Determine the internal pressure in atmospheres (atm) needed for each of the 20 kernels to pop. Show complete solution.

Q: Explain different ways to induce recrystallization.

A: Recrystallization is a process in which the previously formed crystal were dissolved in a suitable…

Q: The pressure reads 10,800 Pa. Determine the altitude at standard atmosphere. SHOW THE COMPLETE…

A: Given,  The pressure reads 10,800 Pa. Determine the altitude at standard atmosphere

Q: What volume of a 18% (v/v) hydrochloric acid solution is diluted to produce 350 mL of a 5% (v/v)…

A: Given, initial Concentration befor dilution , C1 = 18%  After dilution, C2 .  = 5%  We need to…

Q: In each scenario, describe a step by step process in determining the unknown. Distilled water maybe…

A: Density =mass/volume. We have to determine mass and volume separately.

Q: This method of purification is applied when the purity has a lower vapor pressure than the purified…

A: the process in which a substance directly goes from solid state to gaseous state without going…

Q: How to prepare 2 liters of 0.1 N H2SO4 solution? (H2SO4; MA = 98 g / mol; 96% and d = 1.84 kg / l)

A: Given data, Molar mass of H2SO4 is 98 g/mol. Density=1.84 kg/L and 96% by mass. For find out the…

Q: Craw McGraw-Hill Education Campus Saved Ex. 1b - Mass/volume percent concentration - calculate using…

A: Volume of solution = 0.350 L  Mass of KCl = 13.0 g  We have to find m/v percent of solution.

Q: 2. Boil 1 L of distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle,…

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Q: Solute amount Solution volume Solution Concentration (Liters) (Molarity) (moles) 0.500 0.500 1.000…

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Q: Volume of concentrated reagant required to prepare diluted solutions below: 16 M H3PO4 to prepare…

A: Given Four different diluted solutions whose volume of concentrated reagent is to be determined.

Q: Table 11.10 (report)   Test performed Shift Direction of Equilibrium Heat solution   Cool the…

A: Le Chaterlier's principle is a principle that states that if any constraint is applied to an…

Q: #35 30.00ml of nitric acid(HNO3) with an unknown conecntration was placed into an erlenmeyer flask.…

A: This is an acid-base neutralization reaction. As calcium hydroxide is a dibasic solution it will…

Q: A 1. The capacity to undergo a change of physical form without A. Accuracy breaking B. Conductivity…

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Q: Define the term Solution Stoichiometry?

A: The term solution stoichiometry has to be defined.

Q: Draw an outline of the recrystallization process- Assume all types of Impurities(Soluble, Insoluble…

A: Recrystallization is defined as a technique which is used to purify the solid compounds.

Q: Fill in the words to complete the steps in the process of recrystallization. 1. Dissolve a substance…

A: Three questions based on recrystallization process, which are to be accomplished.

Q: 500mM K2Cr2O7 solution (0.500 mol/L) About 36.775 g of K2Cr2O7 (MM = 294.20 g/mol) was weighed on an…

A: given, the weight of K2Cr2O7 taken = 36.775 g the molar mass of K2Cr2O7 = 294.20 gmol-1 molarity of…

Q: The salt content was extracted from a 12.0000 g junk food sample. The extract was diluted to 100.00…

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Q: 25.0 g of sodium hydroxide is dissolved in 150.0 g of water. What is the % (mass/mass) concentration…

A: Given :-  Mass of sodium hydroxide = 25.0 g  Mass of water = 150.0 g  To calculate :-  %(mass/mass)…

Q: Identify the piece(s) of glassware you will need to accurately and precisely prepare  250.00 mL  of…

A: volume of stock solution required can be calculated as :    M1V1 = M2V2  2.50M X V1 = 0.100 M X…

Q: How Define Primary substance in Solution Preparation (Solid State)

A: Primary standard substance is a reagent that is very pure, representative of the number of moles the…

Q: pure liqu PB liquid x solution B Esure solid x liquid x (saturate»

A: Phase diagram is a graphical representation of the physical states of a substance under different…

Q: Which is not required in recrystallization? a. solution is filtered at high temperature b.…

A: Remember this point, recrystallization is used for purify the crude sample of compound so that all…

Q: Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%. Write…

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Q: Four different solutions were prepared in the laboratory. One was prepared by dissolving 28 g of…

A: Few questions based on mole concept, which are to be accomplished.

Q: Consider the steps involved in preparing a dilute solution from a stock solution. Arrange them in…

A: The dilute solution is prepared by using the stock solution of fixed volume which is then added with…

Q: Complete the table below. (Report all answers to 3 sig figs) Solute Solute Mass (g) Mol Solute KNO3…

A: The number of moles is counted by dividing the mass of the solution by the molar mass of the solute.…

Q: Calculate the final concentration when a 28.0 mL sample of 25% (m/v) sodium chloride solution is…

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Q: Four different solutions were prepared in the laboratory. One was prepared by dissolving 28 g of…

A: Since you have asked multiple questions, we will solve the first three sub-question for you. If you…

Q: Solubility Curve for KNO3 150 140 130 120 110 100 KNO3 90 80 70 60 50 40 30 20 10 10 20 30 40 50 60…

A: The solution is as follows :

Q: Express the concentration of a 0.0160 M aqueous solution of fluoride, F−, in mass percentage and in…

A: The molarity of the fluoride ion is = 0.0160 M The density of the solution is = 1.00 g/mL The molar…

Q: Describe the steps involved in recrystallization.

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: 100ml of sodium hydroxide  solution is required 20ml of 0.5 N sulfuric acid  solution to neutralize…

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Q: Concentrated sulfuric acid is 18.0 M. What volume is needed to prepare 1.0 L of 6.0 M sulfuric acid…

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Q: Suppose you have 5M NaCl stock solution and you perform a six-step serial dilution by taking 100 µl…

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Q: Prepare 2 liter of approximately 0.50M Nacl using solid NaCl

A: Given, Concentration of NaCl solution = 0.50 M = 0.50 mol/L Volume of the solution = 2.0 L…

Q: Rudolf has an 15mL extract from a plant sample. He took a 50.0 μL aliquot and diluted the solution…

A: From 15 mL extract of a plant sample, 50.0 μL aliquot is taken and diluted to 1 mL. Another…

Q: Dilute a 35.0 mL glucose solution from 2.26 M to 0.845 M, the final volume will be: O 93.6 mL O 70.0…

A: We know that,  V1S1 = V2S2  V1 = initial volume  V2 = final volume S1 = initial concentration S2 =…

Q: How many millimetres of 3.0 M H2SO4 are needed to make 450 mL of 0.10 MH2SO

A: The molarity is the concentration term defined as the number of moles of solute dissolved per liter…

Q: Calculate the mass (in kg) of solvent required to make 4.20 kg of a 2.20% sodium acetate solution by…

A: 1) Given : % by mass of sodium acetate = 2.20 % And mass of solution to be  made = 4.2 Kg = 4200 g…

Q: What is the theory behind recrystallization purifying a solid?

A:

Q: "Determine the molarity of a solution that contains 12.00 mol of HCl in 3.50 L of solution. Make…

A: Step1: Molarity is a concentration term. For any solution, molarity is explained as the number of…

Q: mass

A: For finding the mass of sodium hydroxide in 12 % by weight, we have to see what 12 % means.

Q: When excess solute is put into a liquid solvent, crystallization ceases when equilibrium is reached.…

A: Part a) We know that,  when equilibrium is reached in the solution, then the dissolved solute starts…

Q: These are characteristics of solvent used for recrystallization except: should react with the…

A: This technique is used for the purification of solid organic compounds  Preparation of the…

Q: A silver nitrate solution contains 29.53 g of primary standard AgNO3, in 1.00 L what volume of this…

A: We have to calculate the volume of solution  .

Q: The freezing point depression of a solution of glucose

A: Depreesion in freezing point (∆Tf ) and molaity (m) is related as  ∆Tf = i x Kf x m where  ∆Tf =…

Q: Arrange the following solutions from lowest molarity (on the bottom) to highest molarity (on the…

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Q: What are the steps in diluting high concentration of stock solutions into lower concentration…

A: During dilution, concentration changes but no of moles remain same. So, M1V1 = M2V2 Let-…

Q: 0.0001 0.8859 140 22.1214 What is the molarity of the fourth solution?

A: GIVEN Molarity Molarity (M) is the amount of a substance in a certain volume of solution. It is also…