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Postby Danieljm1B » Sun Jul 07, 2019 8:27 pm

What is meant when the term "uncertainty" is used?

Yen Ho Chou 1D
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Re: Uncertainty

Postby Yen Ho Chou 1D » Sun Jul 07, 2019 10:51 pm

depends on where it is, but usually when you calculate a number, you have a degree of uncertainty

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Re: Uncertainty

Postby 904914037 » Tue Oct 08, 2019 9:18 am

Yes the uncertainty reflects the idea that at the atomic level, the procedure in which experimental data is obtained can cause some uncertainty for the data itself. Even though we might have a good approximation for the real data value, the uncertainty acknowledges that the approximation might be slightly different than the real value.

Hannah Romano 4D
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Re: Uncertainty

Postby Hannah Romano 4D » Tue Oct 08, 2019 11:08 am

It is import to consider "uncertainty" in chemistry during experiments. Because atoms take part in reactions on such a small scale, it is nearly impossible to measure experiments with exact certainty. In fact, measurement errors often occur on a significant scale due to several potential human errors. While many measures can be take to try to avoid these errors, it is best to regard experiments with a degree of uncertainty. Errors in experimental values can then be calculated with the percent error formula in order to determine the error margin.

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