Using the procedure you developed in the pre-lab section, determine the thickness of your sample of aluminum foil in atoms. While you wait for your TA to help you get started with Task 1, you should begin thinking about Task 2. 2. I conclude that the thickness of a piece of aluminum foil in atoms is roughly 308,389 atoms. Determining the Thickness of Aluminum Foil Many products such as aluminum foil are too thin to measure easily. Students will understand how tiny atoms are by looking at how many atoms are stacked up to make that thickness of the foil. Divide aluminum thickness and Al atom thickness 1.57*10^-3 / 2.9*10^-10 = 54138 So the aluminum foil is 54138 Al atoms thick? Students measure the thickness of aluminum foil by using the density of the aluminum as well as the length and width of a sample. Follow edited Oct 21 '20 at 12:22. Use the formula mass of foil ÷ (length of foil x width of foil x density of aluminum) to find the thickness of aluminum foil. Height (thickness) of aluminum atom =1.43 angstroms. Data Table 2 Determination of Avogadro's Number Using Aluminum Foil Length of Aluminum Foil (cm) 30 Width of Aluminum Foil (cm) 23.5 Area of Aluminum Foil (cm2) #6 705 Mass of Aluminum Foil (9) 3.00 Density of Aluminum (g/cm3) 2.70 g/cm3 Atomic Mass of Aluminum (g/mol) 26.98 g/mol Atomic Radius of Aluminum atom (pm) 143 pm (143 x 10-12 m) Number of Layers of Aluminum Atoms #8 0.00 x … Place a large sheet of reynolds wrap ® aluminum foil onto a baking sheet. Aluminum Foil Thickness Lab.pdf from SC 101 at Miller Place High School. I conclude that the thickness of a piece of aluminum foil in centimeters is 0.0112cm. The cube root gives 3.92E7 atoms/cm on a side Multiply this by the thickness of the foil gives ~75,000 atoms thick Calculate the thickness in cm and angstroms (given density) Calculate the number of atoms Abstract: Aluminum foils having thicknesses of 10−20 μm are commonly employed as current collectors for cathode electrodes in Li-ion batteries. For a {eq}10cm \times 10cm{/eq} spuare of the foil, Engineers and machinists use very fine instruments called micrometers to measure thicknesses of very thin things to high degrees of accuracy and precision. Large numbers of aluminum atoms are found in any sample of aluminum metal. There may be different types of aluminum foil, but these results were fairly precise among our class's data, so I hope it is at least somewhat helpful. 1 Al atom = 286pm Convert pm to m 286pm = 2.86*10^-10m agreed Convert cm to m 0.00157 cm 0.00157 cm/10^2 cm m^-1 =0.0000157 m Divide aluminum thickness and Al atom thickness … A collection of only one type of atom is an element. Use the formula mass of foil ÷ (length of foil x width of foil x density of aluminum) to find the thickness of aluminum foil. Place pork over the onions and brush with 1/2 of the mustard mixture. 2. Solution for Determine the thickness of an aluminum foil in atoms with the following information: Weight: 0.633 g Volume: 0.301 cm^3 Length: 13.3 mm Width:… The small size What is the mass of 7000 atoms of gold? Or 1 cc contains 0.1 mols or 6.02E22 atoms. To do so directly is not possible with a regular ruler. Find the thickness of aluminum foil (in number of atoms) using the following information: Size of aluminum foil: 20cm*20cm Density of aluminum: 2.7 g/cm^3 Surface area of aluminum foil: 800.18 Mass of aluminum foil: 2.6g Thickness of aluminum foil (mm): 0.024mm Total number of atoms in aluminum foil: 6.025*10^22 Radius of aluminum atom: 143pm Please explain if there is a way to do this using the data given by the teacher. Alternatively, aluminum foil is made from an aluminum alloy (92 to 99% aluminum), and ranges between 0.00017 and 0.0059 inches in thickness. What is the thickness of the foil (in cm)? Use the density of aluminum (density worksheet or text or internet) and the mass of your piece of foil to find the volume. So if you have a piece of aluminum foil that is 15 cm long and 20 cm wide and weighs 1.8 g, the calculation is 1.8 ÷ (15 x 20 x 2.7). Each aluminum atom is about 1.48 angstroms, so we can divide. Background. Am I correct? You may need to double wrap depending on the thickness of the meat. In this experiment you will determine the thickness of aluminum foil. The density of aluminum is 2.7 g/cm 3. Aluminum Foil lab Name_____pd_____ Purpose: Calculate the thickness of a piece of aluminum foil, then calculate the number of atoms present in the foil Procedure, Measurements, and Calculations: 1. In fact, it is so thinly rolled that the final pinch is by sending two thicknesses through the rolls, on on top of the other. Procedure: Measure and cut out a rectangular piece of Al foil. An atom of gold has a mass of approximately 3.25 × 10−22 grams. In order to produce foil’s thin shape, the aluminum is rolled several times through metal rolls (work rolls) after it’s smelted and casted. ads/bitcoin2.txt. 8. It is just thinly rolled aluminium. The mass of the foil is .83kg. The thickness of aluminum foil is about 0.002 cm. Aluminium foil (or aluminum foil in North America; often informally called tin foil) is aluminium prepared in thin metal leaves with a thickness less than 0.2 mm (7.9 mils); thinner gauges down to 6 micrometres (0.24 mils) are also commonly used. If the mass of a sample of aluminum foil is known, then it is possible to calculate the volume of the foil. Consider a scenario in which aluminum atoms are stacked on top of each other and one Atom aluminum atom has a diameter of 2.86 x 10-8 cm. If not please correct me! How many atoms thick is a sheet of aluminum foil? Aluminum is an element. Assuming that each aluminum atom is stacked directly on another one (which they aren't, but we can't measure without making this assumption), we come up with 1.93 * 10^5 atoms thick. One use of aluminum is to make foil, which is used to wrap food for storage. Because each aluminum atom is extremely small, a sample of aluminum foil is many atoms thick. Aluminum foil is {eq}0.003 cm{/eq} thick. However, it is important for manufacturers to know how thick these products are. View 27. For the common thickness is How many atoms thick is this? Aluminum is an element we use in the form of aluminum foil in everyday life. Lab - Atoms in Aluminum Foil How thick is aluminum foil in centimeters? 1. They wouldn’t be cost-effective if they were too thick and wouldn’t be as useful if they were too thin. Which side of aluminum foil is toxic? Here, Mingtai is one of aluminium sheet suppliers durban supplying complete grade alloy such as 1050, 8011, 3105, 6061 sheets, as well as customizable sizes and best factory direct price for you ! Density is mass divided by volume and the density of pure aluminum is well known to be 2.70 g/cm3. Using the thickness you calculated, how many atoms thick is your piece of aluminum foil if one aluminum atom has a diameter of 2.5x10-8 cm. Share. Help your students learn to use significant digits in the laboratory with this in-class activity. Using the mass of the aluminum foil, compute the number of moles of aluminum. So if you have a piece of aluminum foil that is 15 cm long and 20 cm wide and weighs 1.8 g, the calculation is 1.8 ÷ (15 x 20 x 2.7). Aluminum foil is very flexible, has the ability to bent easily or enclosed around various things. Reynolds Wrap® Aluminum Foil has been saving time in the kitchen since 1947. In the U.S thickness of aluminum, foils are usually in thousandths of an inch. Measure and record the width and length of the foil (remember to be precise and accurate) Find the mass of the piece of foil. Question: Has A Density Of 2.70 G/em'. Some of these instruments are capable of measuring thickness to a tolerance of ± 0.001 mm or finer. Turn meat over and bake another 15 minutes. Chat Now Send Inquiry; How tho find thickness of aluminium foil when... A sheet of aluminum foil that is 11 in wide and 12 in long weighs 8.90 grams. 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