a mixture of gases is equal to the…

Q: An ethylene glycol solution contains 30.4 g of ethylene glycol (C2H6O2) in 94.4 mL of water. (Assume…

A:

Q: Which type of bond exists in each compound? КСІ 80 F3 O polar covalent bonds Oionic bonds Ononpolar…

A: Ionic compounds are generally formed between a metal and a nonmetal, while covalent compounds are…

Q: Initially 3 moles of A and 4 moles of B are placed in a 0.75 L flask. At equilibrium, there is 0.4…

A:

Q: 3. A sample of 3.8 moles of a single gas is placed in a 5.500 L tube at 85.0 °C. The density of the…

A: 3) Ideal gas equation is  PV = nRT  Where,  P is pressure of the gas  V is volume of the gas n is…

Q: When we combine two aqueous salts with the same anion: A. PRECIPITATE B. NO REACTION When we combine…

A: A precipitation reaction occur when cations and anions of two solutions in aqueous medium combine to…

Q: Identify the atomic and/or hybridized orbitals in the C-O sigma bond in propanal. H3C C H₂ O A. (2…

A: Answer: Hybridized orbitals of an atom always forms sigma bond, so in propanal we have to find out…

Q: Pentane (C5H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A: (b) Given that, vapour pressure of the pentane at 25oC is 511 torr. A solution is prepared by mixing…

Q: 1. You have been provided with the following solution: 0.2M NaOH and 0.2M acetic acid How much…

A: We are given with a solution of 0.2M NaOH and 0.2M acetic acid solution. We need to find how much…

Q: Ca(OH)2 (s) + H₂S(g) →→→ CaS(s) + 2H₂O(1) In the reaction above, calcium hydroxide and hydrogen…

A: As we know limiting reactant is the one that is completely reacts  in the reaction and the excess…

Q: d) H₂N H CH3 CH3 CI H Draw the Dash-Wedge Formula

A: The given diagram is Newman projection which is first convert to Sawhorse projection then to dash…

Q: Potassium perchlorate (KCIO4) has a lattice energy of -599 kJ/mol and a heat of hydration of -548…

A: Answer: When a salt is dissolved in water energy is absorbed during the break down of salt into its…

Q: 3. Show the mechanism for the major product that will be formed in this reaction. vilider2 lesibel…

A: This is the reaction of alkylation on bromobenzene.

Q: Addition of 1 mole of H2 to cyclohexene releases -28.6 kcal. Estimate the energy that should be…

A: The hydrogenation of cycloalkene refers to the addition of hydrogen atoms to the double bond of a…

Q: A similar chemical species is formed when Ba is in the presence of C and N, Ba(CN)2. Once again, all…

A: The octet rule is a basic principle in chemistry that states that atoms tend to bond in such a way…

Q: Please explain! Thank You Write a plan and theory with equations, pictures and calculations that…

A: Standardization in chemistry refers to the process of determining the exact concentration of a…

Q: a) Br + enantiomer

A: In given reaction we can see alkyl bromide is converted into cyclopropane ring. To get given product…

Q: Find the energies (E+) and forms of the o orbitals (4) in the HCI molecule using ß=-1.0 eV and S=0.…

A: Bonding molecular orbitals are formed by the combination of two atomic orbitals to produce a lower…

Q: Progesterone is the most important of the progestins that are responsible for preparing the uterus…

A: Conformation  Shape adopted by a molecule caused by the rotation around one or more single bonds

Q: 2) One of the rules in determining molecular formulas from mass spectroscopy is the nitrogen rule.…

A: 2) The molecular formula is an expression that defines the number of atoms of each element in one…

Q: 7. Н H₂C CH3 А

A: A cycloaddition reaction in which a diene reacts with a dienophile in the presence of heat and forms…

Q: How many atoms of Ca are in 2.00 mol of Ca? Show your work. Be sure each step is written out…

A:

Q: Use the phase diagram of Substance X below to find the melting point of X when the pressure above…

A: Melting :: Solid ----> Liquid Freezing :: Liquid ----> Solid Evaporation :: Liquid ---->…

Q: 4. How would you use ¹H NMR to distinguish between the following pairs of isomers? Selfosqe AMMO and…

A: Number of signals in 1H NMR = Number of sets of proton in different electronic environment

Q: A chemistry graduate student is studying the rate of this reaction: 2NH, (g)-N₂ (g) + 3H₂(g) He…

A: We have find out the rate law and rate constant of the given reaction.

Q: he physician has ordered 25mEq of potassium chloride in 1,000 mL of D5W IV. Available: KCL 20…

A: The required amount of KCl = 25 mEq Required volume of solution D5W = 1000 mL The available KCl has…

Q: Complete the following equation and express your answer with the correct number of significant…

A: The rules for significant figures in addition and multiplication are as follows:  Addition and…

Q: Find the mean free path values of N2 and O2 under these conditions O2 in air at 1.00 atm and 293 K;…

A: Solutions- Calculate the mean free path values for N2 and O2

Q: Which of the following pairs of compounds would you expect to form homogeneous solutions when…

A: Polar and nonpolar compounds: Polar molecule: in this molecules do not share electrons equally such…

Q: what is the purpose of adding concentrated sulfuric acid to a product after distillation? what…

A: Sulfuric acid (H2SO4) acts as a catalyst in various chemical reactions. As a catalyst, it increases…