8. Which of the following features is required for proper sterilization by autoclave? a. Complete sealing of all openings with foil. b. Allowance for steam access to all surfaces. c. Vigorous boiling liquids. d. Fixed process time regardless of the amount of item. e. Excess hydrostatic pressure to ensure that all water exists within the liquid phase.

8. Which of the following features is required for proper sterilization by autoclave? a. Complete sealing of all openings with foil. b. Allowance for steam access to all surfaces. c. Vigorous boiling liquids. d. Fixed process time regardless of the amount of item. e. Excess hydrostatic pressure to ensure that all water exists within the liquid phase.

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter5: Distillation

Section: Chapter Questions

Problem 10Q

See similar textbooks

Related questions

Q: What is the effect of weighing a recrystallized organic solid which is not completely dried to the…

A: Percentage yield is calculated by dividing actual yield to theoretical yield and multiplying it by…

Q: The best practices for working with liquid chemicals (including solvents and corrosives) are to: A.…

A: Liquid chemicals encompass a wide range of substances, from simple compounds like water, alcohol,…

Q: Lactic acid Salicylic acid Trichloroacetic acid Flexible collodion qs ad Sig: wart remover. Use as…

A: a) Given that- Mass percentage of camphor (20 % w/w)This means, 100 grams solution = 20 grams…

Q: A 0.5 μm SiO2 on a Si substrate is to be etched away. It is known there is a +- 5% variation of the…

A: SiO2 on a Si substrate is to be etched away = 0.5 μm variation of the oxide thickness = ±5%…

Q: How much water is required to dissolve Oxone?

A: Given: Moles of Oxone = 15.6 mmol = 0.0156 mol Molarity of Oxone = 0.6 M Volume of flask = 125 mL To…

Q: Rank the following mobile phases from greatest to weakest eluting power: hexanes, ethyl acetate, and…

A: Answer :---- The eluting power of the mobile phase is decided on the basis of their polarity.…

Q: When checking the melting point of your impure sample, what temperature should you set as the…

A: Let's say the melting point of the pure sample is 'x0 C'

Q: If too much drying agent is added to a solution, what can be done to correct the situation?

A: Drying agent is used to remove trace amounts of water from an organic solution.There is no set rule…

Q: All are properties of ideal solvent for recrystallization except: • Dissolves the sample when hot •…

Question

8. Which of the following features is required for proper sterilization by autoclave?
a. Complete sealing of all openings with foil.
b. Allowance for steam access to all surfaces.
c. Vigorous boiling liquids.
d. Fixed process time regardless of the amount of item.
e. Excess hydrostatic pressure to ensure that all water exists within the liquid phase.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Volumetric pipettes are designed to deliver a precise amount of liquid, but only if you a. submerge the end of the pipette into a solution you are delivering. b. allow the pipette to drain freely, and leave any residual solution in the pipette. c. hold the pipette at a 45 degree angle and ensure that all the liquid is delivered.
10. Which is a way to induce crystal growth if no crystals are forming upon a. scratch air-liquid interface on flask with a glass rod or spatula b. add a seed crystal c. boil off excess solvent volume d. all options are possibilites
The key to a successful HPLC procedure is good sample separation which is represented by a clean peak for each individual compound. What should we do to ensure a good sample preparation? A. Use a column and a mobile phase with different polarity B. Use a column and a mobile phase with the same polarity C. Use a lower temperature higher than the mobile phase boiling point D. All of those
why should a small volume of the cold solvent be used for rinsing the pure crystal? (recrystalization)
1. Which property of compounds is responsible for the separation in a TLC? Explain with an example.2. How does the separation occur during a TLC? (Hints: TLC plate and silica layer)
Briefly explain why it is important to use crucible tongs when you transfer the heated crucible (b) from the heat-resistant mat to the desiccator.
In which of the following scenarios might you expect the observed melting point to be depressed? Choose all that apply. a. The heating rate for measuring the melting point was set too high. b. The percent recovery of recrystallized solid was less than 100%. c. A solid that was recrystallized from hexane was filtered and dried without washing with additional hexane while it was on the filter funnel. d. A solid recrystallized from toluene was left on the filter funnel for only a short time before its melting point was measured. e. The melting point capillary tube was packed with too much material.
When filtering (purified) crystals obtained using recrystallization, which of the following items would you use? (Select all that apply.) A vacuum filtration flask B.Buchner funnel C. gravity filtering funnel D. Erlenmeyer flask Ebeaker
You will be completing the extraction of caffeine with dichloromethane and water. In which solvent will the caffeine be found after the layers are mixed, and is this the top or bottom layer? A. Dichloromethane - top layer B. Dichloromethane - bottom layer C. Water - top layer D. Water - bottom layer
Explain how solvent trapping and cold trapping work in splitless injection.
Sublimation is preferred for small scale purification as compared to crystallization because there is little loss of material during transfer True, sublimation guarantees a 100% yield False, the crystallization process is better because it yields a much purer product especially in small scale purification processes True, sublimation has less loss of material because the process has no intermediate liquid stage False, sublimation is better for large scale purification processes.
1. How to collect main batch of crystals using vacuum filtration (Set-up, things to remember)• Why use small amounts of cold water for washing? What is being washed away (2things)?2. Why measure the volume of mother liquor in a graduated cylinder?3. How to let the main batch of crystals dry/how will they be stored until next week?4. How to collect the small amount of crystals from step 4 (those that were not subjected tocrystallization)• What can we expect of this small batch of crystals compared to the main batch?