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musickatia [10]
3 years ago
15

A straight piece of wire is coiled to form a spring physical or chemical

Chemistry
1 answer:
STALIN [3.7K]3 years ago
7 0
Physical. you didn't burn it or create a chemical reaction
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How much silver is produced is 15.00 grams of cu is added to the solution of excess silver nitrate?
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Then convert copper from grams to moles
15 g*1 mol cu/63.54 g= 15/63.54 mol cu
Then use the mole ratio to convert Moles Cu to Moles Ag
15/63.54 moles Cu* 2 moles Ag/3 moles Cu
The final awnser is (15*2)/(63.54*3) moles Ag =0.157 moles Ag. If the question wants the answer in grams, convert from moles Ag to grams Ag.
0.157 moles Ag*107.87 g Ag/ mol Ag=16.98 g Ag
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