4 5 6 Destion Completion statu2 3QUESTION 425WHow much sample should be loaded into the capillary tube for a Melting Range Determination?O Enough sample so that the solid is clearly visible under the magnifying lens, but not enough of a sample height to extend out of the heated range of the DigiMelt.O The tube should be filled all the way up.SO Only a sinige grain of solid can be added. This is often difficult to see under the magnifying lens.O The tube should be filled halfway up.6QUESTION 5You record the following melting ranges for your unknown, for known standards, and for mixed melting ranges:Unknown #14: 78-80 °C.QUESTION 6Naphthalene: 78-80 °CVanillin: 78-80 °CMixed #14 with Napththalene: 66-75 °CMixed #14 with Vanillin: 78-80 °CWhich statement best summarizes unknown #14?O Unknown #14 is already a mixture of naphthalene and vanillin.O Unknown #14 may be vanillin, but not naphthalene.O Unknown #14 may be vanillin or naphthalene.O Unknown #14 may be naphthalene, but not vanillin.F27#8What properties describe a good solvent for a single-solvent recrystallization?O Dissolves the solid when cold, but not when hot.3O Does not dissolve the solid at any temperature.O Dissolves the solid whether hot or cold.O Dissolves the solid when hot, but not when cold.Click Save and Submit to save and submit. Click Save All Answers to save all answers.80F39E100DC$4888R10F%5TvV♫F6T#tvMacBook Air6GF6YB&7HA00F7nс8NDIIFBJ1(9KM)F10

2 3 4 6 7 8 100 QUESTION 4 How much sample should be loaded into the capillary tube for a Melting Range Determination? O Enough sample so that the solid is clearly visible under the magnifying lens, but not enough of a sample height to extend out of the heated range of the DigiMelt. O The tube should be filled all the way up. Only a sinige grain of solid can be added. This is often difficult to see under the magnifying lens. O The tube should be filled halfway up.

2 3 4 6 7 8 100 QUESTION 4 How much sample should be loaded into the capillary tube for a Melting Range Determination? O Enough sample so that the solid is clearly visible under the magnifying lens, but not enough of a sample height to extend out of the heated range of the DigiMelt. O The tube should be filled all the way up. Only a sinige grain of solid can be added. This is often difficult to see under the magnifying lens. O The tube should be filled halfway up.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter8: Sampling, Standardization, And Calibration

Section: Chapter Questions

Problem 8.9QAP

See similar textbooks

Similar questions

High-pressure ATR is used to analyze very hard sample. True False
In order to execute paper chromatography, which of the following stages is required?I. Load the standard/s beside the sample spotsII. Allow the chromatogram to touch sides of beakerIII. Saturate the chamber with vapor of the mobile phaseIV. Place the spots at the same height as the solvent level
What is density, types of densities properties of a material, and suitable technique that can be used for this property? Size, form to the sample for determination
A fly ash aerosol of monodisperse particles with a density of 2.0 g/mL and particle diameter of 10.0 mm has a concentration of 1000.0 mg/m3. Calculate the settling velocity in cm/s and the settling rate in g/m2-s. Please answer very soon will give rating surely
Just need the blanks for the three parts, thanks in advance. Btw, this is a pre test that isn’t graded
need help with this chemistry clear sig - fig please
Using the raw data, pls fill the table accordingly. I will thumbs up if done properly.
Can you please fill the rest of tghe data based on the on inforamtion you have and answer Average percent by mass of acetic acid in vinegar sample (%) ________________ Standard deviation of percent by mass of acetic acid in vinegar sample (%)
Categorize each as a determinate or an indeterminate error and further classify determinate errors as instrumental, method or personal.d) The tip of the pipet used in the analysis is broken. e) In measuring the same peak heights of a chromatogram, two technician each report different heights.
Please help me I am looking forward of a list (3 sources of error and explain it)
With correct Sig Figs pls, and in the same format. Having trouble setting it up!
Match the given parts with the correct function integrator detector injection port column solvent reservoir A. measures absorbance data B. introduce micro sample into the instrument C. holds as the stationary phase D. holds as the mobile phase E. processes data into the display unit