A scientist performs an experiment to determine the density of a sugar solution. He obtains the following results: 1. 09 g/mL, 1. 81 g/mL, 1. 93 g/mL, and 1. 73 g/mL. If the actual value for the density of the sugar solution is 1.75 g/mL, which statement below best describes her results? Her results are not accurate, but precise. Her results are both accurate and precise. Her results are neither accurate nor precise. It isn't possible to determine with the information given. Her results are not precise, but accurate.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
A scientist performs an experiment to determine the density of a sugar solution. He obtains the following results: 1. 09 g/mL, 1. 81 g/mL, 1. 93 g/mL, and 1. 73 g/mL. If the actual value for the density of the sugar solution is 1.75 g/mL, which statement below best describes her results?
Her results are not accurate, but precise.
Her results are both accurate and precise.
Her results are neither accurate nor precise.
Her results are not precise, but accurate.
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