Look up the density of the metal of the object used in parts A and B...
Look up the density of the metal of the object used in parts A and B (copper) of the procedure and compare it with the experimental value (8.71). Comment on the purity of the metal of the object.
Homework Answers
The actual density of copper is 8.96 g/sm3 and the one calculated experimentally is 8.71 g/cm3. There is not much difference between the two. So, it can be safely said that the copper used is pure.
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Look up the density of
the metal of the object used in parts A and B...
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Ana lab a student determines the density of a metal object by
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In the lab, a student determines the density of a metal object by measuring its mass...
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Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.35 g and has a volume of 0.581 cm3. Gold has a density of 19.3 g/cm3 and copper has a density of 8.96 g/cm3. Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains. gold: % : copper: % : Pure...
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2. A student needs to determine the density of two metal objects. The first object is...
2. A student needs to determine the density of two metal objects. The first object is a cube and the second object is a rectangular bar. The student uses calipers to measure the length of the objects. a. What is the density (in grams per milliliter) of the metal cube if it has a mass of 84.55 g and an edge length of 2.16 cm? mL b. What is the density (in grams per milliliter) of the rectangular bar if...
2. A student needs to determine the density of two metal objects. The first object is...
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2. A student needs to determine the density of two metal objects. The first object is...
2. A student needs to determine the density of two metal objects. The first object is a cube and the second object is a rectangular bar. The student uses calipers to measure the length of the objects. a. What is the density (in grams per milliliter) of the metal cube if it has a mass of 66.55 g and an edge length of 2.16 cm? | g mL b. What is the density (in grams per milliliter) of the rectangular...
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Ana lab a student determines the density of a metal object by
measuring its mass on a balance and its volume by displacement in a
graduated cylinder
In the lab, a student determines the density of a metal object by measuring its mass on a balance and its volume by displacement in a graduated cylinder. The data collected by the student is shown. mass of object: 46.675 g volume of water in cylinder before object submersed: 29.79 mL volume of...
2. A student needs to determine the density of two metal objects. The first object is a cube and the second object is a rectangular bar. The student uses calipers to measure the length of the objects. a. What is the density (in grams per milliliter) of the metal cube if it has a mass of 84.55 g and an edge length of 2.16 cm? g mL b. What is the density (in grams per milliliter) of the rectangular bar...
In the lab, a student determines the density of a metal object by measuring its mass on a balance and its volume by displacement in a graduated cylinder. The data collected by the student is shown. mass of object: 42.231 g volume of water in cylinder before object submersed: 28.01 mL volume of water + object in cylinder: 34.39 mL Calculate the density of the object. d = g/mL Based on the recorded volume data, and assuming that the student...
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.40 g and has a volume of 0.604 cm?. Gold has a density of 19.3 g/cm² and copper has a density of 8.96 g/cm². Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains. gold: copper: Pure gold is defined as...
2. A student needs to determine the density of two metal objects. The first object is a cube and the second object is a rectangular bar. The student uses calipers to measure the length of the objects. a. What is the density (in grams per milliliter) of the metal cube if it has a mass of 84.55 g and an edge length of 2.16 cm? mL b. What is the density (in grams per milliliter) of the rectangular bar if...
2. A student needs to determine the density of two metal objects. The first object is a cube and the second object is a rectangular bar. The student uses calipers to measure the length of the objects. a. What is the density (in grams per milliliter) of the metal cube if it has a mass of 70.55 g and an edge length of 2.16 cm? mL b. What is the density (in grams per milliliter) of the rectangular bar if...
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Consider the metal Niobium (Nb). a) Calculate the planar density of the (101) plane b) From atomic structure basics for Nb, cal culate the radius (in mm) of a Nb atom. 3.294 R 3 c) Calculate theoretical density of Nb at room temperature. )How does the theoretical density of Nb compare to the published (experimentally derived) value?
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