Using the data in the table below, answer the questions listed below the table.
ID: 887922 • Letter: U
Question
Using the data in the table below, answer the questions listed below the table.
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Sterling silver is an alloy of 92.5% silver (Ag) and usually copper (Cu). Based on the table above, would you expect complete or partial solid solution for this mix of metals? Why? Copper is an alloying additive to aluminum. Based on the information above, would you expect complete or partial solid solution of copper in aluminum? Explain. c. Would you expect silver and gold to have complete solid solution or limited solid solution? Why? Would you expect platinum and aluminum to have complete solid solution or limited solid solution? Why? e. Would you expect chromium and cobalt to have complete solid solution or limited solid solution? Why?Explanation / Answer
for complete solid solution , following condition should be satisfied. Similar atomic radii (15% or less difference) Same crystal structure Similar electronegativities Similar valency so For Ag and Cu, as valency are different , they will make partial solution, b) partial solution , due to difference in valency c) complete solution , as they satisfy all the conditions. d) incomplete , difference in valency e) partial , different lattice structure, valency
a. The mixture will be partial solid.Fine silver, for example 99.9% pure silver, is generally too soft for producing functional objects; therefore, the silver is usually alloyed with copper to give it strength while preserving the ductility and appearance of the precious metal. Other metals can replace the copper, usually with the intention of improving various properti.es of the basic sterling alloy such as reducing casting porosity, eliminating firescale, and increasing resistance to tarnish
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