The drops had different charges because some drops had picked up more electrons than others, which gives them different charges at the end of the experiment.
Typically, 1-2 drops of phenolphthalein indicator are sufficient to use in an acid-base titration experiment. It is important not to use too much indicator, as it can affect the accuracy of the titration results.
A penny dropper refers to someone who intentionally drops a penny on the ground with the intent of seeing if anyone picks it up. It can be used as a form of social experiment or to gauge people's honesty.
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Robert Millikan in 1909
Tiny drops are called droplets.
That should probably be "Millikan". The experiment he was famous for is the Millikan Oildrop Experiment.
You cannot drop charges. The state presses and/or drops criminal charges.
You can find the ingredients on the package of cough drops. Different brands have different ingredients.
In the flashing and quenching experiment, the neon bulb twinkles because the voltage across the capacitor drops below the breakdown voltage of the neon bulb. This causes the bulb to briefly turn off before the capacitor charges again and the process repeats, resulting in the twinkling effect.
A dropper or pipetteSee the Related Questions for more information about these two items.
The purpose of adding three drops of chloroplast suspension to Cuvette 1 was to provide the necessary chloroplasts for the experiment, as chloroplasts contain the photosynthetic pigments required for photosynthesis to occur in the experiment.
Most likely nothing bad will happen. But I still do not advise to experiment.
In this experiment, the control group would be the penny! The independent variable is the substance/water on the penny, and the dependent is how many drops the penny takes.
If you are referring to the famous experiment, a ball of any material of equal weight drops at the same rate. The force of gravity is exerted equally upon all matter.
Kidnapping is a crime in most countries. In which case "a person" can not drop charges, the charges are made by the state/police (on the basis of a complaint or evidence) and it is up to them whether or not to prosecute the person charged.
the contact lens drops are of a different consistency than the regular and ingredients aren't as strong, I think
Millikan was able to quantitate the elementary electric charge using his oil drop experiment. By measuring the forces acting on the oil drops in the electric field, he could determine the charge on each drop and eventually calculate the charge of a single electron.