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Asked by near1dew on 23 Mar 2024. This question was also asked by nada1dew.
Question: what is a variable?
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Sheridan Williams answered on 27 Mar 2024:
Bruno is correct. The opposite of a variable is a ‘constant’, which is something that cannot change eg the value of pi (3.141592653589793…) or e (2.7182828…)
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Kirsty Ross answered on 19 Jun 2024:
It is something that you can control and change in your experiment
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Mark commented on :
For a chemical reaction the variables include the amounts of the reactants, the amount of any catalyst, the solvent (water, alcohol, etc), temperature, pressure and time (there are probably some I’ve forgotten!).
The hope is that that by playing with these variables you can get to out what you want!