Q: What is a rotameter? An orifice meter?
A: Rotameter - It is a form of variable area flow meter, used to measure the volumetric flow rate of…
Q: What is one effective way to calibrate a thermometer?
A:
Q: 19) Prnde Produtt Br KOLBU no reacher
A:
Q: Although not always needed, suction filtration can be helpful. When is it advantageous over gravity…
A:
Q: Which solvent should be used to wash the solid material collected from a filtration? Select one: The…
A: The process which is used for the separation of solids from liquids or gases using a medium like…
Q: What is the volume reading of the liquid in the graduated cylinder? * 40 -35 -30 -25 20 36.50 + 0.05…
A: The point where the lower meniscus of liquid is in the graduated cylinder, that indicates the…
Q: At the diagram of the simple distillation apparatus and label the following parts or general areas:…
A: The process in which the separation of components from the mixture of liquid by using the…
Q: 1) determine the glassware that can be used to deliver 4.5mL with an absolute error: a) ≤ 0.15 mL…
A: Answer - Absolute error - The absolute value of the difference between an observed value of a…
Q: These technique are time consuming, costly and frequently needcomplementary information about sizing…
A: We will determine which techniques are time consuming costly and frequently need complementary…
Q: indicate which pattern of arrow pushing it represents 0: N.
A:
Q: What is bunsen burner and graduated cylinder? What is their uses in laboratory?
A: A Bunsen burner is a laboratory instrument that can be used to provide a single, continuous flame by…
Q: Test Tube Volume Volume of Water Added Syringe Reading (mL) V w Total Air Volume Trial (mL) V t (mL)…
A: Boyel's law : It states that the temperature always remains constant when the volume of given mass…
Q: A pycnometer is made of glass, with a close-fitting ground glass stopper with a capillary tube…
A:
Q: Fill the table Reference Information: E0Zn2+/Zn0 = – 0.763 V E0Cu2+/Cu0 = 0.337 V Room…
A: This can be solved easily by looking at Nernst equation which has be mentioned next step Here Zn is…
Q: You need to precisely measure 10.0 mL of liquid. What tool should you use? O 50 mL graduated…
A: There are various apparatus that is used in a chemistry lab while doing an experiment. Few examples…
Q: What is the correct ratio of sample to KBr? O 1) 1:10 ratio O 2) 1:50 ratio 3) 1:2 ratin
A: Spectroscopy plays an important role in the analysis of chemical compounds. Infrared spectroscopy is…
Q: item#1c] *refer to the photo below*
A: To find the standard Gibbs free energy change of the reaction in kJ at 298 K and have to tell the…
Q: II. lodometry II. Permanganate IV. Dichromate
A: Indicators can be defined as the substances that change colour when they are added to basic or…
Q: Select which of the following is not a feature of carrier gas used in gas chromatography? A. It must…
A:
Q: What will be the height of a column of chloroform (density = 1.49 x 103 kg/m3) that will be…
A:
Q: How would the calculated recovery be affected if the collecting flask used in distillation was not…
A: 1) Distillation is a process of separating different miscible solvents based on their boiling point.…
Q: 4. A student performs the HCl tests on the three solid samples as described in Step 5 of Part B and…
A: Explanation:Upon being heated, some substances undergo chemical changes, some undergo physical…
Q: 3. When do you use gravity filtration? When do you use vacuum filtration?
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Which of the following steps indicate how to correctly set up the apparatus? (Select all that…
A: We'll answer the first question since the exact one wasn't specified. Please submit question…
Q: Vacuum filtration is just one method that can be used to separate the components of a mixture.…
A: We have to suggest a separation method that is more efficient than vacuum filtration. There are many…
Q: What is the most positive characteristic of a Thermoluminescence dosimeter compared to film badges
A: The thermoluminescence dosimeter (TLD) involves the measurement of the ionizing radiation on…
Q: What is the answer to the following calculation, to the correct number of sig figs?…
A: What is the answer to the following calculation, to the correct number of sig figs?
Q: The pressure in a constant volume thermometer is 0.800 x 102 Pa at 400 K and 0.600 x 105 Pa at 300…
A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of the ideal gas the…
Q: Limitation of accuracy of the following instruments: a. Erlenmeyer flask b. beaker
A: Erlenmeyer flask, and beaker are used for Reaction , filteration , mixing etc. but not for…
Q: Describe the differences between gravity and vacuum filtration
A: Please have a look on the solution:
Q: Draw a vacuum filtration setup and discuss possible advantages and disadvantages thereof
A: In vaccum filtration used apparatus Buchner funnel, Arm flask stand, filter paper. Vaccum source,…
Q: a = 4.42° C = 0.1g.mr' | = 10cm - 44.2° +4.42° +0.442° +44.2° ar selectior
A: We will use relation of specific rotation and concentration
Q: n is used in chemistry laboratory ass rod with bulb. 100
A: False . It is called as pipette used in Chemistry laboratory.
Q: the extraction
A: The question you uploaded is multiple questions. According to the Guidelines, if there are multiple…
Q: A sample of fried potatoes weighing 200 g was extracted using a volatile organic solvent. The…
A: The extracted solution contains cooking oil as the solute and volatile organic compound as the…
Q: Please show the calculation (and answer) for the actual volume of hydrogen gas collected, corrected…
A: To show the calculation (and answer) for the actual volume of hydrogen gas collected, corrected to…
Q: Suppose that you had calibrated the thermometer in your melting-point apparatus against a series of…
A: The total immersion thermometers are designed by manufacturers to get correct reading in case of the…
Q: The amounts reported for the monitored ingredients under internal standard calibration are…
A: FALSE
Q: There are no different between volumetric and graduated pipettes
A: false there is a difference between between graduated pipette and volumetric pipette graduated…
Q: Suppose Megan needs to transfer 5.00 mL of a liquid with high precision and accuracy. Which of the…
A:
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: How do I calculate the volume I recorded with a 10 mL pipet?
A: To calculate the volume of a pipet ,first we have to know the rules of pipetting to minimize the…
Q: A: Measurement vessel B: Stopper C: Vent D: Thermometer E: Auxiliary thermometer F: Bath liquid G:…
A: Pycnometer: Pycnometer is used to measure and compute densities or specific gravities of…
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: Select the piece of equipment that should be used to carry out the specified task in each example.…
A:
Q: Draw the main components that will be present in any HPLC and GC instrument respectively.
A: The five major HPLC components and their functions The Pump: The role of the pump is to propel…
Q: if a volumetric pipet delivers 24.844 g of deionized water at 31.00 celsius what is the calibrated…
A: Given : Mass of deionized water = 24.844 g Temperature = 31.00 celsius
Q: If you will measure 90µl of liquid, what pipet calibration should you use appropriately? O 10µl -…
A: A pipette is laboratory glassware used for the accurate measurement of the volume of a liquid.
Q: What do the symbols TD and TC mean on volumetric glassware?
A: Volumetric flask calibration: In the calibration of volumetric flask, the dry empathy flask was…
Q: the injector is kept at higher temperature than the column so that it will move quickly. If the…
A: In the given problem we have to check whether the given two statements are correct or not in…
why do you calibrate thermometers and pipets?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Why is it necessary to calibrate lab instruments such as a thermometer and volumetric glassware?Why is a pipette more accurate than a burette?Answer the following questions._____1. Which of the ff you can use for mixing liquids?a) test tube brush b) stirring rod c) analytical balance d) iron clamp_____2. Which of the ff you can NOT use to measure liquids?a) beaker b) serological pipet c) graduated cylinder d) volumetric pipette_____3. It can be used to contain samples for heating with flames >400 °Ca) test tube b) O-ring c) Bunsen burner d) crucible with cover_____4. The ff can be used for boiling a solution of salt, EXCEPTa) beaker b) Bunsen burner c) Buchner funnel d) Wire gauze____5. Which of the should be used when you want to separate OIL and WATER?a) buret b) separatory funnel c) buchner funnel d) Pasteur pipette
- Choose the one correct or one incorrect statement regarding filtration: gravity filtration uses a Buchner funnel, filtering flask and negative pressure filter paper should be wet with solvent to seal it to the funnel before filtering the solution collected in the filtering flask is called the residue vacuum filtration is most often used to remove impurities from a solution the solution to be filtered should completely fill the top of a Buchner funnel5. Enumerate the uses, advantages and limitations of a glass versus a plastic volumetric pipette.volumertic and non-volumetric quantitative analytical menthods
- Why does the temperature on the thermometer decrease after collecting the first fraction before increasing to the second fraction?1. Which of the following is not a feature of carrier gas used in gas chromatography? a.It should be suitable for the detector employed b. It should not be completely pure c.It must be chemically inert d. It should be cheap 2.Capillary columns are open tubular columns constructed from which of the following materials? a.Stainless steel b.Glass c.Fused silica d.Metal 3. Which of the following is not a desirable feature of the ovens used in gas chromatography? a.It must have a fast rate of heating b.It should have proper insulation c.Power consumption should be kept low d.It must have maximum thermal gradients 4. The GC trace obtained after an experiment is called a a.graph b.chromatogram c.chromatograph d.chromatophore 5. What useful information can be found from a Van Deemter plot? Select one: a. Optimum mobile phase flow rate b. Optimum column length c. Optimum column temperature 6. Which of these effects result from slow…0.2 to 1.0 mg/ml: For each concentration, a volume of 1.0 mL should be prepared. How will you prepare these standards using micropipettes and which one would you use? There is a: 0,5-10 microliter pipette; 2-20 microliter pipette 20-200 microliter pipette 100-1000 microliter pipette.