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Why was it important not to let the thermometer rest on the bottom of the breaker?
It is important not to let the thermometer rest on the bottom of the beaker because the bottom can be heated unevenly leading to inaccurate temperature readings. Placing the thermometer in the liquid away from the bottom ensures a more accurate measurement of the liquid's temperature.
Where should a thermometer be placed in a beaker?
Hold it by the top or use a clamp. But make sure before you take the temperature you stir the liquid around in the beaker first and that you do not let it touch the bottom of the beaker as the glass will be hotter than your liquid.
To ensure that the heat from a burner is spread evenly across the bottom of a beaker, one should use a _______.?
i don’t know
Why should a thermometer not touch the sides of the test tube and should be placed in the middle?
If you place the thermometer so it touches the sides of the test tube, you are measuring the temperature of the test tube, not the substance in the test tube. So, in order to get an accurate reading of the substance, do not touch the sides of the test tube with the thermometer.
What of these items should be used to remove a hot beaker from a flame?
Tongs or heat-resistant gloves should be used to remove a hot beaker from a flame to prevent burns. Never use your hands directly to handle hot items in a laboratory setting.
What should students do if a beaker is cracked?
they should immediatly tell the teacher and listen to her instructions
Why was it important not to let the thermometer rest on the bottom of the breaker?
It is important not to let the thermometer rest on the bottom of the beaker because the bottom can be heated unevenly leading to inaccurate temperature readings. Placing the thermometer in the liquid away from the bottom ensures a more accurate measurement of the liquid's temperature.
Where should a thermometer be placed in a beaker?
Hold it by the top or use a clamp. But make sure before you take the temperature you stir the liquid around in the beaker first and that you do not let it touch the bottom of the beaker as the glass will be hotter than your liquid.
Where should a beaker be placed with respect to the flame for the most efficient heating on Bunsen burner?
The most efficient, and safe, place for a beaker to be heated is above the flame. Have the beaker held up by the proper metal stand and have it held so that the flame is grazing the bottom of the beaker. Be careful though, the flame should only graze the bottom of the beaker so that the chemical doesn't heat up too quickly.
What should you do if you are supposed to boil water but the beaker has a creak in the bottom?
tell your teacher that the beaker is cracked because your teacher would probably know what to do and if you throw it away you might get in trouble.
What should I do if I notice my toilet leaking from the bottom?
If you notice your toilet leaking from the bottom, you should immediately turn off the water supply to the toilet by shutting off the valve located behind the toilet. Then, you should contact a plumber to assess and repair the leak to prevent further damage.
What should the students do to test these hypotheses?
perform an experiment that attempts to identify the gas above the open beaker
What should I do if I notice my toilet leaking from the bottom of the tank?
If you notice your toilet leaking from the bottom of the tank, you should turn off the water supply to the toilet, empty the tank, and inspect the tank and connections for any cracks or damage. If you are unable to fix the issue yourself, it is recommended to contact a plumber for assistance.
To ensure that the heat from a burner is spread evenly across the bottom of a beaker, one should use a _______.?
i don’t know
Should we measure the mass of a beaker before measuring a chemical or powder inside the beaker?
You can do that or you can zero balance the scale with the empty beaker on it before adding the substance to be measured to the beaker.
When preparing to develop a TLC plate what is the appropriate spatial relationship between the level of solvent in the developing chamber and the spots on your TLC plate?
The spots on the TLC plate should be placed about a cm from the bottom of the plate. Then solvent should then fall about half-way between these spots and the bottom of the beaker.
Why should a thermometer not touch the sides of the test tube and should be placed in the middle?
If you place the thermometer so it touches the sides of the test tube, you are measuring the temperature of the test tube, not the substance in the test tube. So, in order to get an accurate reading of the substance, do not touch the sides of the test tube with the thermometer.
