It was important that no water gets on the aluminum foil during the heating process. If water does get on the aluminum foil, it must be wiped off before reweighing your flask. A typical drop of water has an approximate volume of 0.05 mL and water has a density of 1.0 g/mL. Calculate the molecular weight of your unknown (using your data from the experiment) if 2 drops of water accidently remained on the aluminum foil when you reweighed your flask.
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.
It was important that no water gets on the aluminum foil during the heating process. If water does get on the aluminum foil, it must be wiped off before reweighing your flask. A typical drop of water has an approximate volume of 0.05 mL and water has a density of 1.0 g/mL. Calculate the molecular weight of your unknown (using your data from the experiment) if 2 drops of water accidently remained on the aluminum foil when you reweighed your flask.
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