Q: Using the information below, calculate the percentage w/V of lidocaine (MM (234-34 g/mol) in…
A:
Q: Mangrove bark is extracted by treating the finely ground wood with hot water. The original bark…
A: Given: original bark contains- 7% moisture 33% tannin 20% soluble non-tannin Residue…
Q: Wet air containing 4.0 mole% water vapor is passed through a column of calcium chloride pellets. The…
A: MOLES: In chemistry, one mole is used to calculate the number of atoms or molecules present in a…
Q: Consider a soil with bulk density of 1.43 g/cm3 soil. Sampling the top 7 inches of this soil and…
A: Cation Exchange Capacity (CEC) Cation exchange capacity (CEC) is a fundamental soil property used to…
Q: Feed gas containing of 78.5mol % H₂, 21% of N₂ & 0.5% of Ar is mixed with recycle gas and enters a…
A: NH3 is produced by Heber's cycle. Material balance method used here.
Q: Consider a soil with bulk density of 1.43 g/cm3 soil. Sampling the top 7 inches of this soil and…
A: Cation Exchange Capacity (CEC) Cation exchange capacity (CEC) is a fundamental soil property used to…
Q: Sodium carbonate is recovered as decahydrate from 1000kg of 5% solution of sodium carbonate in…
A: 1.
Q: Calculate the total mass of precipitable water (the answer in tons) in the saturated air column 9.5…
A:
Q: A 0.512 g sample of a commercial phosphate detergent was ignited at a red heat to destroy the…
A: You have the weight of the final residue, its molar mass and theamount of phosphorus in it. Assuming…
Q: Fine aggregate sample was tested to find its physical properties. The test results were as follows:…
A: Given data: Bulk specific gravity is G=2.45 Apparent specific gravity is Gm=2.5 Mass of vessel full…
Q: A feed mixture containing 50 wt% n-heptane and 50 wt% methyl cyclohexane (MCH) is to be separated by…
A:
Q: A solution containing 100 lbm KNO 3/100 lbm H 2O at 80°C is fed to a cooling crystallizer operated…
A:
Q: Oil seeds containing 49% oil, 40% pulp, 3% mineral salts and the rest moisture are leached with…
A: Solution -
Q: 4. A flash chamber operating at 50 °C and 200 kPa is separating 1,000 kg moles/hr of a feed that is…
A: Solution
Q: A mixture of methane and air is capable of being ignited only if the mole percent of methane is…
A: Given: Mole percentage of methane= between 5% and 15% Number of mole of methane= 9.0 mole Flowing…
Q: 1. A labelled flowchart of a continuous steady-state two-unit process is shown below. Each stream…
A: A labelled flowchart of the steady state process is given. The mass flow rate of inlet stream is 100…
Q: what is the purpose of BSC Level 1 & 2, proper layout, performance, and its application in biosafety…
A: Biosafety labs deal with infectious diseases.when workings with infectious materials, proper safety…
Q: The interfacial energy γoil-water of an oil – water interface at 25 oC is 53 mJ/m2. The surface…
A: The ability of one liquid to spread over the other liquid is known using spreading coefficient. For…
Q: 4. A 0.1475-M solution of Ba(OH)2 was used to titrate the acetic acid (60.05 g/mol) in a dilute…
A: Given data :- Molarity of Ba(OH)2 solution = 0.1475 M Molar mass of Acetic acid = 60.05 g/mol
Q: A wet gas is produced through a two-stage separator system. Separator conditions are 580 psia and…
A:
Q: a feed containing equimolar amounts of methanol and water is mixed with 10 moles of a 40% mol…
A: The flow sheet for given question is shown below, The overall material in mixer unit is calculated…
Q: State the process that is used to separate kerosene and diesel fuel. State the operating conditions…
A: 1) The mixture of kerosene and diesel fuel are miscible with each other.
Q: H.W. Fine aggregate sample was tested to find its physical properties. The test results were as…
A:
Q: 2. Tungsten is commonly produced from wolframite ores consisting of 6% FeW04, 4.7% MnW04, 1.01 %…
A: The given process is the purification for the ore of the tungsten. The process is followed in many…
Q: You would like to operate a gasifier with biomass feedstock CHαOβ. The proximate analysis on a dry…
A: Let us,assume the biomass amount =100gm Amount of carbon=50gm Amount of hydrogen=10gm Amount of…
Q: A mixture of methane and air is capable of being ignited only if the mole percent of methane is…
A: Given: air flow rate = 1300 kg/hr mole percent of methane = 6.00 mole % moles of methane in mixture…
Q: Separations of solids, liquids and gasses are required in nearly all chemical process. These…
A: Mass transfer is the net flow of mass from one position to another, typically a stream, process,…
Q: concentrated H2SO4 has the following composition specific gravity 1.84 and purity of H2SO4 is 97…
A: Calculation of concentration of the solution in molarity (mol/L) with known values of density,…
Q: Wet sugar that contains one-fifth water by mass is conveyed through an evaporator in which 85.0% of…
A: Wet sugar contains 1/5 th of water Weight fraction of water in wet sugar = 0.20
Q: 5.1g of toothpaste was weighed out and transferred to a 500 ml beaker. 250 ml of deionized water…
A: Conversions:
Q: The difference between wet and dry corrosion
A: It is a multipart question .According to Guidelaine in multipart question, we can solve only two…
Q: Countercurrent Multistage Washing of Ore. A treated ore containing inert solid gangue and copper…
A: No of stages x0 =120010,000 = 0.12R0 = 10,000 kg/hrv1 = 89.2= 0.0869 By center current…
Q: Using the Mg-Pb phase diagram below, if you start at point A and cool down very slowly to room…
A: Based on the vertical line M and starting from the origin of the given graph, phases are α solid and…
Q: Tetracycline produced in Streptomyces aureus fermentations is purified by crystallisation. One…
A: Tetracyclines are oral antibiotics originally derived from stremptomyces aureofaciens .Their method…
Q: Calculate the required chlorine concentration for a direct filtration water treatment process at a…
A: Temperature = 20°C Ph = 8.0 Time = 8 minutes
Q: expleain Humidification and dehumidification mass transfer operations with suitable example and…
A: Answer - Humidification mass transfer - The transfer of material between a pure liquid phase and a…
Q: A feedstuff weighing 2 g and moisture content at 5%. When estimating the crude protein, use 82 ml of…
A: The amount of acid used in titration can easily be related to the N content of the sample: N(%,…
Q: For numbers 39 to 40: In a carbon dioxide plant monoethanolamine is used to absorb CO2 from…
A: 39.b
Q: Two tanks are connected by a series of pipes as shown below. Tank 1 initially contains 150 grams of…
A:
Q: liquid hydrogen (LH2) tank is a double-hulled tank composed of cold drawn and annealed 316 stainless…
A: Answer:- Factor leading to the failure of LH2 tanks such tanks may also be refered to as cryogenic…
Q: he major objective of a roasting process is to eliminate the Sulphur contained in the concentrate…
A: Equation of Process MoS2 + 7/2 O2 ----> MoO3 + 2 SO2 Mass flow rate of MoS2 = 1000 kg/ hr. Molar…
Q: Q4/in a two stage process, acetic acid (A)is extracted from water (W) into hexanol (H) in a…
A:
Q: 5.1g of toothpaste was weighed out and transferred to a 500 ml beaker. 250 ml of deionized water…
A: 1 ppm of Fluoride = 1 mg of Fluoride / 1 L of waterppm is parts per million. Also,1 ppm =…
Q: Give the molar concentration of hydrochloric acid with a specific gravity of 1.18 and has 37% (w/w)…
A: Consider the given information is as follows; Specific gravity = 1.18 Percent (w/w) of HCl = 37%…
Q: Determine the maximum theoretical specific gravity of a paving mixture having a weight of 1210gm in…
A:
Q: volume and weight of sludge generated in thickener by chemical coagulation.
A: Wastewater flow: 10000 m3/dInlet concentration: 1100 mg/L Total inlet suspended solid = 1100 × 10000…
Q: 4. Producer gas from bituminous coal (see table below) is burned with 20% excess air. Calculate the…
A:
Q: gangue and copper sulfate is to be leached in a countercurrent multistage extractor using pure water…
A: Solution - According to the question - Given - X0 = 1200 /10000 = 0.12 R0 = 8 / 92 = 0.0869 From…
Q: in ethyl acetate (organic) treat with aqueous HCI Aqueous layer Organic layer treat with treat with…
A:
What is a sample process flow diagram showing the production of bath soap using copra as raw material . Include unit operations and chemical conversion.
Step by step
Solved in 2 steps with 2 images
- From the practical standpoint, is it better to use a "good" solvent or a "poor" solvent when measuring polymer molecular weight? Explain.an empty evaporating dish weighs 25.1295 g. When unknown mixture is added, the dish and mixture weigh 29.9745 g. After removing the Fe with a magnet, the dish and remaining mixture weigh 28.2374 g. After extraction of the NaCl and drying the remaining solid, the dish and final mixture weigh 26. 8928 g. Calculate the mass and mass percent of Fe, NaCl, and SiO2 in the sample. Show all your work.PART 3- LABORATORY EQUIPMENT EQUIPMENT NAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. ones To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances, To stir during experiments that involve mixing or dissolving.
- Prior to fat analysis, two samples: Sample 1 and Sample 2 with the initial weight for each sample=2.50g. After pre-dried, samples were grinded and reweighted; s1-2.15g and s2=2.11g. Samples were placed in dried glass wool in each thimble and placed extractor for 4-5 hours. Samples were then dried and cooled in desiccators before another weight recorded. The weight for s1=93.51g and for s2=93.78g #Weight of round bottom flask (with glass wool+ thimble) (g) = 92.00 #Weight of round bottom flask (g) =91.00 1) Calculate the percentage of dried fat in s1 2) Calculate the percentage of dried fat in s2. 3) Sample 3 have dried fats of 50%. Identify the correct sequence from the highest to the lowest % of dried fats in sample.1. Component Container Stretch Wrap Pallet Product Material Polypropylene Polystyrene Wood Ca(OCI)2 Weight (kg/pallet) 48 0.5 15-18 725 Based on the above table, answer the following questions. (a) Discuss the possibility of fire at the calcium hypochlorite Ca(OCI)2 storage warehouse. Include your assumption on how the fire could spread in the storage warehouse. (b) Recommend solutions to avoid fire occur at the storage warehouse. (10) (10) (Total / Jumlah: 20 )Which among the variables is NOT part of the distillation process? Polarity Vapor Pressure Temperature Phase interaction
- Absorbance (arb.units) SA 8.3 B-Carotene Calibration Curve 2004 65,03UM 3.26 mM 5,06 nM y=(105612 Mx-0.1736 2.94 M 4304 1064 ENY 181 121 Concentration (M) 1004 5 Abserbence (arb.units) 200 0.25 300 A student creates a standard curve of B-Carotene and plots the line of best fit. They then measure the absorbance of a solution of B-Carotene with an unknown concentration. What is the concentration of the sample? You can assume they used a cuvette with a pathlength of 1 cm. 400 500 600 Wavelength (nm) YOU13. A fish meal sample has the following composition: protein 20%, moisture 12%, additive 66%. The sample is placed in a drying oven and subsequent analysis gave a value of 22% protein. Calculate the % moisture content of the dried sample. 14. 1.000 g of soil, as-received, gave a moisture content of 14.00%. The oven-dried sample, completely moisture-free, showed 18.00% K. Find the percentage of K in the sample as received.a) Name the four main compositions of crude oil.b) Identify the process/reaction and draw the chemical structure for each below.i. ethene to polyetheneii. hexane to benzeneiii. octane to paraffin and olefiniv. heptane to 2,2 – dimethylpentane
- Write down the flow chart of Hand molding process for the manufacturing of suppositories? Please answer at your own words.Why the following statements are wrong? Give the correcet answer. 1. Smoke Point and flashpoint of the kerosene oil are equal. 2. Cracking refineries only are used for converting all of the residual oil into light products. 3. LPG and natural gas are the same. 4. Diesel fuel is used as fuel for spark-ignition engines.Why is water not used as a solvent in extraction of nuts
