A student wanted to measure the density, in g/mL, of an unknown metal alloy. They had multiple sized samples of this metal alloy to measure. After completing their experiment, they obtained the following measurements: Sample # Volume (mL) Mass (g) 1 2.703 33.649 4.271 65.040 3 6.656 98.818 4 8.617 123.171 10.457 153.316 12.436 174.526 7 14.726 209.797 231.624 16.536 18.368 260.535 10 20.371 286.668 After plotting their measurements and using the regression line, what would be the density, in g/mL, of the unknown metal alloy? Round your final answer to two decimal places. 2.
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.


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