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What is a radioactive tracer and give an example of how one might be used?
A radioactive tracer is a radioactive atom inserted in a compound to see what happens to it in a reaction, usually in biotechnology. For example, to find out where carbon atoms go in photosynthesis, scientists can give the plants carbon dioxide with carbon-14 instead of carbon-12 and track the progress of the carbon-14.
Give an example of logarithmic formula that give the pH of a substance?
pH=-log(H+)
What is a radioactive tracer Give an example of how one might be used.?
A radioactive tracer is a radioactive atom inserted in a compound to see what happens to it in a reaction, usually in biotechnology. For example, to find out where carbon atoms go in photosynthesis, scientists can give the plants carbon dioxide with carbon-14 instead of carbon-12 and track the progress of the carbon-14.
A broad melting range is usually indicative of an impure substance Give an example of a situation in which a pure substance could give a broad melting range?
nope
Can you give an example of a sentence using the word anyone?
Does anyone have a pencil I can borrow? Anyone can complete that task. You may select anyone to assist you.
Give example of an organic substance that are found in a living organisms?
Insulin, is an organic substance and is needed in humans for the absorbtion of sugars.
What is an adsorbate and give an example?
An adsorbent is a substance that sits on top of a solution, instead of dissolving into it. An example of this type of substance is the silica gel that comes in certain products you buy.
What element is used to protect people from radioactive substance?
Lead is most commonly used for protecting people from radioactive substances.For example, if you go to the dentist and they give you an X-ray of your teeth, they will usually give you a lead bib to protect you from the radiation produced by the X-ray. However, carbon (graphite usually) can also be used to shield, but whereas a plate of lead may work it would take a brick of graphite.
Can anyone give me some examples of a substance whose molecules contain pi-bonds?
Ethene and ethyne.
What can you eat that will make your skin shed?
Nothing. Theoretically you could eat a radioactive substance but that is going to make you really sick. The skin will shed on its own, give it time.
Can anyone please give me an example of speech choir in theater?
the CONGO. try it...
Can you give a sentence with a word radioactive?
The X-Ray machine is radioactive
