12. Distinguish between filtration and centrifugation.

Q: 2. Explain how suction filtration is carried out in the laboratory. Give the important points that…

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: Assume you have a 140 cm3 soil sample. The volume of the soil filled with water is 35 cm3 and the…

A: Porosity is a measure of void spaces in a material. It can be expressed as,…

Q: What temperature should a properly working thermometer display in an ice-water slush bath? In a…

A: In ice-water slush bath , water is in equilibrium with ice. Therefore it is the freezing point of…

Q: Water pollution is defined only as any physical or chemical change in water that: 1 a. Improves the…

A:

Q: . Write the names of 4 SI metric prefixes and give their numerical values

A: SI metric prefixes are, mili centi meter kilo

Q: The thickness of the distance between any two marking on a buret is equivalent to about O 0.02 mL O…

A: The question is based on the concept of experimental Chemistry. we have to predict the distance…

Q: 1. Explain what the functions of the clay triangle and wire gauze are for an apparatus? (In 2…

A: Function of clay traingle = A clay traingle is used to hold the dishes and crucibles when they are…

Q: Sublimation, Extraction, Decantation, Filtration, Evaporation 1.Of the 5 methods listed for the…

A: The combination of soil, clay, or silt and water provides the suspension termed as mud. If the…

Q: Perform the following conversions and use sig figs 534.1g to lbs

A: The number of significant figures in the given problem is 4 (all non zero digits are significant…

Q: For the graph shown below 45 40 35 30 ED 20 15 EB 10 2 10 What are the coordinates of point C: (1,9)…

A: A question based on general chemistry that is to be accomplished.

Q: 4. Materials: Steel, Brass, Copper, Aluminum, Acrylic, Oak, Nylon, Pine, Poplar, PVC, Triple Beam…

A: Mass is 138 g  Volume is 15.6 cc (as same volume of water will be displaced) So, density = M/V =…

Q: 200 180 160 Blood Pressure (mmHg) 140 120 100 80 Systolic Blood Pressure of Patient y=4.8418-195…

A:

Q: What is the preferable period of time to soak the apparatus with acid? Some said it is preferably…

A:

Q: Organic liquids are usually less dense than water.  True  False

A:

Q: In a simple set-up, a mixture is heated and the component with the lower boiling point vaporizes…

A: Chromatography is the laboratory technique for the separation and isolation of a variety of samples…

Q: Write a descriptive information about Filtration and Evaporation.

A: Filtration and evaporation  are separation methods. These separation methods are used to separate…

Q: A 31.5 g wafer of pure gold initially at 69.8°C is submerged into 63.4 g of water at 27.8 °C in an…

A: q = c*m*∆T q = heat  c = specific heat capacity m is the mass of substance ∆T is the change in…

Q: 4. For a liquid substance with different boiling points, which separation technique wouid be best…

A:

Q: PRE-LAB QUESTIONS ERIME GasLa 1. Differentiate among solids, liquids, and gases on a molecular…

A: Gases , solids and liquids are made up of atoms/molecules/ions .Solid has definite shape and volume…

Q: tm. Use the virial

A: Here, P= 1 atm= 1.013x105pa, n=0.5, R= 8.314, T= 100oC,373 K,

Q: When is decantation applicable in separating solids from liquids

A: When the liquid has to be separated leaving the solid behind in a liquid mixture, then decantation…

Q: 1. NACN 3. 2. H20

A:

Q: es of 25 A diameter, find: a) number of surface atoms Ns. b) number of volume atoms Nv. (or bulk…

A: Given as, Diameter=2.5nm,Radius=1.25nm,volume=43 πr3 =43 ×3.14×1.253 =8.18nm3

Q: 4.From experimental procedure, Part I. Explain how a water -filled graduated cylinder is inverted in…

A: It is lab apparatus that is used to measure a liquid more accurately. The graduated cylinder is also…

Q: explain how decantation, filtration, and evaporation are done as a separation process

A: Decantation:  It is the process by which we can separate mixtures of two immiscible liquids.…

Q: Given the following types of glassware, arrange them according to accuracy of measured volume. III.…

A: The basic concept  of laboratory  instruments  handling  will solve this problem  as shown in next…

Q: 100 liters of certain liquid has a mass of 85 kg. Determine the specific weight and gravity of the…

A:

Q: What are the assumptions in the Ruth equation for filtration?

A: Ruth's equation is used to predict the filtration and performance.It is very much useful to predict…

Q: What is specific gravity ? What is the difference between specific gravity and density? What is the…

A: Specific gravity or relative density is the ratio of density of the substance to the density of…

Q: A patient is to receive an IV infusion of 1.6 Lof 0.90% NaCi solution. The flow rate is 30 drops per…

A: Given: Volume of solution = 1.6 L = 1600 mL flow rate = 30 drops/min drop factor = 10 drops/mL

Q: Water purification is essentially not * a. filtration of solids b. removal of chemical c.…

A: In this question, we have to answer which option is not included in water purification.

Q: In our chemistry laboratory class, the formula for surface tension given is y=mg/2(pi) x r x f…

A: Surface Tension is the magnitude of force exerted by the surface perpendicular to the line (of…

Q: Differentiate between Penetration and Shielding?

A: To find: Difference between penetration and shielding

Q: Calcium hydroxide reacts with sulphuric acid and gives calcium sulphate precipitate For rapid…

A: For the rapid separation of the precipitate, several techniques can be used like centrifugation,…

Q: Why high performance liquid chromatography is an important  technique in the fields of chemistry…

A: MAIN USE OF HIGH PERFORMANCE LIQUID CHROMATOGRAPHY ARE IDENTIFYING  ,QUANTITATIVELY AND PURIFYING…

Q: vizualize the connection for the description of motions in the sections and give answer in the blank

A: 1. Scientist who proposed 2. Model name a.) John Dalton     Dalton Atomic Theory b.) Ernest…

Q: Corn Dry Milling will separate kernels to "bugas mais" from "sungo" and "tiktik". What is the…

A: Corn dry milling include processes like 1. Tempering 2. Degermination 3. Aspiration 4. Gravity…

Q: Is 10 ppm 400% less than 50 ppm?

A:

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: as a laboratory analyst how can you reduce your waiting time during filtration

A: Filtration  is done so as to avoid The unwanted  side products .

Q: Explain the step in filtration technique.

A:

Q: 1. NaCN H. 2. H20

A: Addition of Cyanide (CN-) to aldehydes results in the formation of Cyanohydrin. It occurs in two…

Q: 4 For Ag atoms forming a nanoparticles of 25 A diameter, find: a) number of surface atoms Ns. b)…

A:

Q: You have mixed crushed mothballs in a sand, you want to purify the sand, you will do (pick the best…

A: Mothballs: These are made up of naphthalene and paradichlorobenzene. They exist as solid at room…

Q: How many ppl are there in 1 ppm? 10 100 1000 10000

A: 1000 ppl are there in ppm .

Q: What is the total length of two pieces of tubing which measure 3.5cm and 1.23cm?

A: Given : Length of tube piece 1 = 3.5 cm Length of tube piece 2 = 1.23 cm

Q: Which among the following is best used in separating heterogeneous mixtures of solids from liquids?…

A: Heterogeneous mixture  heterogeneous mixture is a mixture with a non-uniform composition.

Q: a) Kristina wanted to provide evidence that matter is made of particles, so she set up a glass tube…

A: The experiment setup given is as shown below.