Table of Contents
How should you insert glass tubing into a rubber stopper quizlet?
Dip the teflon tip in a glass lubricant (glycerin), then push it through the stopper. Remove the tip and slide the tubing through the inserter shaft. How should you protect your eyes from chemicals and glass shards? You just studied 22 terms!
How do you use a rubber stopper?
Insert the stopper that you have chosen narrow-side-first into the opening of the test tube or vial that you are sealing. Push it far enough in so that you meet significant resistance to further pushing, then stop.
What is the proper method for inserting glass tubing into a rubber stopper?
Inserting Glass Tubing
- Lubricate the end of the glass tubing with a few drops of water, washing-up liquid, glycerol, or vegetable oil.
- Hold the glass tubing close to where it enters the hole in the rubber stopper.
- Ease the tubing into the hole with a gentle twisting motion.
What is a safe way to insert a thermometer into a stopper?
WHAT IS THE SAFE WAY TO INSERT A THERMOMETER INTO A STOPPER? USE AN INSERTER OR PUT LUBERACANT OF THE THERMOMETER.
Do you want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cold this is best done by?
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by… Lubricating the tubing with water of glycerin. Using a towel or cotton gloves for protection.
What keeps the rubber stopper in circular motion?
The tension in the string provides the necessary centripetal force that keeps the rubber stopper in its circular path.
What direction is the acceleration of the rubber stopper at any point in it circular path?
The way you use this toy is to spin the rubber stopper around in a circle. Here is an example: Circular Motion Lab from Rhett Allain on Vimeo. The direction of the acceleration is towards the center of the circle.