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DerKrebs [107]
4 years ago
8

A compound that changes color when it comes into contact with an acid or base is an?

Chemistry
1 answer:
notka56 [123]4 years ago
4 0
A compound that changes colour when it comes into contact with an acid or base is an indicator.
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Wind energy is gaining support as a possible energy source for people. What is the source of the energy that generates wind?
Evgesh-ka [11]
I think c is the the answer that you are looking for
4 0
3 years ago
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if we all have atoms and atoms technically never touch then we've never touched anything in our lives. is this true?
jekas [21]

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We are all made out of atoms, yes this is true. And atoms never touch each other. So no sir, i did not punch that little boy.

Explanation:

8 0
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How can you increase the momentum of an object?
Elena-2011 [213]
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3 years ago
For the equation PV = nRT, re-write it so that it is in the form of "T = ".
mamaluj [8]
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3 years ago
The age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactiv
True [87]
The age of the fossil given the present amount of Carbon-14 is given in the equation,
                               A(t) = A(o)(0.5)^t/h
where A(t) is the current amount, A(o) is the initial amount, t is time and h is the half-life. Substituting the known values to the equation,
                       A(t) / A(o) = 0.125 = (0.5)^(t/5730)
The value of t from the equation is 17190.
Thus, the age of the fossil is mostly likely to be 17190 years old. 
8 0
3 years ago
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