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10% tin can be added to copper in the molten state and cooled to give a substitutional solid solution known as bronze. This means that the crystal structure of the solid solution: a) consists of unit cells of FCC copper interspersed with unit cells of FCC tin b) is basically that of FCC copper with some of the copper atoms replaced by tin atoms. c)is that of tin with copper atoms squeezed in the gaps d) is that of copper with the tin atoms squeezed into the spaces between the copper atoms e) None of the above
However, when 5 drops of 0.10 M HCL(aq) is added to 20 drops of a buffer solution that is 0.10 M CH3COOh(aq) and 0.10 M CH3Co2- only a very small change in pH occurs. Explain?
Suppose it is found that the actual molecular mass of your unknown solid is exactly two times larger than that which you determined experimentally. What could you conclude about the nature of your unknown solid and the assumptions you made in your..
a boy use a metalnbsp that was heat up in hot h2o and then put into a styrofoam cup of h2o at room temperature.
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A 28.7 g sample of ethylene glycol, a car radiator coolant, loses 676 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)? =°C
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