The measurement of Rachel’s group is precise but not accurate while the measurement of Ashley’s group is accurate but not precise.
Precision has to do with how close together the values obtained from a scientific measurement is. If we take a look at the values obtained by Rachel’s group, we will notice that the values are exactly 1.00 g apart. This means that the values are precise.
However, these values a far from the actual value which is 100.00 g therefore the measurement of Rachel’s group is precise but not accurate.
On the other hand, the values obtained by Ashley’s group are; 99.5 g, 100.1 g, and 100.5 g. These values are very close to the actual value which is 100.00 g hence they are accurate.
The values obtained by Ashley’s group do not have consistent intervals therefore, they are not precise.
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Answer: The physical properties of iron oxide are that it is an odorless, red-brown solid, and that it is insoluble. Depending on the chemical formula, one of the chemical properties is its combustibility. If the chemical formula is Fe2O3, it is not combustible. If the formula is FeO, it is readily combustible.
Ethane consists of 6C−H bonds and 1C−C bond. Total number of bonds is 7. Each bond is made up of two electrons
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Q3.) acidic
q4.)that the solution is acidic
q5.)that the solution is alkaline
