Size of an Atom Length of galvanized iron (cm) 2.7cm Width of galvanized iron (cm) 1.4 cm Mass of galvanized iron to start (g) 1.50 grams Mass of iron with zinc removed (g) 1.40 grams Mass of zinc removed (g) .10 grams Using the above calculations answer the following questions: The density of zinc is 7.14 g/cm3 . Using the density formula, calculate the total volume of zinc removed from the galvanized iron______? The galvanized iron has two sides. Therefore half of the volume calculated above are coating each side of the galvanized iron. What is the volume of zinc on each side of the galvanized iron__________? The coating on each side of the piece of galvanized iron has the shape of a rectangular solid with a very small thickness or height. We can calculate this thickness using the volume of a rectangular solid formula because we know the length, width, and volume of the zinc coating. Calculate the thickness of the zinc coating.___________? Convert the thickness of the coating to a number in proper scientific notation._______________? The diameter of a single zinc atom has been determined to be 2.7 x 10-8 Calculate the number of layers of zinc atoms in the zinc coating. ________________________ layers?
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.
Size of an Atom
Length of galvanized iron (cm) 2.7cm
Width of galvanized iron (cm) 1.4 cm
Mass of galvanized iron to start (g) 1.50 grams
Mass of iron with zinc removed (g) 1.40 grams
Mass of zinc removed (g) .10 grams
Using the above calculations answer the following questions:
- The density of zinc is 7.14 g/cm3 . Using the density formula, calculate the total volume of zinc removed from the galvanized iron______?
- The galvanized iron has two sides. Therefore half of the volume calculated above are coating each side of the galvanized iron. What is the volume of zinc on each side of the galvanized iron__________?
- The coating on each side of the piece of galvanized iron has the shape of a rectangular solid with a very small thickness or height. We can calculate this thickness using the volume of a rectangular solid formula because we know the length, width, and volume of the zinc coating. Calculate the thickness of the zinc coating.___________?
- Convert the thickness of the coating to a number in proper scientific notation._______________?
- The diameter of a single zinc atom has been determined to be 2.7 x 10-8 Calculate the number of layers of zinc atoms in the zinc coating. ________________________ layers?
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