A wire is made of pure copper. It has a diameter of 1.00 mm and a mass of 0.238 kg. Copper has a density of 8.96 g/cm'.

a. Find the length of the wire in cm. (Hint: you can think of the wire as being a cylinder whose
length is the height of the cylinder).

b. Find the moles of copper in wire.

c. Suppose another wire was formed which contained exactly the same number of atoms as this one but was made of silver. What is the mass of the wire?

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

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