Q: How to determine the difference between primary , secondary and tertiary alcohol in the laboratory
A:
Q: Br2, H20 c) DMSO (solvent)
A: . IT IS AN ADITION REACTION(HaloHydrin formation reaction) .UNSATURATED…
Q: 8) NH2 ether, 10 % NaOH Step 1 ether NH 6 M HCI Na,SO.. gravity filtration vacuum filtration aq…
A:
Q: Explain the stages of the formation of crude oil and gas in a flow chart.
A: The stages of the formation of crude oil and gas
Q: why is it necessary to use decarbonated cola?
A: To do titration of cola we need decarbonated cola.
Q: You have a solvent mixture of acetone (b.p. 56 ° C) and methyl alcohol (b.p. 65 ° C), what kind of…
A: Solvent mixture of acetone (b.p. 56°C) and methanol (b.p. 65°C) , their boiling points are close to…
Q: How can you separate a mixture of sawdust and powdered salt? mix properly with water, filter, and…
A: Salt mixes with water and forms a homogeneous mixture. Sawdust does not mix with water. It is…
Q: D. Solvent Extraction Samples Upper phase Lower phase Oil + Water Kerosene + Oil
A: Solvent extraction or liquid-liquid extraction is a technique in which the mixtures of compounds are…
Q: PPb contains 1 part of solution per 10° parts of solvent. True False
A: Answer PPb contains 1 part of solution per 109 parts of solvent We know…
Q: What does the process of recrystallization accomplish? 1) Place toxic chemicals into pure materials…
A: Recrystallization is the process of purification of organic compounds. Hence, the process of…
Q: Classify the pootic, Apootic and Amphipotica following solvents as (i) CHcl3 () CH3 C00 H (iv) Hz…
A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…
Q: 9. Boiling stones are added to the liquid to: a. accelerate purifying. b. catching impurities. c.…
A: Given Boiling stones are added to the liquid
Q: What is solute and solvent in pickling liquor solution? and what type of solution is it?
A: A pickling liquor solution is the mixture of water , vinegar, sugar , ginger, bay leaves, table…
Q: Measure 55 mL of 40% ethanol Place 50 mL of ethanol in your distilling flask taking care that no…
A: The separation of mixtures of two liquids with different boiling points, such as alcohol and water…
Q: Weigh out 5g of table salt. Dissolve it in 50mL of distilled water in a container using a stirrer…
A: Given information is as follows: The mass of table salt = 5 g The volume of distilled water = 50 mL…
Q: hich type of distillation is suitable for "less drastic conditions"?
A: Distillation It is a separation technique that can be used to either increase the concentration of…
Q: unsaturated solution
A: Solubility is the maximum amount of solute which can be dissolved in specific amount of solvent and…
Q: A 551 ml container of 70% (v/v) Isopropanol (rubbing alcohol) contains how many mL of isopropanol?…
A: The volume of isopropanol is to be calculated
Q: Materials 600 ml purified water 10-12 tablespoon of powdered milk (preferably BearBrand) 50ml…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: During recrystallization process, if your solution has come to room temperature and no crystals have…
A:
Q: What type of distillation set up is in the picture? A Simple distillation Steam distillation
A: Given distillation set up,
Q: Information about a Water Sampler
A:
Q: Melting point started 54 and stopped 59 did you successfully make benzamide
A: The question is based on the concept of experimental chemistry. we have to predict whether…
Q: When heating a solution to boiling on a hot plate, start by ____________ a. preheating the…
A: The hot plates are the devices, which are used in laboratories either to directly heat in a…
Q: The process of Distillation is able to concentrate ethanol because: a. the boiling point of…
A: Liquid ethanol can be separated from a mixture of ethanol and water by distillation.
Q: Describe how to create a 3.0 mL sample with concentration of 1.5 x 10-4 M from a starting stock…
A: Dilution Dilution process is the process to change (decrease) the concentration of solution in…
Q: boiling stones added to the 400 mL boiling water bath
A: The boiling point of water is constant, it does not change on the addition of stones.
Q: Which liquid between Mineral oil, n-octanol and Dimethicone spreads the best and which one the…
A:
Q: What lab equipment is used to manually stir solutions? thermomoter
A: In chemical laboratory various equipments are used these equipments are called apparatus In any…
Q: Why should you wash your crystals in ice cold solvent after recrystallization? a. Ice is polar, so…
A:
Q: Q: assume citrix acid makes up 7.96% by volume of the lime juice . How many moles of citrix acid…
A:
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: How much sterile water will you have to add to the concentrated solution you calculated from problem…
A: The question is based on the concept of solutions. Molarity is a method of expressing…
Q: Vacuum distillation is useful for thermally unstable compound. False True
A: vacum distillation is not useful for thermal unstable compounds.
Q: Describe a procedure "fix" to solve the following recrystallization problems: A. No crystals are…
A:
Q: 1. `CO,Me Cul/Et2O (solvent) (another way to make a cuprate) 2. H3O* (workup)
A: Positive charge density on alpha beta unsaturated ketone is higher compare to ester group and hence…
Q: In a test tube, dissolve 10 drops of methanol in 3 ml. of water. Oxidize a copper wire spiral by…
A:
Q: To what volume should you dilute 45.00 ml of a 6.00 M nitric acid solution to produce a 2.25 M…
A: Given: Volume of initial solution is 45 mL. Molarity of initial solution is 6.00 M. Molarity of…
Q: DO in mg/L at Different Saturation Level 100%sat 80% sat 60% sat 40%sat 20%sat Temperature (a) (d)…
A: The amount of dissolved oxygen (DO) depends upon various factors like temperature, salinity and…
Q: A 0.200 M K2SO3 solution is produced by A) diluting 250.0 mL of a 1.00 M K2SO, solution to 1.00 L B)…
A: To know how to make 0.200 M k2SO3 Solution , we have to use the Dilution formula. M1 × V1 = M2 × V2…
Q: Aromatic Water Poppermint water (Simple solution method) Formula Poppermint ol, Purifled water, To…
A: Answer - peppermint water - Procedure - (1) forming a carrier solution after mixing proper amount of…
Q: How many milliliters of 18.2 M H2SO4 are needed to prepare 600.0 mL of 0.10 M H2SO4?
A:
Q: A student measured the melting point range of an unknown solid to be 81.9 to 82.3 degrees celsius.…
A: a) The range of melting point given is 81.9˚C to 82.3˚C. Since this range is very small (< 2˚C),…
Q: cooking utensils
A: Dear student I have given answer to your question in the image format.
Q: Bad2b0-1be8-11e8-8a14-e5ed980bc25f/session cional Distillation Fractional distillation separates a…
A: Fractional distillation ia used to separate the complex mixture of miscible liquids.
Q: Compare the percentages of water for each trial? Are they close to one another? Why/why not?…
A: Given: percentages of water for each trial: trial 1 = 28.6% trial 2 = 29.8% trial 3 = 24.8% trial 4…
Q: Would a thermoset polymer exhibit much plastic strain? Explain why or why not in 1-3 bullets.
A: A question based on thermosetting polymer, which is to be accomplished.
Q: 12. table sugar 13. grain alcohol 14.rubbing alcohol Isopropyl alcohol 15.nail polish C12H22011…
A: The solution of the question is given below:
-
A. emulsion
-
B. aerosol
-
C. solid aerosol
-
D. foam
-
E. solid emulsion
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- This means the resulting mixture looks like a ____________liquid no matter how much ethanol or water is added..Pour point define as - A Lowest temperature at which fuel will flow under cooling. B-Lowest temperature at which fuel will flow under heating. A - Depends on source of crude oil and less on the refining process B - Not Depends on source of crude oil and less on the refining process. O O Sulphur content - 54 O .Ash content is - 55 A - organic material in fuel O B - Inorganic material in fuel ONinety-five to 98 percent of the alcohol consumed is___________ to carbon dioxide and water.
- Carbonate , or temporary hardness, is caused by bicarbonates of ________________.A. calcium and potassium B. iron and manganese C. sodium and magnesium D.Ca & Mg.Pour point define as - 26 O O Sulphur content - 27 A - Lowest temperature at which fuel will flow under cooling. B - Lowest temperature at which fuel will flow under heating. A Depends on source of crude oil and less - on the refining process B - Not Depends on source of crude oil and less on the refining process. .Ash content is - 28 A - organic material in fuel O B - Inorganic material in fuel O OA saturated solution ________.
- best coulity solution.Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 60. What is/are the purpose/s of heating sodium carbonate in 270°C for one hour before using it in the standardization of hydrochloric acid? 1. To remove carbon dioxide that is generated during the neutralization reaction II. To remove moisture III. To convert sodium barbonate to sodium bicarbonate a. I, II and III C. I only b. II only d. II and III 61. The process by which the exact concentration of a solution is determined: a. Dissolution C. Standardization Titration b. Neutralization d. 62. The function of Quality Control include the following, except: a. C. Analytical control Planning b. Auditing d. Inspection controlWhich one hardness type that remain .after boiling process Temporary hardness. O Permanent hardness. O
- An ionic bond forms when _____________________.a. atoms share electronsb. positively charged and negatively charged parts of polar covalent molecules attractc. ions with opposite electrical charges attractd. two atoms exchange protonsA ____ is a molecule which makes water coat a surface or dilute thick blood more readily. surfactant coagulant antipolymerant vehicleThe rotovap works to efficiently evaporate solvents by ________. reducing pressure heating spinning vibrating Reducing pressure, heating, and spinning Reducing pressure, heating, spinning, and vibrating