What is bunsen burner and graduated cylinder? What is their uses in laboratory?

Q: When heating a test tube: It can sit directly on the countertop to cool Never look directly into…

A: When heating the test tube we should have to take certain care , so there should be no damage in lab…

Q: what is the precision of the graduated cylinder? please show solution. thank you!

A: The solution is given in the following steps:

Q: "anknown B run 12" 1 1 C: \Bruker\TopSpin4.0.9 unknown B run 12 2. 10 2 [ppm] z-

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A: Density order is Solid >crystal > liquid >gases >plasma .

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A: The word packaging is generally referred to as the design process, evaluation, and production of…

Q: Which apparatus is shown here: Select one: test tube rack Funnel Beaker O Pipette chemical reagent…

A: The above diagram indicates the chemical apparatus which is used to place test tube.

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A: Five examples of laboratory hazards, 1. Fire/Explosions In a research facility, all synthetic…

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A: The count in d electron can helps to find the oxidation states, reaction rates and magnetic…

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Q: Which glassware Burnett, graduated celinder or pipette is most precise, why?

A: Precision in the measurement.Graduated cyllinder is least precise, followed by more precise burette…

Q: Refer to the figure below. Identify the part of vernier caliper. ... O 10 20 30 40 s0 60 70 B0 99…

A: Thumb screw : is located at the bottom of the vernier scale. The main function of the thumbscrew is…

Q: As mentioned, the diameter of the cylinder is 8.35 cm, and the thickness (height) of heated portion…

A: Density = mass / volume Mass of heated portion  = density × volume of heated portion = density ×…

Q: What is bunsen burner and graduated cylinder? What is their uses in laboratory?

A: Bunsen burner: Bunsen burner is a gas burner which is used in laboratory for heating and combustion…

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A: The Nitric acid chemical formula is HNO3 It is prepared from Ostwald from ammonia. Nitric acid is…

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A: Describe the process of cooling water at 101 kPa pressure from 125°C to 50°C, at constant pressure.…

Q: 1e. Briefly discuss the unique properties of plastics.

A: Plastics :- plastics are polymer or organic compounds having high molecular weight or it is a long…

Q: plz dont round

A: Given that : ∆Hf(methanol)=3.16 kJ/molMass of methanol=90 gFreezing temperature (T) = -98°C=175 K

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A: Avogadro number is denoted by NA and usually taken as,6.022 X 1023.The SI unit of which is mole-1.…

Q: This lumber can be used as vertical studs, which are typically placed 16.0 in. apart. What is that…

A: Given : Distance in inches = 16.0 inches

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A:

Q: Differentiate the two equipment: (Equipments used for Measuring Liquid) and (Equipments used for…

A: For solid we measures weight and for liquid, we measures the volume  .

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A: The aluminum in a package containing 77 ft2 of kitchen foil weighs approximately 19 ounces.  Density…

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A: The term thurstone scales has to be defined.

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A: We have to suggest a separation method that is more efficient than vacuum filtration. There are many…

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A: Given IR spectra is,

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A: ->First of all there occur bromination of benzene.then acetylation occur.

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A: Copper is dissolved in nitric acid

Q: The given photo shows how a specimen is held for carrying out an * Izod impact test False O True O

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: n is used in chemistry laboratory ass rod with bulb. 100

A: False . It is called as pipette  used in Chemistry laboratory.

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A: Interpretation-  Tell about what is jigs and fixture. If you are working in a production company…

Q: essay about chemical safety information.

A: Introduction   Even if you've worked with chemicals before at home or in other contexts, it's…

Q: standard deviation for each treatment.

A: To determine the mean and standard deviation for each treatment. The mean is the sum of all the…

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Q: Beading 1 20°C 18°C Beuding2 32°C Dry bulb lempecabce 25°6 Differences betwen dhy ond wetblb…

A: Since you have asked multiple questions, we will solve first one for you as per Bartleby…

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What should we use d) To hold a very hot crucible: _________________ e) To hold test tubes so that…

A: (d) Crucible is an apparatus used to heat Chemical materials over burner or inside of over , where…

Q: e smallest portion a

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Q: HNO Select Draw Rings More Erase N H.

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Q: Why is the pipette more precise than a burette when measuring?

A: Burettes are larger than a pipette, it has a stopcock at the bottom to control the release of…

Q: C and D

A: We are given that on buring certain amount of biomass we obtain 52%(w/w) methane. This means that…

Q: what is chromatography?

A: Chromatography is a method which helps to separate and analyze mixtures of compounds.

Q: Why do you need to “tare” the digital balance before use?

A: we need to tare the digital balance before using because we only want the mass of the substance we…

Q: Based on density, which of these four plastics would be expected to sink in water? Note: Use the…

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If…