How to balance centrifuge with odd number of vials with no balancing vials. Given 24 slots, with 7, 9, 11, 13, 15, 17, 19 vials.

Q: The arrow in the structure points to a bond that is formed by   a. overlap between s and sp2…

A: we have to determine the orbitals involved in the overlapping for the bond shown by arrow

Q: Sketch a titration curve of the amino acid isoleucine with pH on the y-axis and volume of titrant on…

A: Let the titrant added be NaOH (in mL) which is plotted on the x-axis and the pH on the y-axis.…

Q: CBr4, CH3Li Et₂O -A C15H24Br2 CH3Li C B What is A? Draw three-dimensional representations of the SM,…

A: Organic reaction mechanism

Q: Florence is only able to find 0.015 M aqueous KI/I2 on the reagent cart, so they perform a dilution…

A: KI/I2 in water is known as Lugol's iodine or aqueous iodine.This is made by adding water in KI and…

Q: Which of the following is NOT a valid resonance structure for anionic compound X? 10 (A) (B) X (C)…

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Q: V culate the amount of heat needed to melt 125. g of s gnificant digits. Also, be sure your answer…

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Q: 3. a. If "Epsom salt", MgSO4. xH₂O, is heated to 250 ° C, all the water of hydration is lost. Write…

A: Epsom salt = MgSO4. xH2O xH2O is the water of crystallization attached physically to the salt.   a)…

Q: 5. Consider the following reaction and answer the questions which follow. [Zn(H₂O)]²+ + 4 NH3 =…

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Q: Do you have a solution, can you write on the paper. Thank you

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

Q: Question 5 Consider the following reaction at equilibrium: C(s) + H₂O(g) = CO(g) + H₂(g) If more…

A: Given -> C(s) + H2O(g) <------> CO(g) + H2(g)   ∆H = 131.3 KJ

Q: Chemistry state what would be observed when an aqueous solution of zinc tetraoxosulphate (vi)…

A: The solution of zinc tetraoxosulphatei (vi) is prepared from copper (ii) tetraoxosulphate (vi)…

Q: 2. Calculate the volume of the salt and the acid to be used in the preparation of 200 ml of the…

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Q: skip if you already did this otherwise downvote

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Q: B. Name the following organic compounds: 19. 16. 17. 20. 18. C

A: According to the bartleby guidelines. I can solve only first three subparts of the multiple…

Q: The diameter of a red blood cell is 6×10−6m6×10−6m. How many centimeters is this

A: As we know,           1m = 100 cm = 102 cm.

Q: A 2.5 moles sample of perfect gas at 35.6°C is isothermally expanded from 30.0 dm³ to 70.0 dm³. (a)…

A: It is given that, Number of moles = n= 2.5 moles  Temperature = T = 35.6oC = (35.6+273.15)K = 308.75…

Q: Exercise (1) A laser used in eye surgery to fuse detached retinas produces radiation with a…

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Q: The (R, R) isomer of methylphenidate (Ritalin) is a treatment for attention deficit hyperactivity…

A: The (R, R) isomer of methylphenidate (Ritalin) is a treatment for attention deficit hyperactivity…

Q: Define acids and bases using the Arrhenius, Bronsted-Lowry, solvent-system, and the Lewis concepts

A: Acid and bases are defined based on the protons, hydroxide ion, and lone pair acceptor/doner in the…

Q: Account for how steric effects affect acid-base strength

A: STERIC EFFECT:- Effect on the molecule due to size of group. •Due to size bigger size of group it…

Q: Review the history of acid and base concepts

A: Here is given to describe about the history of acid and base concepts.

Q: In general = TOP =T T What is gas? Α. Ο au av D. au av T P = RT Vm-b B. for a van der Waals RT a…

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Q: Compare the boiling points of the various isomeric hydrocarbons shown in the table below. Notice the…

A: The intermolecular force of attraction that is present in hydrocarbons is London or Dispersion…

Q: lodide (atomic mass 126.9 g/mol) in water was determined by the Volhard method. A 20.00 mL aliquot…

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Q: When heated, KClO3 decomposes into KCl and O2. If this reaction produced 52.6 KCl, how many grams of…

A: Potassium chlorate decomposes into potassium chloride and oxygen gas on heating. The equation for…

Q: What is the basis for the separation of different compounds by ion ex- change?

A: Ion exchange chromatography is an analytical technique that is used for the separation of ions and…

Q: 1. Osmium metal, the densest element, has a density of 22.6 g/mL, while hydrogen, the least dense…

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

Q: A self-contained underwater breathing apparatus uses canisters containing potassium superoxide. The…

A: The given reaction is as follows: 4KO2(s) + 2CO2(g) → 2K2CO3(s) + 3CO2(g) The volume of CO2 = 12.4 L…

Q: How many grams of glucose (molar mass=180.16 g mol-¹) must be dissolved in 201 g of water to raise…

A: Elevation of boiling point is a colligative property. It doesn't depend on the nature of solute. It…

Q: How many red blood cells are needed to make a line 1 in.in. long?

A: In this question, we have to find how many red blood cells are needed to make a line 1inch long.

Q: Using both drawings and words, explain why ethene's carbon-carbon bond is shorter than benzene's…

A: The distance between nucleus of two atoms which are combined chemically with each other. It depends…

Q: Identify the two mass balance equations for a 0.50 M solution of sodium hypochlorite, NaOCI. 0.50 M…

A: Mass balance equation :

Q: what is the species being oxidise and reduced? what is the reducing agent and oxidation agent?

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Q: 4. Consider a reaction vessel filled with the gases, H₂, I2 and HI at 298K under the following…

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Q: B. Name the following organic compounds:

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: The following fictitious unbalanced REDOX reaction is made of some teachers initials and some…

A: Answer: Given reaction is a redox reaction and to balance it we will use ion-electron method.

Q: How do I calculate the volume I recorded with a 10 mL pipet?

A: To calculate the volume of a pipet ,first we have to know the rules of pipetting to minimize the…

Q: container at a pressure of 225 kPa, and the temperature decreases from 125 °C to 21.0 °C. What is…

A: Gas laws were developed to realize that relationships between  temperature, pressure and volume.…

Q: Consider the equilibrium system described by the chemical reaction below. At equilibrium, a 1.5 L…

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Q: The pressure above a pure sample of solid Substance X at -200. °C is raised. At what pressure will…

A: Initial state is solid. Initial temperature, T = - 200 + 273.15 = 73.15 K  The pressure is raised…

Q: Pre-Laboratory Question 1. Define density. Density is defin ined as a mass substance to the volume…

A: Given -> Initial volume= 15.35 ml Final volume= 22.76 ml Weight of marble = 19.060 gm

Q: From the graph of Density vs. Concentration, created in Graph,  what was the relationship between…

A: According to the plot  For sugar concentration 5% the density of sugar solution is 1.08 g/ml  For…

Q: Q9. Consider the equilibrium for the transesterification reaction. H₂SO4 triacylglycerol +…

A: The given reaction is…

Q: B. Name the following organic compounds: 16. 17. 18.

A: Kindly repost 19 & 20

Q: Compute for the sum/difference/product/quotient, then let the final answer follow correct…

A: Compute the sum/difference/product/quotient, with final answer follow correct significant figures.

Q: alculate the freezing point of a solution of 1.82 g of NaCl in 152.2 g of water.  Kf for water is…

A:

Q: As mentioned during the lecture, a higher atmospheric concentration of carbon dioxide leads to lower…

A: To find out the pH of the rain water given that the atmospheric concentration of carbon dioxide is…

Q: Direction: Bond the following elements by drawing its bonding representation as shown on the first…

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Q: How many decigrams are in 4.6 decagrams

A: Decagram is a a unit of mass equal to 10 grams and decigram is a a unit of mass equal to 0.1 grams.

Q: OCH3

A: sp3 hybridization is  the mixing character of one 2s orbital and three 2p orbitals for the formation…